publications

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Books

Solid State Physics: An Introduction, Wiley-VCH (2008), second edition planned for 2015.


Einführung in die Festkörperphysik, Wiley-VCH (2013).


Surface Physics: An Introduction, self-published (2013).


Book Chapters


Electron-Phonon Coupling in Dynamics at Solid State Surfaces and Interfaces,  eds. U. Bovensiepen, H. Petek, M. Wolf (co-authored with E. V. Chulkov and I. Slyadneva), Wiley-VCH (2010).


Synchrotron-Radiation Studies of Topological Insulators, submitted to Springer Proceedings in Physics (VIth Mittelwihr school on Magnetism and Synchrotron Radiation), arxiv:1210.2674.


Surface Electronic Structure of Topological Insulators in Topological Insulators- Fundamentals and Perspectives, eds. F. Ortmann, S. Roche and S. Valenzuela, Wiley-VCH (in preparation).


Non peer-reviewed publications

Looking at electronic wave functions on metal surfaces, B.G. Briner, Ph. Hofmann, M. Doering, H.-P. Rust, A.M. Bradshaw, L. Petersen, P.T. Sprunger, E. Lægsgaard, F. Besenbacher and E.W. Plummer, Europhysics News, September/December, 149 (1997). 


Bilayer graphene: a little twist with big consequences, Philip Hofmann, Nature Materials 12, 874 (2013).


At lede eller ikke at lede, Nikokaj Zinner and Philip Hofmann, Aktuel Naturvidenskab 5, 26 (2013).


Dansk forskning bliver isoleret, Philip Hofmann, Berlingske, (11.11.2015).


Peer-reviewed journals (see also Google Scholar or  Researcher ID)


2017


179. Unraveling the Spin Structure of Unoccupied States in Bi2Se3, Christian Datzer,  Anna Zumbülte, Jürgen Braun, Tobias Förster, Anke B. Schmidt, Jianli Mi, Bo Iversen, Philip Hofmann, Jan Minár, Hubert Ebert, Peter Krüger, Michael Rohlfing, and Markus Donath,

Phys. Rev. B 95, 115401 (2017).


178. Strong electron-phonon coupling in the sigma band of graphene, Federico Mazzola, Thomas Frederiksen, Thiagarajan Balasubramanian, Philip Hofmann, Bo Hellsing and Justin W. Wells, arxiv1607.00939

Phys. Rev. B 95, 075430 (2017).


177. Evidence for a two-fold symmetric superconducting gap in a monolayer of FeSe0.5Te0.5 on a topological insulator, Anand Kamlapure, Sujit Manna, Lasse Cornils, Torben Hänke, Martin Bremholm, Philip Hofmann, Jens Wiebe, Roland Wiesendanger, arxiv1608.03827

Phys. Rev. B 95, 104509 (2017).


176. Spin and Valley Control of Free Carriers in Single-Layer WS2, Søren Ulstrup, Antonija Grubišić Čabo, Deepnarayan Biswas, Jonathon M. Riley, Maciej Dendzik, Charlotte E. Sanders, Marco Bianchi, Cephise Cacho, Dan Matselyukh, Richard T. Chapman, Emma Springate, Phil D. C. King, Jill A. Miwa, Philip Hofmann, arxiv1608.060230

Phys. Rev. B 95, 041405(R) 2017).


175. Reorientation of the bicollinear antiferromagnetic structure at the surface of Fe1+yTe bulk and thin films

Torben Hänke, Udai Raj Singh, Lasse Cornils, Sujit Manna, Anand Kamlapure, Martin Bremholm, Ellen Marie Jensen Hedegaard, Bo Brummerstedt Iversen, Philip Hofmann, Jin Hu, Jens Wiebe, Zhiqiang Mao, Roland Wiesendanger, arxiv1609.09192

Nature Communications 8, 13939 (2017).


174. Interfacial superconductivity in a bi-collinear antiferromagnetically ordered FeTe monolayer on a topological insulator, S. Manna, A. Kamlapure, L. Cornils, T. Hänke, E. M. J. Hedegaard, M. Bremholm, B. B. Iversen, Ph. Hofmann, J. Wiebe, and R. Wiesendanger, arxiv1606.03249

Nature Communications 8, 14074 (2017)


2016


173. Symmetry Driven Band Gap Engineering in Hydrogen Functionalized Graphene, Jakob Jørgensen, Antonija Čabo, Richard Balog, Line Kyhl, Michael Groves, Andrew Cassidy, Albert Bruix, Marco Bianchi, Maciej Dendzik, Mohammad Arman, Lutz Lammich, Jose Pascual, Jan Knudsen, Bjørk Hammer, Philip Hofmann and Liv Hornekaer,

ACS Nano 10, 10798 (2016).


172. Electroinduced Intercalation of Tetraalkylammonium Ions at the Interface of Graphene Grown on Copper, Platinum, and Iridium, Zakaria Salmi, Line Koefoed, Bjarke B. E. Jensen, Antonija Grubisic Cabo, Philip Hofmann, Steen U. Pedersen, and Kim Daasbjerg,

ChemElectroChem 3, 1 (2016).


171. Reconstruction-induced trefoil knot Fermi contour of Au(111), Maciej Dendzik, Marco Bianchi, Matteo Michiardi, Charlotte E. Sanders and Philip Hofmann, arxiv1610.01736

Phys. Rev. B 94, 201401(R) (2016).


170. Crystalline and electronic structure of single-layer TaS2 Charlotte E. Sanders, Maciej Dendzik, Arlette S. Ngankeu, Andreas Eich, Albert Bruix, Marco Bianchi, Jill A. Miwa, Bjørk Hammer, Alexander A. Khajetoorians, Philip Hofmann, arxiv1606.05856

Phys. Rev. B 94, 081404(R) (2016).


169. Absence of superconductivity in ultra-thin layers of FeSe synthesized on a topological insulator, Andreas Eich, Nils Rollfing, Fabian Arnold, Charlotte Sanders, Pascal R. Ewen, Marco Bianchi, Maciej Dendzik, Matteo Michiardi, Jian-Li Mi, Martin Bremholm, Daniel Wegner, Philip Hofmann, Alexander A. Khajetoorians, arxiv1606.05738

Phys. Rev. B 94, 125437 (2016).


168. Ultrafast Band Structure Control of a Two-Dimensional Heterostructure, Søren Ulstrup, Antonija Grubišić Čabo, Jill A. Miwa, Jonathon M. Riley, Signe S. Grønborg, Jens C. Johannsen, Cephise Cacho, Oliver Alexander, Richard T. Chapman, Emma Springate, Marco Bianchi, Maciej Dendzik, Jeppe V. Lauritsen, Phil D. C. King, and Philip Hofmann, arxiv1606.03555

ACS Nano 10, 6315 (2016). 


167.  Manifestation of nonlocal electron-electron interaction in graphene, Søren Ulstrup, Malte Schüler, Marco Bianchi, Felix Fromm, Christian Raidel, Thomas Seyller, Tim Wehling and Philip Hofmann, arxiv1604.00496

Phys. Rev. B 94, 081403(R) (2016).


166. Nickel: The time-reversal symmetry conserving partner of iron on a chalcogenide topological insulator, M. Vondráček, L. Cornils, J. Minár, J. Warmuth, M. Michiardi, C. Piamonteze, L. Barreto, J. A. Miwa, M. Bianchi, Ph. Hofmann, L. Zhou, A. Kamlapure, A. A. Khajetoorians, R. Wiesendanger, J.-L. Mi, B.-B. Iversen, S. Mankovsky, St. Borek, H. Ebert, M. Schüler, T. Wehling, J. Wiebe, and J. Honolka, arxiv1603.09689

Phys. Rev. B 94, 161114 (2016).


165. Band gap engineering by Bi intercalation of graphene on Ir(111), Jonas Warmuth, Albert Bruix, Matteo Michiardi, Torben Hänke, Marco Bianchi, Jens Wiebe, Roland Wiesendanger, Bjørk Hammer, Philip Hofmann, Alexander A. Khajetoorians, arxiv1603.08724

Physical Review B, 93, 165437 (2016).


164. Topological insulator homojunctions including magnetic layers: the example of n-p type (n-QLs Bi2Se3/Mn-Bi2Se3) heterostructures, M. Valiska, J. Warmuth, M. Michiardi, M. Vondracek, A. S. Ngankeu, V. Holy, V. Sechovsky, G. Springholz, M. Bianchi, J. Wiebe, P. Hofmann, and J. Honolka, arxiv1602.03450,

Applied Physics Lett.,108, 262402 (2016).


163. Single-layer MoS2 on Au(111): band gap renormalization and substrate interaction, Albert Bruix, Jill A. Miwa, Nadine Hauptmann, Daniel Wegner, Søren Ulstrup, Signe S. Grønborg, Charlotte E. Sanders, Maciej Dendzik, Antonija Grubivic Cabo, Marco Bianchi, Jeppe V. Lauritsen, Alexander A. Khajetoorians, Bjørk Hammer and Philip Hofmann, arxiv1601.00095.

Physical Review B  93, 165422 (2016).


162. Sputtering induced re-emergence of the topological surface state in Bi2Se3, Raquel Queiroz, Gabriel Landolt, Stefan Muff, Bartosz Slomski, Thorsten Schmitt, Vladimir N. Strocov, Jianli Mi, Bo Brummerstedt Iversen, Philip Hofmann, Jürg Osterwalder, Andreas P. Schnyder, J. Hugo Dil, arxiv1512.06068

Physical Review B 93,165409 (2016).


2015


161. Growth and electronic structure of epitaxial single-layer WS2 on Au(111), Maciej Dendzik, Matteo Michiardi, Charlotte Sanders, Marco Bianchi, Jill A. Miwa, Signe Grønborg, Jeppe Vang Lauritsen and Philip Hofmann, arxiv1509.05133

Physical Review B 92, 245442, 1-7 (2015).


160. Observation of Ultrafast Free Carrier Dynamics in Single Layer MoS2, Antonija Grubisic Cabo, Jill Miwa, Signe Grønborg, Jonathon Riley, Jens Johannsen,  Cephise Cacho, Oliver Alexander, Richard Chapmann, Emma Springate, Marco Grioni, Jeppe Lauritsen, Philip King, Philip Hofmann, and Søren Ulstrup, arxiv1508.07301,

Nano Letters 15, 5883-5887 (2015).


159. Synthesis of Epitaxial Single-Layer MoS2 on Au(111), Signe Grønborg, Søren Ulstrup, Marco Bianchi, Maciej Dendzik, Charlotte Sanders, Jeppe Lauritsen, Philip Hofmann, and Jill Miwa, arxiv1509.06864

Langmuir 35 9700-9706 (2015).


158. Van der Waals Epitaxy of Two-Dimensional MoS2-Graphene Heterostructures in Ultra-High Vacuum, Jill A. Miwa, Maciej Dendzik, Signe S. Grørnborg, Marco Bianchi, Jeppe V. Lauritsen, Philip Hofmann and Søren Ulstrup,

ACS Nano 9, 6502-6510 (2015).


157. One-dimensional spin texture of Bi(441): Quantum spin Hall properties without a topological insulator, M. Bianchi, F. Song, S. Cooil, Å. F. Monsen, E. Wahlström, J. A. Miwa, E. D. L. Rienks, D. A. Evans, A. Strozecka, J. I. Pascual, M. Leandersson, T. Balasubramanian, Ph. Hofmann, and J. W. Wells, arxiv1506.08017

Physical Review B 91, 165307, 1-5 (2015).


156. Ramifications of Optical Pumping on the Interpretation of Time-Resolved Photoemission Experiments on Graphene, Søren Ulstrup, Jens Christian Johannsen, Federico Cilento, Alberto Crepaldi, Jill A. Miwa, Michele Zacchigna, Cephise Cacho, Richard T. Chapman, Emma Springate, Felix Fromm, Christian Raidel, Thomas Seyller, Phil D. C. King, Fulvio Parmigiani, Marco Grioni and Philip Hofmann, arxiv1502.01933

Journal of Electron Spectroscopy and Related Phenomena 200, 340-346 (2015).


155. Facile Electrochemical Transfer of Large-Area Single Crystal Epitaxial Graphene from Ir(111), Line Koefoed, Mikkel Kongsfelt, Søren Ulstrup, Antonija Grubišić Čabo, Andrew Cassidy, Patrick R. Whelan, Marco Bianchi, Maciej Dendzik, Filippo Pizzocchero, Bjarke Jørgensen, Peter Bøggild, Liv Hornekær, Philip Hofmann, Steen U. Pedersen and Kim Daasbjerg,

J. Phys. D: Appl. Phys 48, 115306, 1-9 (2015).


154. Strongly anisotropic spin-orbit splitting in a two-dimensional electron gas, Matteo Michiardi, Marco Bianchi, Maciej Dendzik, Jill Miwa, Moritz Hoesch, Timur K. Kim, Peter Matzen, Jianli Mi, Martin Bremholm, Bo Brummerstedt Iversen and Philip Hofmann, arxiv1411.7308,

Physical Review B 91, 035445, 1-6 (2015).


153. Tunable Hot Carrier Multiplication and Cooling in Graphene, Jens Christian Johannsen, Søren Ulstrup, Alberto Crepaldi, Federico Cilento, Michele Zacchigna, Jill Miwa, Cephise Cacho, Richard Chapman, Emma Springate, Felix Fromm, Christian Raidel, Thomas Seyller, Philip King, Fulvio Parmigiani, Marco Grioni and Philip Hofmann, arxiv1601.00702

Nano Letters 15, 326-332 (2015).


152. Ultrafast Electron Dynamics in Epitaxial Graphene Investigated with Time- and Angle-Resolved Photoemission Spectroscopy, Søren Ulstrup, Jens Christian Johannsen, Alberto Crepaldi, Federico Cilento, Michele Zacchigna, Cephise Cacho, Richard Chapman, Emma Springate, Felix Fromm, Christian Raidel, Thomas Seyller, Fulvio Parmigiani, Marco Grioni and Philip Hofmann, arxiv1601.00745

Journal of Physics: Condensed Matter, 27, 164206, 1-8 (2015).


151. Electronic Structure of Epitaxial Single-Layer MoS2, Jill A. Miwa, Søren Ulstrup, Signe G. Sørensen, Maciej Dendzik, Antonija Grubišić Čabo, Marco Bianchi, Jeppe Vang Lauritsen, Philip Hofmann, arxiv1410.0615,

Physical Review Letters 114, 046802, 1-5 (2015).


2014


150. Intra- and Interband Electron Scattering in the Complex Hybrid Topological Insulator Bismuth Bilayer on  Bi2Se3, A. Eich, M. Michiardi, G. Bihlmayer, X.-G. Zhu, J.-L. Mi, Bo B. Iversen, R. Wiesendanger, Ph. Hofmann, A. A. Khajetoorians and J. Wiebe, arxiv1409.7014

Physical Review B 90, 155414, 1-10 (2014).


149. Direct observation of spin-polarised bulk bands in an inversion-symmetric semiconductor, Jonathon Riley, Federico Mazzola, Maciej Dendzik, Matteo Michiardi, Tomohiro Takayama, Lewis Bawden, Cecilie Granerød, Mats Leandersson, Thiagarajan Balasubramanian, Moritz Hoesch, Timur Kim, Hide Takagi, Worawat Meevasana, Philip Hofmann, Mohammad Bahramy, Justin Wells, and Phil King, arxiv1408.6778

Nature Physics 10, 835-839 (2014), see also News and Views by John Schaibley and Xiaodong Xu


148. Bottom-up approach for the low-cost synthesis of graphene-alumina nanosheet interfaces using bimetallic alloys, Luca Omiciuolo, Eduardo R. Hernandez, Elisa Miniussi, Fabrizio Orlando, Paolo Lacovig, Silvano Lizzit, Tevfik Onur Mentes, Andrea Locatelli, Rosanna Larciprete, Marco Bianchi, Søren Ulstrup, Philip Hofmann, Dario Alfe and Alessandro Baraldi

Nature Communications 5, 5062, 1-8 (2014).


147. Sequential Oxygen and Alkali Intercalation of Epitaxial Graphene on Ir(111): Enhanced Many-Body Effects and Formation of pn-interfaces, Søren Ulstrup, Mie Andersen, Marco Bianchi, Lucas Barreto, Bjørk Hammer, Liv Hornekær, and Philip Hofmann, arxiv1404.6132

2D Materials 1, 025002, 1-16 (2014).


146. Bulk Band Structure of Bi2Te3, Matteo Michiardi, Irene Aguilera, Marco Bianchi, Vagner Eustáquio de Carvalho, Luiz Orlando Ladeira, Nayara Gomes Teixeira, Edmar Avellar Soares, Chiristoph Friedrich, Stefan Blügel and Philip Hofmann, arxiv1403.3050

Physical Review B 90, 075105, 1-8 (2014).


145. Ultrafast Dynamics of Massive Dirac Fermions in Bilayer Graphene, Søren Ulstrup, Jens Christian Johannsen, Federico Cilento, Jill A. Miwa, Alberto Crepaldi, Michele Zacchigna, Cephise Cacho, Richard Chapman, Emma Springate, Samir Mammadov, Felix Fromm, Christian Raidel, Thomas Seyller, Fulvio Parmigiani, Marco Grioni, Phil D. C. King and Philip Hofmann, arxiv1403.0122

Physical Review Letters 112, 257401, 1-5 (2014), see also Viewpoint in Physics 7, 68 (2014) by Luca Perfetti.


144. Topological Surface States on Bi1-xSbx: Dependence of surface orientation, surface termination and stability, Xie-Gang Zhu and Philip Hofmann, arxiv1402.5751

Physical Review B 89, 125402, 1-6 (2014). 


143. Screening and atomic-scale engineering of the potential at a topological insulator surface, P. Löptien, L. Zhou, J. Wiebe, A. A. Khajetoorians, J. L. Mi, B. B. Iversen, Ph. Hofmann and R. Wiesendanger, arxiv1312.3813

Physical Review B 89, 085401, 1-7 (2014).


142. Extracting the Temperature of Hot Carriers in Time- and Angle-Resolved Photoemission, Søren Ulstrup, Jens Christian Johannsen, Marco Grioni and Philip Hofmann, arxiv1402.6503

Review of Scientific Instruments 85, 013907, 1-4 (2014).


141. Surface-dominated transport on a Bulk Topological Insulator, Lucas Barreto, Lisa Kühnemund, Frederik Edler, Christoph Tegenkamp, Jianli Mi, Martin Bremholm, Bo Brummerstedt Iversen, Christian Frydendahl, Marco Bianchi and Philip Hofmann, arxiv1310.0202

Nano Letters 14, 3755-3760 (2014).


2013


140. Electronic Structure of Graphene on a Reconstructed Pt(100) Surface: Hydrogen Adsorption, Doping and Band Gaps, Søren Ulstrup, Louis Nilsson, Jill Miwa, Richard Balog, Marco Bianchi, Liv Hornekær and Philip Hofmann

Phys. Rev. B 88, 125425, 1-8 (2013).


139. Surface structure of Bi2Se3(111) determined by low-energy electron diffraction and surface X-ray diffraction, Diogo Duarte dos Reis, Lucas Barreto, Marco Bianchi, Guilherme Almeida, Silva Ribeiro, Edmar Avellar Soares, Wendell Simoes e Silva, Vagner Eustaquio de Carvalho, Jonathan Rawle, Moritz Hoesch, Chris Nicklin, Willians Principe Fernandes, Jianli Mi, Bo Brummerstedt Iversen and Philip Hofmann, arxiv1306.3310

Phys. Rev. B 88, 041404 (R), 1-4 (2013).


138. Electron-phonon coupling-induced kinks in the sigma band of graphene, Federico Mazzola, Justin W. Wells, Rositza Yakimova, Soren Ulstrup, Jill A. Miwa, Richard Balog, Marco Bianchi, Mats Leandersson, Philip Hofmann, T. Balasubramanian, arxiv1305.6210

Physical Review Letters, 111, 216806, 1-5 (2013).


137. Direct view on the hot carrier dynamics in graphene, Jens Christian Johannsen, Søren Ulstrup, Federico Cilento, Alberto Crepaldi, Michele Zacchigna, Cephise Cacho, I. C. Edmond Turcu, Emma Springate, Felix Fromm, Christian Raidel, Thomas Seyller, Fulvio Parmigiani, Marco Grioni and Philip Hofmann, arxiv1304.2615

Physical Review Letters 111, 027403, 1-5 (2013).


136. Controlling hydrogenation of graphene on Ir(111), Richard Balog, Mie Andersen, Bjarke Jørgensen, Zeljko Sljivancanin, Bjørk Hammer, Alessandro Baraldi, Rosanna Larciprete, Philip Hofmann, Liv Hornekaer, Silvano Lizzit

ACS Nano 7, 3823-3832 (2013).


135. Excitation of coherent phonons on the one-dimensional Bi(114) surface, D. Leuenberger, H. Yanagisawa, S. Roth, J. H. Dil, J. W. Wells, Ph. Hofmann, J. Osterwalder, M. Hengsberger

Physical Review Letters, 110, 136806, 1-5 (2013).


134. Three Dirac points on the (110) surface of the topological insulator Bi1-xSbx, Xie-Gang Zhu, Malthe Stensgaard, Lucas Barreto, Wendell Simoes e Silva, Søren Ulstrup, Xie-Gang Zhu, Marco Bianchi, Maciej Dendzik and Philip Hofmann, arxiv.org/abs/1302.0396

New Journal of Physics 15, 103011, 1-13 (2013).


133. Surface-Sensitive Conductivity Measurement using a Micro Multi-point Probe Approach, Edward Perkins, Lucas Barreto, Justin Wells and Philip Hofmann

Review of Scientific Instruments 84, 033901, 1-8 (2013).


132. Controllable magnetic doping of the surface state of a topological insulator, T. Schlenk, M. Bianchi, M. Koleini, A. Eich, O. Pietzsch, T. O. Wehling, T. Frauenheim, A. Balatsky, J.-L. Mi, B. B. Iversen, J. Wiebe, A. A. Khajetoorians, Ph. Hofmann, R. Wiesendanger, arxiv:1211.2142

Physical Review Letters 110, 126804, 1-5 (2013).


131. Phase Separation and Bulk p-n Transition in Single Crystals of Bi2Te2Se Topological Insulator, Jian-Li Mi, Martin Bremholm, Marco Bianchi, Kasper Borup, Simon Johnsen, Martin Søndergaard, Dandan Guan, Richard C. Hatch, Philip Hofmann and Bo B. Iversen

Advanced Materials,25, 889-893 (2013).


130. Detecting the local transport properties and the dimensionality of transport of epitaxial graphene by a multi-point probe approach,  Lucas Barreto, Edward Perkins, Jens Johannsen, Søren Ulstrup, Felix Fromm, Christian Raidel, Thomas Seyller and Philip Hofmann, arxiv:1211.0446

Applied Physics Letters,102, 033110, 1-3 (2013).


129. Evidence for a direct band gap in the topological insulator Bi2Se3 from theory and experiment, I. A. Nechaev, R. C. Hatch, M. Bianchi, D. Guan, C. Friedrich, J. L. Mi, B. B. Iversen, S. Blügel, Ph. Hofmann and E. V. Chulkov , arxiv:1210.4477

Physical Review B 87, 121111(R), 1-5 (2013).


128. Direct Measurement of the Band Structure of a Buried Two-Dimensional Electron Gas, Jill A. Miwa, Philip Hofmann, Michelle Y. Simmons and Justin W. Wells, arxiv:1210.7113

Physical Review Letters 110, 136801, 1-5 (2013), see also feature in Nature Nanotechnology 8, 310 (2013).


127. Electron-phonon coupling in the two-dimensional electron gas on Bi2Se3, Lucas Barreto, Marco Bianchi, Dandan Guan, Richard Hatch, Jianli Mi, Bo Brummerstedt Iversen and Philip Hofmann

Physica Status Solidi 7, 136-138 (2013).


126. Electron-phonon coupling in quasi free-standing graphene, Jens Christian Johannsen, Søren Ulstrup, Marco Bianchi, Richard Hatch, Dandan Guan, Federico Mazzola, Liv Hornekær, Felix Fromm, Christian Raidel, Thomas Seyller and Philip Hofmann

J. Phys. Condens. Matter 25, 094001, 1-6 (2013).


2012


125. Oxygen Switching of the Epitaxial Graphene-Metal Interaction, Rosanna Larciprete, Søren Ulstrup, Paolo Lacovig, Matteo Dalmiglio, Marco Bianchi, Federico Mazzola, Liv Hornekær, Fabrizio Orlando, Alessandro Baraldi, Philip Hofmann and Silvano Lizzit

ACS Nano 6, 9551-9558 (2012), see also feature in Nature Materials 12, 3 (2013).


124. Graphene Coatings – Probing the Limits of the One Atom Thick Protection Layer, Louis Nilsson, Mie Andersen, Richard Balog,  Erki Lægsgaard, Philip Hofmann, Flemming Besenbacher, Bjork Hammer, Ivan Stensgaard and Liv Hornekaer

ACS Nano 6, 10258-10266 (2012).


123. Unconventional spin texture of a topologically nontrivial semimetal Sb(110), A. Strozecka, A. Eiguren, M. Bianchi, D. Guan, C. H. Voetmann, S. Bao, Ph. Hofmann and J. I. Pascual, arxiv:1209.5682

New Journal of Physics 14, 103026, 1-9 (2012).


122. Transfer-free electrical insulation of epitaxial graphene from its metal substrate, Silvano Lizzit, Rosanna Larciprete, Paolo Lacovig, Matteo Dalmiglio, Fabrizio Orlando, Alessandro Baraldi, Lauge Gammelgaard, Lucas Barreto, Marco Bianchi, Edward Perkins and Philip Hofmann, arxiv:1208.2144

Nano Letters 12, 4503-4507 (2012), featured as Research Highlight in Nature Nanotechnology 7, 613 (2012).


121. Robust Surface Doping of Bi2Se3 by Rb Intercalation, Marco Bianchi, Richard Hatch, Richard, Zeshen Li, Philip Hofmann, Fei Song, Jian-Li Mi, Bo Iversen, Zakaria Abd El-Fattah, Peter Löptien, Lihui Zhou, Alexander Khajetoorians, Jens Wiebe, Roland Wiesendanger and Justin Wells, arxiv:208.0464

ACS Nano 6, 7009-7015 (2012).


120. Emergent quantum confinement at topological insulator surfaces, M. S. Bahramy, P. D. C. King, A. de la Torre, J. Chang, M. Shi, L. Patthey, G. Balakrishnan, Ph. Hofmann, R. Arita, N. Nagaosa, F. Baumberger, arXiv:1206.0564

Nature Communications, 3, 1159, 1-7 (2012).


119. The electronic structure of clean and adsorbate-covered Bi2Se3: an angle-resolved photoemission study, Marco Bianchi, Richard C. Hatch, Dandan Guan, Tilo Planke, Jianli Mi, Bo Brummerstedt Iversen and Philip Hofmann, arXiv:1206.1563

Semiconductor Science and Technology 27, 124001, 1-14 (2012).


118. High-temperature behaviour of supported graphene: electron-phonon coupling and substrate-induced doping, Søren Ulstrup, Marco Bianchi, Richard Hatch, Dandan Guan, Alessandro Baraldi, Dario Alfè, Liv Hornekær and Philip Hofmann, arXiv:1203.2187

Phys. Rev. B 86, 161402(R), 1-5  (2012).


117. Surface states on a topologically non-trivial semimetal: The case of Sb(110), Marco Bianchi, Dandan Guan, Anna Strozecka, Celia H. Voetmann, Shining Bao, Jose Ignacio Pascual, Asier Eiguren, Philip Hofmann, (arXiv:1202:5303)

Physical Review B 85, 155431, 1-6 (2012).


116. In-plane magnetic anisotropy of Fe atoms on Bi2Se3(111), J. Honolka, A. A. Khajetoorians, V. Sessi, T. O. Wehling, S. Stepanow, J.-L. Mi, B. B. Iversen, T. Schlenk, J. Wiebe, N. Brookes, A. I. Lichtenstein, Ph. Hofmann, K. Kern,1 and R. Wiesendanger  (arXiv:1112.4621)

Physical Review Letters 108, 256811, 1-5 (2012).


2011


115. Simultaneous quantization of bulk conduction and valence states through adsorption of nonmagnetic impurities on Bi2Se3, Marco Bianchi, Richard C. Hatch, Jianli Mi, Bo Brummerstedt Iversen and Philip Hofmann, (arXiv:1105.3826v1)

Physical Review Letters, 107, 086802, 1-4 (2011).


114. Large tuneable Rashba spin splitting of a two-dimensional electron in Bi2Se3, P. D. C. King, R. C. Hatch, M. Bianchi, R. Ovsyannikov, C. Lupulescu, G. Landolt, B. Slomski, J. H. Dil, D. Guan, J. L. Mi, E. D. L. Rienks, J. Fink, A. Lindblad, S. Svensson, S. Bao, G. Balakrishnan, B. B. Iversen, J. Osterwalder, W. Eberhardt, F. Baumberger and Ph. Hofmann, (arXiv:1103.3220v1)

Physical Review Letters, 107, 096802, 1-5 (2011), also featured as Editor’s Choice in Science 333, 1680 (2011).


113. Stability of the Bi2Se3(111) topological state: electron-phonon and -defect scattering, Richard C. Hatch, Marco Bianchi, Dandan Guan, Shining Bao, Jianli Mi, Bo Brummerstedt Iversen, Louis Nilsson, Liv Hornekær and Philip Hofmann, (arXiv:1104.4930v1)

Physical Review B 83, 241303(R), 1-4 (2011),


112. Strongly enhanced electron-phonon coupling in the Rashba-split state of the Bi/Ag(111) surface alloy, Dandan Guan, Marco Bianchi, Shining Bao, Edward Perkins, Fabian Meier, J. H. Dil, Jürg Osterwalder and Philip Hofmann,

Physical Review B 83, 155451, 1-6 (2011).


111. Thermal expansion of supported and free-standing graphene: lattice constant versus interatomic distances, D. Alfè, Monica Pozzo, Paolo Lacovic, Philip Hofmann, Silvano Lizzit and Alessandro Baraldi, Physical Review Letters 106, 135501, 1-4 (2011).


110. Suppression of the Ag/Si surface conductivity transition by organic adsorbates, F. Song, L.Gammelgaard, Ph. Hofmann and J. Wells,

Applied Physics Letters 98, 052106, 1-3 (2011).


2010


109. Coexistence of the topological state and a two-dimensional electron gas on the surface of f Bi2Se3, Marco Bianchi, Dandan Guan, Shining Bao, Jianli Mi, Bo Brummerstedt Iversen, Philip D. C. King and Philip Hofmann

Nature Communcations 1, 128, 1-5 (2010).


108. Surface band gap narrowing in quantized electron accumulation layers, P. D. C. King, T. D. Veal, C. F. McConvill, J. Zúñiga-Pérez, V. Muñoz-Sanjosé, M. Hopkinson, E. D. L. Rienks, M. Fuglsang-Jensen and Ph. Hofmann

Physical Review Letters 104, 256803, 1-4 (2010).


107. Structure and oscillatory multilayer relaxation of the bismuth (100) surface, J. Sun, J. Wang, J. W. Wells, Y. M. Koroteev, G. Bihlmayer, E. V. Chulkov, Ph. Hofmann and K. Pohl

New Journal of Physics 12, 063016, 1-13 (2010).


106. Electron-phonon coupling in potassium-doped graphene: Angle-resolved photoemission spectroscopy, M. Bianchi, E. D. L. Rienks, S. Lizzit, A. Baraldi, R. Balog, L. Hornekær, Ph. Hofmann

Phys. Rev. B 81, 041403(R), 1-4 (2010).


105. Band gap opening in graphene induced by patterned hydrogen adsorption, Richard Balog, Bjarke Jørgensen, Louis Nilsson, Mie Andersen, Emile Rienks, Marco Bianchi, Mattia Fanetti, Erik Lægsgaard, Alessandro Baraldi, Flemming Besenbacher, Silvano Lizzit, Zeljko Sljivancanin, Bjørk Hammer, Thomas G. Petersen, Philip Hofmann and Liv Hornekær

Nature Materials 9, 315-319 (2010).


104. Band dispersion in the deep 1s core level of graphene, S. Lizzit, G. Zampieri, L. Petaccia, R. Larciprete, P. Lacovig, E. D. L. Rienks, A. Baraldi and Ph. Hofmann

Nature Physics 6, 345-349 (2010).


2009


103. Study of the electronic structure at the interface between fluorene-1-carboxylic acid molecules and Cu(110), Fei Song, Hogying Mao, Dandan Guan, Weidong Dou, Hanjie Zhang, Haiyang Li, Pimo He, Philip Hofmann and Shining Bao

J. Phys. Condens. Matter 21, 355005, 1-6 (2009).


102. Hole dynamics in a two-dimensional spin-orbit coupled electron-system: theoretical and experimental study of Au(111), I. A. Nechaev, M. F. Jensen, E. D. L. Rienks, V. M. Silkin, P. M. Echenique, E. V. Chulkov and Ph. Hofmann

Physical Review B 80, 113402, 1-4 (2009).


101. Electron-phonon coupling at surfaces and interfaces, Ph. Hofmann, I. Sklyadneva, E. D. L. Rienks and E. V. Chulkov, invited review

New Journal of Physics 11 125005, 1-29 (2009).


100. Direct measurement of electrical conductance through a self-assembled molecular layer, F. Song, J. Wells, K. Handrup, Z. S. Li, S. N. Bao, K. Schulte, M. Ahola-Tuomi, L. C. Mayor, J. C. Swarbrick, E. W. Perkins, L. Gammelgaard and Ph. Hofmann

Nature Nanotechnology 4, 373-376 (2009).


99. Atomic Hydrogen Adsorbate Structures on Graphene, Richard Balog, Bjarke Jørgensen, Justin Wells, Erik Lægsgaard, Philip Hofmann, Flemming Besenbacher and Liv Hornekær                                                    Journal of the American Chemical Society 131, 8744-8745 (2009).

98. The Fermi surface of MoO2 as studied by angle-resolved photoemission spectroscopy, de Haas-van Alphen measurements, and electronic structure calculations, Judith Moosburger-Will, Jörg Kündel, Matthias Klemm, Siegfried Horn, Philip Hofmann, Udo Schwingenschlögel and Volker Eyert

Phys. Rev. B 79, 115113, 1-16 (2009).


97. Anisotropic electron-phonon coupling on a two-dimensional isotropic Fermi contour: Γ surface state on Be(0001), Teyu Chien, Emile Rienks, Maria Fuglsang Jensen, Philip Hofmann and E. Ward Plummer,

Phys. Rev.  B 80, 241416(R), 1-4 (2009).


96. Non-degenerate metallic states on Bi(114): a one-dimensional topological metal, J. W. Wells, J. H. Dil, F. Meier, J. Lobo-Checa, V. N. Petrov, J. Osterwalder, M. M. Ugeda, I. Fernandez-Torrente, J. I. Pascual, E. D. L. Rienks, M. F. Jensen and Ph. Hofmann

Phys. Rev. Lett. 102, 096802, 1-5 (2009), also selected for the Virtual Journal of Nanoscience & Technology, 19 (2009), see also synopsis in Physics, March 2009.


95. The surface phase transition and low-temperature phase of α-Ga(010) studied by SPA-LEED, S. Lizzit, A. Baraldi, Ch. Grütter, J. Bilgram and Ph. Hofmann

Surface Science, 603, 3222-3226 (2009).


94. Surface-sensitive conductance measurements, Ph. Hofmann and J. W. Wells, invited review

Journal of Physics Condensed Matter 21, 013003, 1-21 (2009).


2008


93. The conductivity of Bi(111) investigated with nano-scale four point probes, J. W. Wells, K. Handrup, J. F. Kallehauge, L. Gammelgaard, P. Bøggild, M. B. Balslev, J. E. Hansen, P. R. E. Petersen and Ph. Hofmann, Journal of Applied Physics, 104, 053717, 1-5 (2008).


92. Valence electronic properties of n-channel organic materials based on fluorinated derivatives of perylene diimides, Weidong Dou, Dandan Guan, Fei Song, Nana Li, Hanjie Zhang, Haiyang Li, Pimo He, Hongzheng Chen, Shining Bao and Philip Hofmann

J. Chem. Phys. 128, 244711, 1-6 (2008).


91. Surface-sensitive conductance measurements on clean and stepped semiconductor surfaces: numerical simulations of four point probe measurements, J. W. Wells, J. F. Kallehauge and Ph. Hofmann

Surface Science 602, 1742-1749 (2008).


90. A complementary metal-oxide-semiconductor compatible monocantilever 12-point-probe for conductivity measurements on the nano-scale, L. Gammelgaard, J.W. Wells, K. Handrup, Ph. Hofmann, M. B. Balslev, J. E. Hansen, P. R. E. Petersen and P. Bøggild

Applied Physics Letters 93, 093104, 1-3 (2008).


89. Band structure effects on the Be(0001) acoustic surface plasmon dispersion, V. M. Silkin, J. M. Pitarke, E. V. Chulkov, B. Diaconescu, K. Pohl, L. Vattuone, L. Savio, Ph. Hofmann,  D. Farias, Mario Rocca and P. M. Echenique

physica status solidi 205, 1307-1311 (2008).


2007


88. C 1s photoemission spectrum in graphite(0001), S. Lizzit, L. Petaccia, A. Goldoni, R. Larciprete, Ph. Hofmann and G. Zampieri

Phys. Rev. B 76, 153408, 1-4 (2007).


87. The structure of Sb(111) determined by photoelectron diffraction, S. Bengó, J. W. Wells, T. K. Kim, G. Zampieri, L. Petaccia, S. Lizzit and Ph. Hofmann

Surface Science 601, 2908-2911 (2007).


86. Low-energy acoustic plasmons at metal surfaces, B. Diaconescu, K. Pohl, L. Vattuone, L. Savio, Ph. Hofmann, V. M. Silkin, J. M. Pitarke, E. V. Chulkov, P. M. Echenique, D. Farias and Mario Rocca

Nature 448, 57-59 (2007).


85. Thermal switching of the electrical conductivity of Si(111)(√3x√3)Ag due to a surface phase transition, J.W. Wells, J.F. Kallehauge, T.M. Hansen, and Ph. Hofmann

Journal of Physics: Cond. Matt., 19, 176008, 1-7 (2007).


84. Thermally induced defects and the lifetime of electronic surface states, M. Fuglsang Jensen, T. K. Kim, S. Bengio, I. Yu. Sklyadneva, A. Leonardo, S. V. Eremeev, E. V. Chulkov and Ph. Hofmann

Phys. Rev. B 75, 153404, 1-4 (2007).


2006


83. Disentangling surface, bulk and space-charge layer conductivity: Si(111)(7×7), J.W. Wells, J.F. Kallehauge, T.M. Hansen, and Ph. Hofmann

Phys. Rev. Lett. 97, 206803, 1-4 (2006).


82. Structure determination of the Bi(110) semimetal surface by LEED analysis and ab initio calculations, J. Sun, A. Mikkelsen, M. Fuglsang Jensen,Y.M. Koroteev, G. Bihlmayer,  E.V. Chulkov, D.L. Adams, Ph. Hofmann, and K. Pohl

Phys. Rev. B, 74, 245406, 1-8 (2006).


81. Evidence for bandlike dispersion in K6C60(110) films, A. Goldoni, L. Petaccia, G. Zampieri, S. Lizzit, C. Cepek, J. E. Gayone, J. Wells and Ph. Hofmann

Phys. Rev B 74, 045414, 1-5 (2006). 


80. The surfaces of Bi: structural and electronic properties, invited review, Ph. Hofmann

Progress in Surface Science 81, 191-245 (2006).


2005


79. Band-like dispersion in the valence band photoemission spectra of K6C60(110) films, A. Goldoni, L. Petaccia, G. Zampieri, S. Lizzit, C. Cepek, J. E. Gayone, J. Wells and Ph. Hofmann

AIP Conference Proceedings 786 ’Electronic Properties of Novel Nanostructures’, 3-7 (2005). 


78. Surface states and resonances on Al(110): Ultraviolet photoemission spectroscopy and ab initio calculations, M.J.G. Lee, M. Gensch, A.I. Shkrebtii, Th. Herrmann, W. Richter, N. Esser and Ph. Hofmann

Phys. Rev. B 72, 085408-1-7 (2005). 


77. The electron-phonon coupling on Mg(0001), T. K. Kim, T. S. Sørensen, E. Wolfring, H. Li, E. V. Chulkov and Ph. Hofmann

Phys. Rev. B 72, 075422-1-6 (2005). 


76. The structure of the (111) surface of bismuth, H. Mönig, J. Sun, Yu. M. Koroteev, J. Wells, G. Bihlmayer, E. V. Chulkov, K. Pohl and Ph. Hofmann

Phys. Rev. B 72, 085410-1-7 (2005). 


75. Self-energy determination and electron-phonon coupling on Bi(110), C. Kirkegaard, T.K.Kim and Ph. Hofmann, invited paper

New Journal of Physics 7, 99-1-22 (2005). 


74. The electronic structure and Fermi surface of Bi(100), Ph. Hofmann, J. E. Gayone, G. Bihlmayer, Yu. M. Koroteev, E. V. Chulkov

Phys. Rev. B 71, 195413-1-7 (2005). 


73. A Photoelectron Diffraction Study of the 6H-SiC(0001) √3x√3R30° Reconstruction, G. Zampieri, S. Lizzit, L. Petaccia, A. Goldoni, A. Baraldi, M. Bremholm, J. E. Gayone, S. V. Hoffmann and Ph. Hofmann

Phys. Rev. B 72, 165327-1-9 (2005). 


72. Evidence against a charge density wave on Bi(111), T. K. Kim, J. Wells, C. Kirkegaard, Z. Li, S. V. Hoffmann, J. E. Gayone, I. Fernandez-Torrente, P. Häberle, J. I. Pascual, K.T. Moore, A.J. Schwartz, H. He, J.C.H. Spence, K.H. Downing, S. Lazar, F.D. Tichelaar, S. V. Borisenko, M. Knupfer and Ph. Hofmann

Phys. Rev. B 72, 085440-1-7 (2005). 


71. Comment on: Momentum-Dependent Energy Losses in Core Level Photoemission, Ph. Hofmann, G. Zampieri, L. Petaccia, S. Lizzit and A. Baraldi

Phys. Rev. Lett., 94, 209703-1-4 (2005).


70. Determining the electron-phonon mass enhancement parameter lambda on metal surfaces J.E. Gayone, C. Kirkegaard, J. W. Wells, S. V. Hoffmann, Z. Li and Ph. Hofmann

Applied Physics A 80, 943-949 (2005).


2004


69. The phase diagram of hydrogen on Be(0001) from reconstruction-induced surface core level shifts, K. Pohl, E. W. Plummer, S. V. Hoffmann and Ph. Hofmann

Phys. Rev. B 70, 235424-1-6 (2004). 


68. The role of the spin in quasiparticle interference, J. I. Pascual, G. Bihlmayer, Yu. M. Koroteev, H.-P. Rust, G. Ceballos, M. Hansmann, K. Horn, E. V. Chulkov, S. Blügel, P. M. Echenique and Ph. Hofmann

Phys. Rev. Lett. 93,196802-1-4 (2004). 


67. Optical reflectance anisotropy of Al(110): Experiment and ab initio calculation, Th. Hermann, M. Gensch, M. J. G. Lee, A. I. Shkrebtii, N. Esser, W. Richter and Ph. Hofmann

Phys. Rev. B 69,165406-1-7 (2004). 


66. Strong spin-orbit splitting on Bi surfaces, Yu. M. Koroteev, G. Bihlmayer, J. E. Gayone, E. V. Chulkov, S. Blügel, P. M. Echenique and Ph. Hofmann

Phys. Rev. Lett. 93, 046403-1-4 (2004). 


65. Excitation energy dependence of the ARPES intensity in Pb-doped and pristine Bi2Sr2CaCu2O8+δ, S. V. Borisenko, T. K. Kim, A. A. Kordyuk, M. Knupfer, J. Fink, J. E. Gayone, Ph. Hofmann, H. Berger, B. Liang, A. Maljuk and C. T. Lin

Physica C 417,1-6 (2004). 


64. An undulator-based spherical grating monochromator beamline for angle-resolved photoemission spectroscopy, S. V. Hoffmann, Ch. Søndergaard, Ch. Schultz, Z. Li and Ph. Hofmann

Nuclear Instruments and Methods in Physics Research A 523,441-453 (2004). 


2003


63. Bulk Fermi surface mapping with high-energy angle-resolved photoemission, M. B. Nielsen, Z. Li, S. Lizzit, A. Goldoni and Ph. Hofmann

Journal of Physics: Cond. Matt. 15, 6919-6930 (2003). 


62. Strong energy dependence of the electron-phonon coupling strength on Bi(100), J. E. Gayone, S. V. Hoffmann, Z. Li and Ph. Hofmann

Phys. Rev. Lett. 91,127601-1-4 (2003). 


61. α-Ga(010) surface reconstruction: A LEED structural analysis of the (1x1) room temperature and the (2√2x√2) low temperature structures, S. Moré, E. A. Soares, M. A. Van Hove, S. Lizzit, A. Baraldi, Ch. Grütter, J.H. Bilgram and Ph. Hofmann

Phys. Rev. B 68, 075414-1-10 (2003). 


60. The electronic structure of α-Ga Ch. Søndergaard, Ch. Schultz, S. Agergaard, H. Li, S. V. Hoffmann, Z. Li, Ph. Hofmann, Ch. Grütter and J.H. Bilgram

Phys. Rev. B 67, 205105-1-5 (2003). 


59. Interplay between the electronic structure and the phase transition on α-Ga(010) Ch. Søndergaard, Ch. Schultz, S. Agergaard, H. Li, S. V. Hoffmann, Z. Li, Ph. Hofmann, Ch. Grütter and J.H. Bilgram

Phys. Rev. B 67,165422-1-13 (2003). 


58. Multilayer Relaxation from Surface Core Level Shift: the Be(0001) case, A. Baraldi, S. Lizzit, K. Pohl, Ph. Hofmann and S. de Gironcoli

Europhys. Lett 64, 364-370 (2003). 


2002


57. Unexpected surface sensitivity at high energies in angle-resolved photoemission, Ph. Hofmann, Ch. Søndergaard, S. Agergaard, S. V. Hoffmann, J. E. Gayone, M. S. Moreno, G. Zampieri S. Lizzit and A. Baraldi

Phys. Rev. B 66, 245422-1-5 (2002). 


56. Thermal expansion at a metal surface:a study of Mg(0001) and Be(10-10), Ismail, Ph. Hofmann, A. P. Baddorf and E. W. Plummer

Phys. Rev. B 66, 245414-1-9 (2002). 


2001


55. The effect of reduced dimensionality on a semimetal: the electronic structure of the Bi(110) surface, S. Agergaard, Ch. Søndergaard, H. Li, M.B. Nielsen, S.V. Hoffmann, Z. Li and Ph. Hofmann

New Journal of Physics 3, 15-1-10 (2001).


54. Optical properties of the Au(110) surface, K. Stahrenberg, Th. Herrmann, N. Esser, W. Richter and Ph. Hofmann

Phys. Rev. B 65, 035407-1-6 (2001). 


53. Combined TPS, XPS, EXAFS and NO-TPD study of the sulfiding of Mo/Al2O3 L.P. Nielsen, M. Schønning, S.V. Christensen, S.V. Hoffmann, Z. Li, Ph. Hofmann, F. Besenbacher and B.S. Clausen

Catal. Lett. 73, 85-90 (2001). 


52. Final state effects on photoemission line shapes at finite temperature, Ch. Søndergaard, Ph. Hofmann, Ch. Schultz, S. Moreno, J.E. Gayone, M.A. Vicente Alvarez, G. Zampieri, S. Lizzit and A. Baraldi

Phys. Rev. B 63, 233102-1-4 (2001). 


51. Symmetry-resolved density of states from valence band photoelectron diffraction, Ch. Søndergaard, Ch. Schultz, M. Schønning, S. Lizzit, A. Baraldi, S. Agergaard, M.B. Nielsen, H. Li and Ph. Hofmann

Phys. Rev. B 64, 245110-1-5 (2001). 


2000


50. Fourier Transform STM: determining the surface Fermi contour, L. Petersen, Ph. Hofmann, E.W. Plummer and F. Besenbacher

J. of Electron Spectroscopy and Rel. Phen. 109, 97-115 (2000).


49. Surface Lattice Dynamics of Mg(0001), Ismail, Ph. Hofmann, E.W. Plummer, C. Bungaro and W. Kress

Phys. Rev. B 62, 17012-17019 (2000). 


48. Is PEXAFS really PhD?, R. L. Toomes, D. P. Woodruff, M. Polcik, S. Bao, Ph. Hofmann and K.-M. Schindler

Surf. Sci. 445, 300-308 (2000). 


47. Core-level subsurface shifted component in a 4d transition metal: Ru(10-1 0), A. Baraldi, S. Lizzit, G. Comelli, A. Goldoni, Ph. Hofmann and G. Paolucci

Phys. Rev. B 61, 4534-4537 (2000). 


1998


46. Surface state contribution to the optical anisotropy of Ag(110) surfaces: A RAS and photoemission study, K. Stahrenberg, T. Herrmann, N. Esser, J. Sahm, W. Richter, S.V. Hoffmann and Ph. Hofmann

Phys. Rev. B 58, R10207-R10209 (1998). 


45. Physics of the Be(10-10) suface core level spectrum, S. Lizzit, K. Pohl, A. Baraldi, G. Comelli, V. Fritzsche, E.W. Plummer, R. Stumpf and Ph. Hofmann

Phys. Rev. Lett. 81, 3271-3274 (1998). 


44. Charge density oscillations on Be(10-10): screening in a non-free two-dimensional electron gas, B.G. Briner, Ph. Hofmann, M. Doering, H.-P. Rust, E.W. Plummer and A.M. Bradshaw

Phys. Rev. B 58, 13931-13943 (1998). 


43. The structure of adsorbed Fe on Ni(111) A. Theobald, V. Fenandez, O. Schaff, Ph. Hofmann, K.-M. Schindler, V. Fritzsche and A.M. Bradshaw

Phys. Rev. B 58, 6768-6771 (1998). 


42. Electron-lattice interaction on α-Ga(010) Ph. Hofmann, Y. Cai, Ch. Grütter and J.H. Bilgram

Phys. Rev. Lett. 81, 1670-1673 (1998). 


41. Direct imaging of the two dimensional Fermi Contour: Fourier Transform STM, L. Petersen, P.T. Sprunger, Ph. Hofmann, E. Lægsgaard, B.G. Briner, M. Doering, H.-P. Rust, A.M. Bradshaw, F. Besenbacher and E.W. Plummer

Phys. Rev. B 57, R6858-R6861 (1998). 


1997


40. Observation of interfering Bloch waves, B.G. Briner, Ph. Hofmann, M. Doering, H.-P. Rust, E.W. Plummer and A.M. Bradshaw

Europhys. Lett. 39, 67-72 (1997). 


39. Anisotropic two-dimensional Friedel oscillations, Ph. Hofmann, B.G. Briner, M. Doering, H.-P. Rust, E.W. Plummer and A.M. Bradshaw

Phys. Rev. Lett. 79, 265-268 (1997). 


38. Structure determination of ammonia on Cu(110) - a low-symmetry adsorption site, N.A. Booth, R. Davis, D.P. Woodruff, C. Hirschmugl, K.-M. Schindler, O. Schaff, V. Fernandez, A. Theobald, Ph. Hofmann, A.M. Bradshaw and V. Fritzsche

Surf. Sci. 387, 152-159 (1997). 


37. Quantitative Structural Study of the Coadsorption of CO and K on Ni(111) Using Pho- toelectron Diffraction, R. Davis, R. Toomes, D. P. Woodruff. O. Schaff, V. Fernandez, K.-M. Schindler, Ph. Hofmann, K.-U. Weiss, R. Dippel, V. Fritzsche and A. M. Bradshaw

Surf. Sci. 393,12-23 (1997). 


36. Lattice vibrations at the Be(10-10) surface Ph. Hofmann and E.W. Plummer

Surf. Sci. 377-379, 330-334 (1997). 


35. The valence band structure of cubic CdS as determined by Angle Resolved Photoemission, A.P.J. Stampfl, Ph. Hofmann, O. Schaff and A.M. Bradshaw

Phys. Rev. B 55, 9679-9684 (1997).


1996


34. A Scanned-Energy Mode Photoelectron Diffraction Study of the Structure of Ni(111) (2x2)-O, M. E. Davila, M. C. Asensio, D. P. Woodruff, K.-M. Schindler, Ph. Hofmann, S. Bao, V. Fritzsche and A. M. Bradshaw

Surface Sci. 359, 185-197 (1996). 


33. An Integrated Approach to Adsorbate Structure Determination Using Photoelectron Diffraction: Direct ”Imaging” and Quantitative Simulation, D. P. Woodruff, R. Davis, N. A. Booth, A. M. Bradshaw, C. J. Hirschmugl, K.-M. Schindler, O. Schaff, V. Fernandez, A. Theobald, Ph. Hofmann and V. Fritzsche

Surface Sci. 357-358, 19-27 (1996). 


32. Quantitative Structure Determination of an NHX species adsorbed on Cu(110), C. J. Hirschmugl, K.-M. Schindler, O. Schaff, V. Fernandez, A. Theobald, Ph. Hofmann, A. M. Bradshaw, R. Davis, N. A. Booth, D. P. Woodruff and V. Fritzsche

Surf. Sci. 352-354, 232-237 (1996). 


31. Structre determination of a CO/O coadsorption phase on Ni(111), V. Fernandez, K.-M. Schindler, O. Schaff, Ph. Hofmann, A. Theobald, A.M. Bradshaw, V. Fritzsche, R. Davis and D.P. Woodruff

Surf. Sci. 351, 1-12 (1996). 


30. The electronic structure of Be(10-10), Ph. Hofmann, R. Stumpf, V.M. Silkin, E.V. Chulkov and E.W. Plummer

Surf. Sci. 355, L278-L282 (1996). 


29. The geometric structure of Be(10-10), Ph. Hofmann, K. Pohl, R. Stumpf and E.W. Plummer

Phys. Rev. B 53, 13715-13719 (1996). 


28. Spatial probability distribution of adsorbate atoms, Ph. Hofmann, O. Schaff and K.-M. Schinder

Phys. Rev. Lett. 76, 948-951 (1996). 


27. Local structure determination for low-coverage CO on Ni(111), R. Davis, D.P. Woodruff, Ph. Hofmann, O. Schaff, V. Ferandez, K.-M. Schindler, V. Fritzsche, A.M. Bradshaw

J. Phys: Condens. Matter 8, 1367-1379 (1996). 


26. Coverage-dependent changes in the adsorption geometry of benzene on Ni(111), O. Schaff, V. Ferandez, Ph. Hofmann, K.-M. Schindler, A. Theobald, V. Fritzsche, A.M. Bradshaw, R. Davis and D.P. Woodruff

Surf. Sci. 348, 89-99 (1996). 


1995


25. Study of surface states on Cu(110) using optical anisotropy spectroscopy, Ph. Hofmann, K.C. Rose, V. Fernandez, A.M. Bradshaw and W. Richter

Phys. Rev. Lett. 75, 2039-2042 (1995). 


24. Quantitative determination of molecular adsorption structures using photoelectron diffraction: the methoxy species on Cu(111), O. Schaff, G. Hess, V. Fernandez, K.-M. Schindler, A. Theobald, Ph. Hofmann, A. M. Bradshaw, V. Fritzsche, R. Davis and D. P. Woodruff

J. Electron Spectr. Rel. Phen. 75, 117 (1995). 


23. Direct Methods for adsorbate structure determination using photoelectron diffraction, O. Schaff, Ph. Hofmann, C.J. Hirschmugl, A. Theobald, V. Fernandez, K.-M. Schindler, A.M. Bradshaw, N. Booth, R. Davis and D.P. Woodruff

J. Electr. Spectr. Rel. Phen. 76, 85-90 (1995).


22. Ethene adsorbed on Cu(110): a combined photoemission and photoelectron diffraction study, O. Schaff, A.P.J. Stampfl, Ph. Hofmann, S. Bao, K.-M. Schindler, A.M. Bradashaw, R. Davis, D.P. Woodruff and V. Fritzsche

Surf. Sci. 334, 201-210 (1995). 


21. The structure of the surface methoxy species on Ni(111), O. Schaff, G. Hess, V. Fritzsche, V. Fernandez, K.-M. Schindler, A. Theobald, Ph. Hofmann, A.M. Bradshaw, R. Davis and D.P. Woodruff

Surf. Sci. 331-333, 201-206 (1995). 


20. The potassium-induces reconstruction of Cu110: The potassium atom adsorption site, Ph. Hofmann, S. Bao, K.-M. Schindler, O. Schaff, M. Polcik, V. Fritzsche, A.M. Bradshaw, R. Davis and D.P. Woodruff

Surf. Sci. 319, L7-L12 (1995). 


19. Structure determination of an alkali metal-CO coadsorption phase: Ni(111)-K/CO, R. Davis, D.P. Woodruff, O. Schaff, V. Fernandez, K.-M. Schindler, Ph. Hofmann, K.-U. Weiß, R. Dippel, V. Fritzsche and A.M. Bradshaw

Phys. Rev. Lett. 74, 1621-1624 (1995). 


18. A photoelectron diffraction study of the structure of the Cu110(2x1)-CO system, Ph. Hofmann, K.-M. Schindler, S. Bao, V. Fritzsche, A.M. Bradshaw and D.P. Woodruff

Surf. Sci. 337, 169-176 (1995). 


17. The local geometry of reactant and product in a surface reaction: the dehydrogenation of adsorbed ethylene on Ni(111), S. Bao, Ph. Hofmann, K.-M. Schindler, V. Fritzsche, A.M. Bradshaw and D.P. Woodruff

Surf. Sci. 323, 19-29 (1995). 


16. The adsorption site of pyridine on Ni(111) determined by low-energy photoelectron diffraction, V. Fritzsche, S. Bao, Ph. Hofmann, M. Polcik, K.-M. Schindler, A.M. Bradshaw, R. Davis and D.P. Woodruff

Surf. Sci. 319, L1-L6 (1995). 


1994


15. Experimental tests of new direct methods for adsorbate structure determination using photoelectron diffraction, Ph. Hofmann, K.-M. Schindler, V. Fritzsche, S. Bao, A.M. Bradshaw and D.P. Woodruff

J. Vac. Sci. Technol. A 12, 2045-2050 (1994). 


14. Structure determination of Ni(111)c(4x2)-CO and its implication for the interpretation of vibrational spectroscopic data, M.E. Davila, M.C. Asensio, D.P. Woodruff, K.-M. Schindler, Ph. Hofmann, K.-U. Weiß, R. Dippel, P. Gardner, V. Fritzsche, A.M. Bradshaw, J.C. Conesa and A.R. Gonzalez-Elipe

Surf. Sci. 311, 337-348 (1994). 


13. Initial-state effects in scanned-energy-mode photoelectron diffraction, V. Fritzsche, R. Davis, X.-M. Hu, D.P. Woodruff, K.-U. Weiß, R. Dippel, K.-M. Schindler, Ph. Hofmann and A.M. Bradshaw

Phys. Rev. B 49, 7729-7733 (1994). 


12. Photoelectron diffraction investigation of the adsorption site and local structure for potassium on Ni(111), R. Davis, X.-M. Hu, D.P. Woodruff, K.-U.Weiß, R. Dippel, K.-M. Schindler, Ph. Hofmann, V. Fritzsche and A.M. Bradshaw

Surf. Sci., 307-309, 632-638 (1994). 


11. Determination of the local adsorption structure of acetylene on Ni(111), S. Bao, Ph. Hofmann, K.-M. Schindler, V. Fritzsche, A.M. Bradshaw, D.P. Woodruff, C. Casado and M.C. Asensio

Surf. Sci., 307-309, 722-727 (1994). 


10. Direct identification of atomic and molecular adsorption sites using photoelectron diffraction, Ph. Hofmann, K.-M. Schindler, S. Bao, A.M. Bradshaw and D.P. Woodruff

Nature 368, 131-132 (1994). 


9. The geometric structure of the surface methoxy species on Cu(111), Ph. Hofmann, K.-M. Schindler, S. Bao, D.E. Ricken, A.M. Bradshaw and D.P. Woodruff

Surf. Sci. 304, 74-84 (1994). 


8. Following the changes in local geometry associated with a surface reaction: the dehydrogenation of adsorbed ethylene, S. Bao, Ph. Hofmann, K.-M. Schindler, V. Fritzsche, A.M. Bradshaw, D.P. Woodruff, C. Casado and M.C. Asensio

J. Phys. Condens. Matter 6, L93-L98 (1994).


1993


7. Is the frequency of the internal mode of an adsorbed diatomic molecule a reliable guide to its local adsorption site?, K.-M. Schindler, Ph. Hofmann, K.-U. Weiß, R. Dippel, P. Gardner, V. Fritzsche, A.M. Bradshaw, D.P. Woodruff, M.E. Davila, M.C. Assensio, J.C. Conesa and A.R. Gonzalez-Elipe

J. Electr. Spectr. Rel. Phen. 64-65, 75-83 (1993). 


6. Experimental demonstrations of direct adsorbate site identification using photoelectron diffraction, K.-M. Schindler, Ph. Hofmann, V. Fritzsche, S. Bao, S. Kulkarni, A.M. Bradshaw and D.P. Woodruff

Phys. Rev. Lett. 71, 2054-2057 (1993). 


5. Direct adsorbate-structure determination by scanned-energy mode photoelectron diffraction, Ph. Hofmann and K.-M. Schindler

Phys. Rev. B 47, 13941-13943 (1993). 


4. The local adsorption structure of acetylene on Cu(111), S. Bao, K. M. Schindler, Ph. Hofmann, V. Fritzsche, A.M. Bradshaw and D.P. Woodruff

Surf. Sci. 291, 295-308 (1993). 


  1. 3.Dielectric function of cubic and hexagonal CdS in the vacuum ultraviolet region, Ph. Hofmann, K. Horn, A.M. Bradshaw, R.L. Johnson, D. Fuchs and M. Cardona, Phys. Rev. B 47, 1639-1642 (1993). 


1992


2. Nitrogen layers on Rh(110) 1x1 and Rh(110) 1x2 surfaces produced by NO+H2 reaction: structure, stability and desorption kinetics, G. Comelli, S. Lizzit, Ph. Hofmann, G. Paolucci, M. Kiskinova and R. Rosei

Surf. Sci. 277, 31-42 (1992). 


1. Interaction of atomic nitrogen with Rh(110), S. Lizzit, G. Comelli, Ph. Hofmann, G. Paolucci, M. Kiskinova and R. Rosei

Surf. Sci. 276, 144-155 (1992). 


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