
For most recent citation numbers and h-index I refer to my Google Scholar page or Web of Science.
2022
- A. J. H. Jones, R. Muzzio, S. Pakdel, D. Biswas, D. Curcio, N. Lanata, P. Hofmann, K. M. McCreary, B. T. Jonker, K. Watanabe, T. Taniguchi, S. Singh, R. J. Koch, C. Jozwiak, E. Rotenberg, A. Bostwick, J. A. Miwa, J. Katoch and S. Ulstrup:
Visualizing band structure hybridization and superlattice effects in twisted MoS2/WS2 heterobilayers
2D Materials 9, 015032 (2022)
2021
- D. Curcio, S. Pakdel, K. Volckaert, J. A. Miwa, S. Ulstrup, N. Lanatà, M. Bianchi, D. Kutnyakhov, F. Pressacco, G. Brenner, S. Dziarzhytski, H. Redlin, S. Y. Agustsson, K. Medjanik, D. Vasilyev, H.-J. Elmers, G. Schönhense, C. Tusche, Y.-J. Chen, F. Speck, T. Seyller, K. Bühlmann, R. Gort, F. Diekmann, K. Rossnagel, Y. Acremann, J. Demsar, W. Wurth, D. Lizzit, L. Bignardi, P. Lacovig, S. Lizzit, C. E. Sanders, and P. Hofmann:
Ultrafast electronic line width broadening in the C 1s core level of graphene
Physical Review B: Letters 104, L161104 (2021) - P. Majchrzak, K. Volckaert, A. G. Cabo, D. Biswas, M. Bianchi, S. K. Mahatha, M. Dendzik, F. Andreatta, S. S. Grønborg, I. Marković, J. M. Riley, J. C. Johannsen, D. Lizzit, L. Bignardi, S. Lizzit, C. Cacho, O. Alexander, D. Matselyukh, A. S. Wyatt, R. T. Chapman, E. Springate, J. V. Lauritsen, P. D. C. King, C. E. Sanders, J. A. Miwa, P. Hofmann and S. Ulstrup:
Spectroscopic view of ultrafast charge carrier dynamics in single- and bilayer transition metal dichalcogenide semiconductors
Journal of Electron Spectroscopy and Related Phenomena 250, 147093 (2021) - P. Majchrzak, S. Pakdel, D. Biswas, A. J. H. Jones, K. Volckaert, I. Marković, F. Andreatta, R. Sankar, C. Jozwiak, E. Rotenberg, A. Bostwick, C. E. Sanders, Y. Zhang, G. Karras, R. T. Chapman, A. S. Wyatt, E. Springate, J. A. Miwa, P. Hofmann, P. D. C. King, N. Lanata, Y. J. Chang and S. Ulstrup:
Switching of the electron-phonon interaction in 1T-VSe2 assisted by hot carriers
Physical Review B: Letters 103, L241108 (2021) - P. Majchrzak, R. Muzzio, A. J. H. Jones, D. Curcio, K. Volckaert, D. Biswas, J. Gobbo, S. Singh, J. T. Robinson, K. Watanabe, T. Taniguchi, T. K. Kim, C. Cacho, J. A. Miwa, P. Hofmann, J. Katoch and S. Ulstrup:
In Operando Angle-Resolved Photoemission Spectroscopy with Nanoscale Spatial Resolution: Spatial Mapping of the Electronic Structure of Twisted Bilayer Graphene
Small Science 1, 2000075 (2021) - D. Biswas, A. J. H. Jones, P. Majchrzak, B. K.Choi, T.-H. Lee, K. Volckaert, J. Feng, I. Marković, F. Andreatta, C.-J. Kang, H. J. Kim, I. H. Lee, C. Jozwiak, E. Rotenberg, A. Bostwick, C. E. Sanders, Y. Zhang, G. Karras, R. T. Chapman, A. S. Wyatt, E. Springate, J. A. Miwa, P. Hofmann, P. D. C. King, Y. J. Chang, N. Lanata and S. Ulstrup:
Ultrafast triggering of insulator-metal transition in two-dimensional VSe2
Nano Letters 21, 1968 (2021)
2020
- D. Curcio, A. J. H. Jones, R. Muzzio, K. Volckaert, D. Biswas, C. E. Sanders, P. Dudin, C. Cacho, S. Singh, K. Watanabe, T. Taniguchi, J. A. Miwa, J. Katoch, S. Ulstrup and P. Hofmann:
Accessing the spectral function in a current-carrying device
Physical Review Letters 125, 236403 (2020) - M. Fortin-Deschênes, H. Zschiesche, T. O. Menteş, A. Locatelli, R. M. Jacobberger, F. Genuzio, M. J. Lagos, D. Biswas, C. Jozwiak, J. A. Miwa, S. Ulstrup, A. Bostwick, E. Rotenberg, M. S. Arnold, G. A. Botton and O. Moutanabbir:
Pnictogens Allotropy and Phase Transformation during van der Waals Growth
Nano Letters 20, 8258 (2020) - A. J. H. Jones, R. Muzzio, P. Majchrzak, S. Pakdel, D. Curcio, K. Volckaert, D. Biswas, J. Gobbo, S. Singh, J. T. Robinson, K. Watanabe, T. Taniguchi, T. K. Kim, C. Cacho, N. Lanata, J. A. Miwa, P. Hofmann, J. Katoch and S. Ulstrup:
Observation of Electrically Tunable van Hove Singularities in Twisted Bilayer Graphene from NanoARPES
Advanced Materials 6, 2001656 (2020)
selected for a cover
selected for “Result of the Month” by scientaomicron - B. K. Choi, S. Ulstrup, S. M. Gunasekera, J. Kim, S. Y. Lim, L. Moreschini, J. S. Oh, S.-H. Chun, C. Jozwiak, A. Bostwick, E. Rotenberg, H. Cheong, I.-W. Lyo, M. Mucha-Kruczynski and Y. J. Chang:
Visualizing Orbital Content of Electronic Bands in Anisotropic 2D Semiconducting ReSe2
ACS Nano 14, 7880 (2020) - R. Muzzio, A. J. H. Jones, D. Curcio, D. Biswas, J. A. Miwa, P. Hofmann, K. Watanabe, T. Taniguchi, S. Singh, C. Jozwiak, E. Rotenberg, A. Bostwick, R. J. Koch, S. Ulstrup and J. Katoch:
Momentum-resolved view of highly tunable many-body effects in a graphene/hBN field-effect device
Physical Review B: Rapid Communications 101, 201409(R) (2020) - S. Ulstrup, R. J. Koch, S. Singh, K. M. McCreary, B. T. Jonker, J. T. Robinson, C. Jozwiak, E. Rotenberg, A. Bostwick, J. Katoch and J. A. Miwa:
Direct observation of minibands in a twisted graphene/WS2 bilayer
Science Advances 6, eaay6104 (2020) - D. Kutnyakhov, R. P. Xian, M. Dendzik, M. Heber, F. Pressacco, S. Y. Agustsson, L. Wenthaus, H. Meyer, S. Gieschen, G. Mercurio, A. Benz, K. Bühlman, S. Däster, R. Gort, D. Curcio, K. Volckaert, M. Bianchi, C. Sanders, J. A. Miwa, S. Ulstrup, A. Oelsner, C. Tusche, Y.-J. Chen, D. Vasilyev, K. Medjanik, G. Brenner, S. Dziarzhytski, H. Redlin, B. Manschwetus, S. Dong, J. Hauer, L. Rettig, F. Diekmann, K. Rossnagel, J. Demsar, H.-J. Elmers, P. Hofmann, R. Ernstorfer, G. Schönhense, Y. Acremann and W. Wurth:
Time- and momentum-resolved photoemission studies using time-of-flight momentum microscopy at a free-electron laser
Review of Scientific Instruments 91, 013109 (2020)
2019
- K. Volckaert, H. Rostami, D. Biswas, I. Marković, F. Andreatta, C. E. Sanders, P. Majchrzak, C. Cacho, R. T. Chapman, A. Wyatt, E. Springate, D. Lizzit, L. Bignardi, S. Lizzit, S. K. Mahatha, M. Bianchi, N. Lanata, P. D. C. King, J. A. Miwa, A. V. Balatsky, P. Hofmann and S. Ulstrup:
Momentum-resolved linear dichroism in bilayer MoS2
Physical Review B: Rapid Communications 100, 241406(R) (2019) - H. Rostami, K. Volckaert, N. Lanata, S. K. Mahatha, C. E. Sanders, M. Bianchi, D. Lizzit, L. Bignardi, S. Lizzit, J. A. Miwa, A. V. Balatsky, P. Hofmann and S. Ulstrup:
Layer and orbital interference effects in photoemission from transition metal dichalcogenides
Physical Review B 100, 235423 (2019) - B. Shevitski, S. Ulstrup, R. J. Koch, H. Cai, S. Tongay, L. Moreschini, C. Jozwiak, A. Bostwick, A. Zettl, E. Rotenbeg and S. Aloni:
Tunable electronic structure in gallium chalcogenide van der Waals compounds
Physical Review B 100, 165112 (2019) - S. Ulstrup, C. E. Giusca, J. A. Miwa, C. E. Sanders, A. Browning, P. Dudin, C. Cacho, O. Kazakova, D. Kurt Gaskill, R. L. Myers-Ward, T. Zhang, M. Terrones and P. Hofmann:
Nanoscale mapping of quasiparticle band alignments
Nature Communications 10, 3283 (2019) - S. S. Grønborg, K. Thorarinsdottir, L. Kyhl, J. Rodriguez-Fernandez, C. E. Sanders, M. Bianchi, P. Hofmann, J. A. Miwa, S. Ulstrup and J. V. Lauritsen:
Basal Plane Oxygen Exchange of Epitaxial MoS2 without Edge Oxidation
2D Materials 6, 045013 (2019) - F. Andreatta, H. Rostami, A. G. Cabo, M. Bianchi, C. E. Sanders, D. Biswas, C. Cacho, A. J. H. Jones, R. T. Chapman, E. Springate, P. D. C. King, J. A. Miwa, A. Balatsky, S. Ulstrup and P. Hofmann:
Transient Hot Electron Dynamics in Single-Layer TaS2
Physical Review B 99, 165421 (2019) - S. Ulstrup, R. J. Koch, D. Schwarz, K. M. McCreary, B. T. Jonker, S. Singh, A. Bostwick, E. Rotenberg, C. Jozwiak and J. Katoch:
Imaging microscopic electronic contrasts at the interface of single-layer WS2 with oxide and boron nitride substrates
Applied Physics Letters 114, 151601 (2019) - C. Kastl, R. J. Koch, C. T. Chen, J. Eichhorn, S. Ulstrup, A. Bostwick, C. Jozwiak, T. R. Kuykendall, N. J. Borys, F. M. Toma, S. Aloni, A. Weber-Bargioni, E. Rotenberg and A. M. Schwartzberg:
Effects of defects on band structure and excitons in WS2 revealed by nanoscale photoemission spectroscopy
ACS Nano 13, 1284 (2019)
2018
- P. Lutz, S. Moser, V. Jovic, Y.-J. Chang, R. J. Koch, S. Ulstrup, J.-S. Oh, L. Moreschini, S. Fatale, M. Grioni, C. Jozwiak, A. Bostwick, E. Rotenberg, H. Bentmann and F. Reinert:
Volatile two-dimensional electron gas in ultrathin BaTiO3 films
Physical Review Materials 2, 094411 (2018),
selected as editor’s suggestion - G. Duvjir, B.-K. Choi, I. Jang, S. Ulstrup, S. Kang, T.-T. Ly, S. Kim, Y.-H. Choi, C. Jozwiak, A. Bostwick, E. Rotenberg, J.-G. Park, R. Sankar, K.-S. Kim, J. Kim and Y.-J. Chang:
Emergence of a metal-insulator transition and high temperature charge density waves in VSe2 at the monolayer limit
Nano Letters 18, 5432 (2018) - R. J. Koch, J. Katoch, S. Moser, D. Schwarz, R. K. Kawakami, A. Bostwick, E. Rotenberg, C. Jozwiak and S. Ulstrup:
Electronic structure of exfoliated and epitaxial hexagonal boron nitride
Physical Review Materials 2, 074006 (2018) - S. Ulstrup, P. Lacovig, F. Orlando, D. Lizzit, L. Bignardi, M. Dalmiglio, M. Bianchi, F. Mazzola, A. Baraldi, R. Larciprete, P. Hofmann and S. Lizzit:
Photoemission Investigation of Oxygen Intercalated Epitaxial Graphene on Ru(0001)
Surface Science 678, 57 (2018) - J. Katoch, S. Ulstrup, R. J. Koch, S. Moser, K. M. McCreary, S. Singh, J. Xu, B. T. Jonker, R. K. Kawakami, A. Bostwick, E. Rotenberg and C. Jozwiak:
Giant spin-splitting and gap renormalization driven by trions in single-layer WS2/h-BN heterostructures
Nature Physics 14, 355 (2018)
2017
- V. Jovic, S. Moser, S. Ulstrup, D. Goodacre, E. Dimakis, R. J. Koch, L. Moreschini, S.-K. Mo, C. Jozwiak, A. Bostwick, E. Rotenberg, T. Moustakas and K. E. Smith:
How Indium Nitride Senses Water
Nano Letters 17, 7339 (2017) - L. Moreschini, I. Lo Vecchio, N. P. Breznay, S. Moser, S. Ulstrup, R. Koch, J. Wirjo, C. Jozwiak, K. S. Kim, E. Rotenberg, A. Bostwick, J. G. Analytis and A. Lanzara:
Quasiparticles and charge transfer at the two surfaces of the honeycomb iridate Na2IrO3
Physical Review B: Rapid Communications 96, 161116(R) (2017) - S. Ulstrup, A. G. Cabo, D. Biswas, J. M. Riley, M. Dendzik, C. E. Sanders, M. Bianchi, C. Cacho, D. Matselyukh, R. T. Chapman, E. Springate, P. D. C. King, J. A. Miwa and P. Hofmann:
Spin and Valley Control of Free Carriers in Single-Layer WS2
Physical Review B: Rapid Communications 95, 041405(R) (2017)
2016
- S. Ulstrup, J. Katoch, R. J. Koch, D. Schwarz, S. Singh, K. M. McCreary, H. K. Yoo, J. Xu, B. T. Jonker, R. K. Kawakami, A. Bostwick, E. Rotenberg and C. Jozwiak:
Spatially Resolved Electronic Properties of Single-Layer WS2 on Transition Metal Oxides
ACS Nano 10, 10058 (2016) - M. Q. Arguilla, J. Katoch, K. Krymowski, N. D. Cultrara, J. Xu, X. Xi, A. Hanks, S. Jiang, R. D. Ross, R. J. Koch, S. Ulstrup, A. Bostwick, C. Jozwiak, D. McComb, E. Rotenberg, J. Shan, W. Windl, R. K. Kawakami and J. E. Goldberger:
NaSn2As2: An Exfoliatable Layered van der Waals Zintl Phase
ACS Nano 10, 9500 (2016) - S. Ulstrup, M. Schüler, M. Bianchi, F. Fromm, C. Raidel, T. Seyller, T. O. Wehling and P. Hofmann:
Manifestation of nonlocal electron-electron interaction in graphene
Physical Review B: Rapid Communications 94, 081403(R) (2016) - S. Ulstrup, A. G. Cabo, J. A. Miwa, J. M. Riley, S. S. Grønborg, J. C. Johannsen, C. Cacho, O. Alexander, R. T. Chapman, E. Springate, M. Bianchi, M. Dendzik, J. V. Lauritsen, P. D. C. King and P. Hofmann:
Ultrafast Band Structure Control of a Two-Dimensional Heterostructure
ACS Nano 10, 6315 (2016) - A. Bruix, J. A. Miwa, N. Hauptmann, D. Wegner, S. Ulstrup, S. S. Grønborg, C. E. Sanders, M. Dendzik, A. G. Cabo, M. Bianchi, J. V. Lauritsen, A. A. Khajetoorians, B. Hammer and P. Hofmann:
Single-Layer MoS2 on Au(111): Band gap renormalization and substrate interaction
Physical Review B 93, 165422 (2016)
2015
- A. G. Cabo, J. A. Miwa, S. S. Grønborg, J. M. Riley, J. C. Johannsen, C. Cacho, O. Alexander, R. T. Chapman, E. Springate, M. Grioni, J. V. Lauritsen, P. D. C. King, P. Hofmann and S. Ulstrup:
Observation of Ultrafast Free Carrier Dynamics in Single Layer MoS2
Nano Letters 15, 5883 (2015) - S. S. Grønborg, S. Ulstrup, M. Bianchi, M. Dendzik, C. E. Sanders, J. V. Lauritsen, P. Hofmann and J. A. Miwa:
Synthesis of Epitaxial Single-Layer MoS2 on Au(111)
Langmuir 31, 9700 (2015) - J. A. Miwa, M. Dendzik, S. S. Grønborg, M. Bianchi, J. V. Lauritsen, P. Hofmann and S. Ulstrup:
Van der Waals Epitaxy of Two-Dimensional MoS2-Graphene Heterostructures in Ultrahigh Vacuum
ACS Nano 9, 6502 (2015) - S. Ulstrup, J. C. Johannsen, F. Cilento, A. Crepaldi, J. A. Miwa, M. Zacchigna, C. Cacho, R. T. Chapman, E. Springate, F. Fromm, C. Raidel, T. Seyller, P. D. C. King, F. Parmigiani, M. Grioni and P. Hofmann:
Ramifications of Optical Pumping on the Interpretation of Time-Resolved Photoemission Experiments on Graphene
Journal of Electron Spectroscopy and Related Phenomena 200, 340 (2015) - S. Ulstrup, J. C. Johannsen, A. Crepaldi, F. Cilento, M. Zacchigna, C. Cacho, R. T. Chapman, E. Springate, F. Fromm, C. Raidel, T. Seyller, F. Parmigiani, M. Grioni and P. Hofmann:
Ultrafast Electron Dynamics in Epitaxial Graphene Investigated with Time- and Angle-Resolved Photoemission Spectroscopy
Journal of Physics: Condensed Matter 27, 164206 (2015) - L. Koefoed, M. Kongsfelt, S. Ulstrup, A. G. Cabo, A. Cassidy, P. Whelan, M. Bianchi, M. Dendzik, F. Pizzocchero, P. Bøggild, L. Hornekær, P. Hofmann, S. U. Pedersen, K. Daasbjerg:
Facile Electrochemical Transfer of Large-Area Single Crystal Epitaxial Graphene from Ir(111)
Journal of Physics D: Applied Physics 48, 115306 (2015) - J. A. Miwa, S. Ulstrup, S. G. Sørensen, M. Dendzik, A. G. Cabo, M. Bianchi, J. V. Lauritsen and P. Hofmann:
Electronic Structure of Epitaxial Single-Layer MoS2
Physical Review Letters 114, 046802 (2015) - J. C. Johannsen, S. Ulstrup, A. Crepaldi, F. Cilento, M. Zacchigna, J. A. Miwa, C. Cacho, R. T. Chapman, E. Springate, F. Fromm, C. Raidel, T. Seyller, P. D. C. King, F. Parmigiani, M. Grioni and P. Hofmann:
Tunable Hot Carrier Multiplication and Cooling in Graphene
Nano Letters 15, 326 (2015)
2014
- L. Omiciuolo, E. R. Hernández, E. Miniussi, F. Orlando, P. Lacovig, S. Lizzit, T. O. Menteş, A. Locatelli, R. Larciprete, M. Bianchi, S. Ulstrup, P. Hofmann, D. Alfé and A. Baraldi:
Bottom-Up Approach for the Low-Cost Synthesis of Graphene-Alumina Nanosheet Interfaces using Bimetallic Alloys
Nature Communications 5, 5062 (2014) - S. Ulstrup, M. Andersen, M. Bianchi, L. Barreto, B. Hammer, L. Hornekær and P. Hofmann:
Sequential Oxygen and Alkali Intercalation of Epitaxial Graphene on Ir(111): Enhanced Many-Body Effects and Formation of pn-Interfaces
2D Materials 1, 025002 (2014) - S. Ulstrup, J. C. Johannsen, F. Cilento, J. A. Miwa, A. Crepaldi, M. Zacchigna, C. Cacho, R. Chapman, E. Springate, S. Mammadov, F. Fromm, C. Raidel, T. Seyller, F. Parmigiani, M. Grioni, P. D. C. King and P. Hofmann:
Ultrafast Dynamics of Massive Dirac Fermions in Bilayer Graphene
Physical Review Letters 112, 257401 (2014),
selected as editor’s suggestion and featured in Physics 7, 68 (2014) - S. Ulstrup, J. C. Johannsen, M. Grioni and P. Hofmann:
Extracting the Temperature of Hot Carriers in Time- and Angle-Resolved Photoemission
Review of Scientific Instruments 85, 013907 (2014)
2013
- F. Mazzola, J. W. Wells, R. Yakimova, S. Ulstrup, J. A. Miwa, R. Balog, M. Bianchi, M. Leandersson, P. Hofmann and T. Balasubramanian:
Kinks in the σ Band of Graphene Induced by Electron-Phonon Coupling
Physical Review Letters 111, 216806 (2013) - X.-G. Zhu, M. Stensgaard, L. Barreto, W. S. e Silva, S. Ulstrup, M. Michiardi, M. Bianchi, M. Dendzik and P. Hofmann:
Three Dirac Points on the (110) Surface of the Topological Insulator Bi1−xSbx
New Journal of Physics 15, 103011 (2013) - S. Ulstrup, L. Nilsson, J. A. Miwa, R. Balog, M. Bianchi, L. Hornekær and P. Hofmann:
Electronic Structure of Graphene on a Reconstructed Pt(100) Surface: Hydrogen Adsorption, Doping and Band Gaps
Physical Review B 88, 125425 (2013) - J. C. Johannsen, S. Ulstrup, F. Cilento, A. Crepaldi, M. Zacchigna, C. Cacho, I. C. E. Turcu, E. Springate, F. Fromm, C. Raidel, T. Seyller, F. Parmigiani, M. Grioni and P. Hofmann:
Direct View of Hot Carrier Dynamics in Graphene
Physical Review Letters 111, 027403 (2013) - J. C. Johannsen, S. Ulstrup, M. Bianchi, R. Hatch, D. Guan, F. Mazzola, L. Hornekær, F. Fromm, C. Raidel, T. Seyller and P. Hofmann:
Electron-Phonon Coupling in Quasi-Free-Standing Graphene
Journal of Physics: Condensed Matter 25, 094001 (2013) - L. Barreto, E. Perkins, J. C. Johannsen, S. Ulstrup, F. Fromm, C. Raidel, T. Seyller and P. Hofmann:
Detecting the Local Transport Properties and the Dimensionality of Transport of Epitaxial Graphene by a Multi-Point Probe Approach
Applied Physics Letters 102, 033110 (2013)
2012
- S. Ulstrup, T. Frederiksen and M. Brandbyge:
Nonequilibrium Electron-Vibration Coupling and Conductance Fluctuations in a C60 Junction
Physical Review B 86, 245417 (2012) - R. Larciprete, S. Ulstrup, P. Lacovig, M. Dalmiglio, M. Bianchi, F. Mazzola, L. Hornekær, F. Orlando, A. Baraldi, P. Hofmann and S. Lizzit:
Oxygen Switching of the Epitaxial Graphene-Metal Interaction
ACS Nano 6, 9551 (2012),
selected as Research Highlight, Nature Materials 12, 12 January 2013. - S. Ulstrup, M. Bianchi, R. Hatch, D. Guan, A. Baraldi, D. Alfé, L. Hornekær and P. Hofmann:
High-Temperature Behaviour of Supported Graphene: Electron-Phonon Coupling and Substrate-Induced Doping
Physical Review B: Rapid Communications 86, 161402(R) (2012),
Erratum: Physical Review B: Rapid Communications 93, 239901(E) (2016)