Universität zu Köln

Journal Article

Ehlen, Niels, Hall, Joshua, Senkovskiy, Boris, V, Hell, Martin, Li, Jun ORCID: 0000-0002-7486-5416, Herman, Alexander, Smirnov, Dmitry, Fedorov, Alexander ORCID: 0000-0002-9228-7082, Voroshnin, Vladimir Yu, Di Santo, Giovanni, Petaccia, Luca, Michely, Thomas and Grueneis, Alexander (2019). Narrow photoluminescence and Raman peaks of epitaxial MoS2 on graphene/Ir(111). 2D Mater., 6 (1). BRISTOL: IOP PUBLISHING LTD. ISSN 2053-1583

Ehlen, Niels ORCID: 0000-0002-8581-8359, Hell, Martin, Marini, Giovanni, Hasdeo, Eddwi Hesky ORCID: 0000-0002-4873-2927, Saito, Riichiro ORCID: 0000-0002-3336-9985, Falke, Yannic, Goerbig, Mark Oliver, Di Santo, Giovanni, Petaccia, Luca, Profeta, Gianni ORCID: 0000-0002-0535-7573 and Grueneis, Alexander (2020). Origin of the Flat Band in Heavily Cs-Doped Graphene. ACS Nano, 14 (1). S. 1055 - 1070. WASHINGTON: AMER CHEMICAL SOC. ISSN 1936-086X

Falke, Yannic, Senkovskiy, Boris, V, Ehlen, Niels, Wysocki, Lena, Marangoni, Tomas, Durr, Rebecca A., Chernov, Alexander, I, Fischer, Felix R. and Grueneis, Alexander (2020). Photothermal Bottom-up Graphene Nanoribbon Growth Kinetics. Nano Lett., 20 (7). S. 4761 - 4768. WASHINGTON: AMER CHEMICAL SOC. ISSN 1530-6992

Hell, Martin, Ehlen, Niels, Marini, Giovanni, Falke, Yannic, Senkovskiy, Boris, V, Herbig, Charlotte, Teichert, Christian, Jolie, Wouter, Michely, Thomas, Avila, Jose, Di Santo, Giovanni, de la Torre, Diego M., Petaccia, Luca, Profeta, Gianni ORCID: 0000-0002-0535-7573 and Grueneis, Alexander (2020). Massive and massless charge carriers in an epitaxially strained alkali metal quantum well on graphene. Nat. Commun., 11 (1). LONDON: NATURE PUBLISHING GROUP. ISSN 2041-1723

Hell, Martin G., Ehlen, Niels, Senkovskiy, Boris V., Hasdeo, Eddwi H., Fedorov, Alexander, Dombrowski, Daniela, Busse, Carsten, Michely, Thomas, di Santo, Giovanni, Petaccia, Luca, Saito, Riichiro and Grüneis, Alexander (2018). Resonance Raman spectrum of doped epitaxial graphene at the Lifshitz transition. Nano letters. ACS Publications. ISSN 1530-6992

Hell, Martin G., Falke, Yannic, Bliesener, Andrea, Ehlen, Niels, Senkovskiy, Boris V. ORCID: 0000-0003-1443-6780, Szkopek, Thomas and Grueneis, Alexander (2018). Combined Ultra High Vacuum Raman and Electronic Transport Characterization of Large-Area Graphene on SiO2. Phys. Status Solidi B-Basic Solid State Phys., 255 (12). WEINHEIM: WILEY-V C H VERLAG GMBH. ISSN 1521-3951

Jolie, Wouter, Knispel, Timo, Ehlen, Niels ORCID: 0000-0002-8581-8359, Nikonov, Konstantin, Busse, Carsten ORCID: 0000-0001-5522-0578, Grueneis, Alexander and Michely, Thomas (2019). Charge density wave phase of VSe2 revisited. Phys. Rev. B, 99 (11). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Murray, Clifford, Jolie, Wouter, Fischer, Jeison A., Hall, Joshua, van Efferen, Camiel, Ehlen, Niels ORCID: 0000-0002-8581-8359, Grueneis, Alexander, Busse, Carsten and Michely, Thomas (2019). Comprehensive tunneling spectroscopy of quasifreestanding MoS2 on graphene on Ir(111). Phys. Rev. B, 99 (11). COLLEGE PK: AMER PHYSICAL SOC. ISSN 2469-9969

Nikonov, Konstantin, Ehlen, Niels, Senkovskiy, Boris, Saigal, Nihit, Fedorov, Alexander ORCID: 0000-0002-9228-7082, Nefedov, Alexei, Woell, Christof, Di Santo, Giovanni, Petaccia, Luca and Grueneis, Alexander (2018). Synthesis and spectroscopic characterization of alkali-metal intercalated ZrSe2. Dalton Trans., 47 (9). S. 2986 - 2992. CAMBRIDGE: ROYAL SOC CHEMISTRY. ISSN 1477-9234

Nikonov, Konstantin, Ehlen, Niels, Senkovskiy, Boris, Saigal, Nihit, Fedorov, Alexander, Nefedov, Alexei, Wöll, Christoph, di Santo, Giovanni, Petaccia, Luca and Grüneis, Alexander (2017). Synthesis and spectroscopic characterization of alkali-metal intercalated ZrSe2. Dalton Transactions, 47. pp. 2986-2991. RSC publishing. ISSN 1477-9226

Senkovskiy, Boris V. ORCID: 0000-0003-1443-6780, Usachov, Dmitry Yu, Fedorov, Alexander V., Haberer, Danny, Ehlen, Niels, Fischer, Felix R. and Grueneis, Alexander (2018). Finding the hidden valence band of N=7 armchair graphene nanoribbons with angle-resolved photoemission spectroscopy. 2D Mater., 5 (3). BRISTOL: IOP PUBLISHING LTD. ISSN 2053-1583

Senkovskiy, Boris V., Usachov, Dmitry Yu., Fedorov, Alexander V., Haberer, Danny, Ehlen, Niels, Fischer, Felix R. and Gruneis, Alexander (2018). Finding the hidden valence band of N=7 armchair graphene nanoribbons with angle-resolved photoemission spectroscopy. 2D Materials. IOP Publishing. ISSN 2053-1583

Valerius, Philipp, Kretschmer, Silvan, Senkovskiy, Boris V. ORCID: 0000-0003-1443-6780, Wu, Shilong, Hall, Joshua, Herman, Alexander, Ehlen, Niels, Ghorbani-Asl, Mahdi, Grueneis, Alexander, Krasheninnikov, Arkady V. and Michely, Thomas (2020). Reversible crystalline-to-amorphous phase transformation in monolayer MoS2 under grazing ion irradiation. 2D Mater., 7 (2). BRISTOL: IOP PUBLISHING LTD. ISSN 2053-1583

Voroshnin, Vladimir ORCID: 0000-0002-9320-1180, Tarasov, Artem V., Bokai, Kirill A., Chikina, Alla ORCID: 0000-0003-3635-6503, Senkovskiy, Boris V., Ehlen, Niels ORCID: 0000-0002-8581-8359, Usachov, Dmitry Yu., Gruneis, Alexander ORCID: 0000-0003-2448-6060, Krivenkov, Maxim, Sanchez-Barriga, Jaime and Fedorov, Alexander ORCID: 0000-0002-9228-7082 (2022). Direct Spectroscopic Evidence of Magnetic Proximity Effect in MoS2 Monolayer on Graphene/Co. ACS Nano, 16 (5). S. 7448 - 7457. WASHINGTON: AMER CHEMICAL SOC. ISSN 1936-086X

Thesis

Ehlen, Niels ORCID: 0000-0002-8581-8359 (2021). Electronic Structure Engineering via Functionalization of Two-Dimensional Quantum Materials. PhD thesis, Universität zu Köln.