Frank Volmer - Dissemin

All papers authored by Frank Volmer

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2023 Frank Volmer

, Manfred Ersfeld, Paulo E. Faria Junior, Lutz Waldecker

, Bharti Parashar, Lars Rathmann, Sudipta Dubey, Iulia Cojocariu

, Vitaliy Feyer

, Kenji Watanabe

, Takashi Taniguchi

, Claus M. Schneider, Lukasz Plucinski, Christoph Stampfer

, Jaroslav Fabian and 1 other authors

Twist angle dependent interlayer transfer of valley polarization from excitons to free charge carriers in WSe2/MoSe2 heterobilayers

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2022 Eike Icking

, Luca Banszerus

, Frederike Wörtche, Frank Volmer

, Philipp Schmidt, Corinne Steiner, Stephan Engels, Jonas Hesselmann, Matthias Goldsche, Kenji Watanabe

, Takashi Taniguchi

, Christian Volk, Bernd Beschoten

, Christoph Stampfer

Transport Spectroscopy of Ultraclean Tunable Band Gaps in Bilayer Graphene

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This paper was not found in any repository, but could be made available legally by the author.

Frank Volmer

, Timo Bisswanger

, Anne Schmidt, Christoph Stampfer

, Bernd Beschoten

Charge-Induced Artifacts in Nonlocal Spin-Transport Measurements: How to Prevent Spurious Voltage Signals

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Timo Bisswanger

, Zachary Winter, Anne Schmidt, Frank Volmer

, Kenji Watanabe

, Takashi Taniguchi

, Christoph Stampfer

, Bernd Beschoten

CVD Bilayer Graphene Spin Valves with 26 μm Spin Diffusion Length at Room Temperature

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2021 Frank Volmer

, Inga Seidler, Timo Bisswanger

, Jhih-Sian Tu, Lars R. Schreiber

, Christoph Stampfer

, Bernd Beschoten

How to solve problems in micro- and nanofabrication caused by the emission of electrons and charged metal atoms during e-beam evaporation

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2020 Manfred Ersfeld, Frank Volmer

, Lars Rathmann, Luca Kotewitz, Maximilian Heithoff, Mark Lohmann, Bowen Yang, Kenji Watanabe, Takashi Taniguchi, Ludwig Bartels, Jing Shi, Christoph Stampfer, Bernd Beschoten

Valley lifetimes of conduction band electrons in monolayer WSe2

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Frank Volmer

, Manfred Ersfeld, Lars Rathmann, Maximilian Heithoff, Luca Kotewitz, Mark Lohmann, Bowen Yang, Kenji Watanabe

, Takashi Taniguchi, Ludwig Bartels, Jing Shi, Christoph Stampfer, Bernd Beschoten

How Photoinduced Gate Screening and Leakage Currents Dynamically Change the Fermi Level in 2D Materials

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2019 Manfred Ersfeld, Frank Volmer

, Pedro Miguel M. C. de Melo, Robin de Winter, Maximilian Heithoff, Zeila Zanolli

, Christoph Stampfer, Matthieu J. Verstraete, Bernd Beschoten

Spin States Protected from Intrinsic Electron–Phonon Coupling Reaching 100 ns Lifetime at Room Temperature in MoSe2

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2017 Marc Drögeler, Luca Banszerus, Frank Volmer

, Takashi Taniguchi, Kenji Watanabe

, Bernd Beschoten

, Christoph Stampfer

Dry-transferred CVD graphene for inverted spin valve devices

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Marc Drögeler, Frank Volmer

, Christoph Stampfer

, Bernd Beschoten

Simulations on the Influence of Spatially Varying Spin Transport Parameters on the Measured Spin Lifetime in Graphene Non-Local Spin Valves

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F. Volmer

, S. Pissinger, M. Ersfeld, S. Kuhlen, C. Stampfer, B. Beschoten

Intervalley dark trion states with spin lifetimes of 150 ns in WSe2

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2016 Marc Drögeler, Christopher Franzen, Frank Volmer

, Tobias Pohlmann, Luca Banszerus, Maik Wolter, Kenji Watanabe, Takashi Taniguchi, Christoph Stampfer, Bernd Beschoten

Spin Lifetimes Exceeding 12 ns in Graphene Nonlocal Spin Valve Devices

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2015 F. Volmer

, M. Drögeler, G. Güntherodt, C. Stampfer, B. Beschoten

Spin and charge transport in graphene-based spin transport devices with Co/MgO spin injection and spin detection electrodes

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Marc Drögeler, Frank Volmer

, Maik Wolter, Kenji Watanabe, Takashi Taniguchi, Daniel Neumaier, Christoph Stampfer, Bernd Beschoten

Nanosecond spin lifetimes in bottom-up fabricated bilayer graphene spin-valves with atomic layer deposited Al$_2$O$_3$ spin injection and detection barriers

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2014 Frank Volmer

, Marc Drögeler, Tobias Pohlmann, Gernot G\n̈therodt, Gernot Güntherodt, Christoph Stampfer, Bernd Beschoten

Contact-induced charge contributions to non-local spin transport measurements in Co/MgO/graphene devices

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F. Volmer

, M. Drögeler, E. Maynicke, N. von den Driesch

, M. L. Boschen, G. Güntherodt, C. Stampfer, B. Beschoten

Suppression of contact-induced spin dephasing in graphene/MgO/Co spin-valve devices by successive oxygen treatments

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Marc Drögeler, Frank Volmer

, Maik Wolter, Bernat Terrés, Kenji Watanabe, Takashi Taniguchi, Gernot Güntherodt, Christoph Stampfer, Bernd Beschoten

Nanosecond Spin Lifetimes in Single- and Few-Layer Graphene-hBN Heterostructures at Room Temperature

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2013 F. Volmer

, M. Drögeler, E. Maynicke, N. von den Driesch

, M. L. Boschen, G. Güntherodt, B. Beschoten

Role of MgO barriers for spin and charge transport in Co/MgO/graphene nonlocal spin-valve devices

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2011 T.-Y. Yang, J. Balakrishnan, F. Volmer

, A. Avsar, M. Jaiswal

, J. Samm, S. R. Ali, A. Pachoud, M. Zeng, M. Popinciuc, G. Güntherodt, B. Beschoten, B. Özyilmaz

Observation of Long Spin Relaxation Times in Bilayer Graphene at Room Temperature

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All papers authored by Frank Volmer