Publications

-2017-

Aharonov-Bohm oscillations and magnetic focusing in ballistic graphene rings
J. Dauber, M. Oellers, F. Venn, A. Epping, K. Watanabe, T. Taniguchi, F. Hassler, and C. Stampfer
Phys. Rev. B 96, 205407 (2017)

Raman Spectroscopy of Lithographically Defined Graphene Nanoribbons – Influence of Size and Defects
F. Kampmann, N. Scheuschner, B. Terrés, D. Jörger, C. Stampfer, and J. Maultzsch
Annalen der Physik ASAP, (2017)

Carrier Dynamics in Graphene: Ultrafast Many-Particle Phenomena
E. Malic, T. Winzer, F. Wendler, S. Brem, R. Jago, A. Knorr, M. Mittendorff, J. C. König-Otto, T. Plötzing, D. Neumaier, H. Schneider, M. Helm, and S. Winnerl
Annalen der Physik, 1700038 (2017)

High quality factor graphene-based 2D heterostructure mechanical resonator
M. Will, M. Hamer, M. Müller, A. Noury, P. Weber, A. Bachtold, R. V. Gorbachev, C. Stampfer, and J. Güttinger
Nano Lett. 17, 5950 (2017)

From diffusive to ballistic transport in etched graphene constrictions and nanoribbons
S. Somanchi, B. Terrés, J. Peiro, M. Staggenborg, K. Watanabe, T. Taniguchi, B. Beschoten, and C. Stampfer
Annalen der Physik 529, 1700082 (2017)

Graphene photodetectors with a bandwidth> 76 GHz fabricated in a 6″ wafer process line
D. Schall, C. Porschatis, M. Otto and D. Neumaier
J. Phys. D: Appl. Phys 50, 124004 (2017)

Dry transfer of CVD graphene using MoS2-based stamps
L. Banszerus, K. Watanabe, T. Taniguchi, B. Beschoten, and C. Stampfer Physica Status Solidi (RRL) 11, 1700136 (2017)

Low resistive edge contacts to CVD-grown graphene using a CMOS compatible metal
M. Shaygan, M. Otto, A. A. Sagade, C. A. Chavarin, G. Bacher, W. Mertin and D. Neumaier
Annalen der Physik, 1600410 (2017)

The integration of graphene into microelectronic devices
G Ruhl, S Wittmann, M Koenig and D Neumaier
Beilstein Journal of Nanotechnology 8 (1), 1056-1064 (2017)

Simulations on the gate dependent spin lifetime in graphene non-local spin valve devices
M. Drögeler, F. Volmer, C. Stampfer, and B. Beschoten, Physica Status Solidi B , 1700293 (2017)

Identifying suitable substrates for high-quality graphene-based heterostructures
L. Banszerus, H. Janssen, M. Otto, A. Epping, T. Taniguchi, K. Watanabe, B. Beschoten, D. Neumaier and C. Stampfer
2D Materials 4, 025030 (2017)

High-quality dry transferred CVD bilayer graphene
M. Schmitz, S. Engels, L. Banszerus, K. Watanabe, T. Taniguchi, C. Stampfer, B. Beschoten, Appl. Phys. Lett. 111, 152402 (2017)

Graphene Quantum Dots Probed by Scanning Tunneling Microscopy
M. Morgenstern, N. Freitag, A. Nent, P. Nemes-Incze, and M. Liebmann
Annalen der Physik ASAP (2017)

A two-dimensional Dirac fermion microscope
P. Bøggild, J. M. Caridad, C. Stampfer, G. Calogero, N. R. Papior, and M. Brandbyge,
Nature Communications 8, 15783 (2017)

Bi1Te1 is a dual topological insulator
M. Eschbach, M. Lanius, C. Niu, E. Młyńczak, P. Gospodarič, J. Kellner, P. Schüffelgen, M. Gehlmann, S. Döring, E. Neumann, M. Luysberg, G. Mussler, L. Plucinski, M. Morgenstern, D. Grützmacher, G. Bihlmayer, S. Blügel, and C. M.
, Schneider
Nature Communications 8, 14976 (2017)

Probing the Nodal Structure of Landau Level Wave Functions in Real Space J. R. Bindel, J. Ulrich, M. Liebmann, and M. Morgenstern
Phys. Rev. Lett. 118, 16803 (2017)

Tuning the Pseudospin Polarization of Graphene by a Pseudomagnetic Field
A. Georgi, P. Nemes-Incze, R. Carrillo-Bastos, D. Faria, S. Viola Kusminskiy, D. Zhai, M. Schneider, D. Subramaniam, T. Mashoff, N. M. Freitag, M. Liebmann, M. Pratzer, L. Wirtz, C. R. Woods, R. V. Gorbachev, Y. Cao, K. S. Novoselov, N. Sandler, and M. Morgenstern
Nano Letters 17, 2240 (2017)

Inter-valley dark trion states with spin lifetimes of 150 ns in WSe2
F. Volmer, S. Pissinger, M. Ersfeld, S. Kuhlen, C. Stampfer, and B. Beschoten
Phys. Rev. B 95, 235408 (2017)

Large-area MoS2 deposition via MOVPE
M. Marx, S. Nordmann, J. Knoch, C. Franzen, C. Stampfer, D. Andrzejewski, T. Kümmell, G. Bacher, M. Heuken, H. Kalisch, and A. Vescan
Journal of Crystal Growth 464, 100 (2017)

-2016-

Towards the predicted high performance of waveguide integrated electro-refractive phase modulators based on graphene
Muhammad Mohsin, Daniel Schall, Martin Otto, Bartos Chmielak, Stephan Suckow, Daniel Neumaier
IEEE Photonics Journal,  9 Issue 1, (2016)

Complex effective index in graphene-silicon waveguides
Vito Sorianello, Gabriele De Angelis, Tommaso Cassese, Michele Midrio, Marco Romagnoli, Muhammad Mohsin, Martin Otto, Daniel Neumaier, Inge Asselberghs, Joris Van Campenhout, Cedric Huyghebaert
Optics Express 24, no. 26, 29984 (2016)

Contact-free High-resolution Conductivity Mapping of Large-area Graphene Covered with an Ion Gel Top-gate
Simon Sawallich, Muhammad Mohsin, Christopher Matheisen, Daniel Neumaier, Michael Nagel
IEEE 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz) (2016)

Flexible Hall Sensors Based on Graphene
Zhenxing Wang, Mehrdad Shaygan, Martin Otto, Daniel Schall, Daniel Neumaier
Nanoscale 8, 7683 (2016)

Infrared transparent graphene heater for silicon photonic integrated circuits
Daniel Schall, Muhammad Mohsin, Abhay A. Sagade, Martin Otto, Bartos Chmielak, Stephan Suckow, Anna Lena Giesecke, Daniel Neumaier, and Heinrich Kurz
Optics Express 24, 7871 (2016)

Encapsulated graphene-based Hall sensors on foil with increased sensitivity
Z. Wang, L. Banszerus, M. Otto, K. Watanabe, T. Taniguchi, C. Stampfer, D. Neumaier
Physica Status Solidi B 253, 2316 (2016)

Controlled generation of a pn-junction in a waveguide integrated graphene photodetector
Simone Schuler, Daniel Schall, Daniel Neumaier, Lukas Dobusch, Ole Bethge, Benedikt Schwarz, Michael Krall, and Thomas Mueller
Nano Letters, Just Accepted Manuscript (2016), 10.1021/acs.nanolett.6b03374

Apparent rippling with honeycomb symmetry and tunable periodicity observed by scanning tunneling microscopy on suspended graphene
A. Georgi, P. Nemes-Incze, B. Szafranek, D. Neumaier, V. Geringer, M. Liebmann, and M. Morgenstern
  Phys. Rev. B 94, 184302 (2016); doi:10.1103/PhysRevB.94.184302

Spin mapping of surface and bulk Rashba states in ferroelectric $ensuremath{alpha}$-GeTe(111) films
H. J. Elmers, R. Wallauer, M. Liebmann, J. Kellner, M. Morgenstern, R. N. Wang, J. E. Boschker, R. Calarco, J. Sánchez-Barriga, O. Rader, D. Kutnyakhov, S. V. Chernov, K. Medjanik, C. Tusche, M. Ellguth, H. Volfova, S. Borek, J. Braun, J. Minár, H. Ebert, and G. Schönhense

Phys. Rev. B 94, 201403 (2016); doi:10.1103/PhysRevB.94.201403

Probing variations of the Rashba spin-orbit coupling at the nanometre scale
J. R. Bindel, M. Pezzotta, J. Ulrich, M. Liebmann, E. Y. Sherman, and M. Morgenstern
 
Nature Physics 12, 920 (2016)

Electrostatically Confined Monolayer Graphene Quantum Dots with Orbital and Valley Splittings
N. M. Freitag, L. A. Chizhova, P. Nemes-Incze, C. R. Woods, R. V. Gorbachev, Y. Cao, A. K. Geim, K. S. Novoselov, J. Burgdörfer, F. Libisch, and M. Morgenstern Nano Letters 16, 5798-5805 (2016); doi:10.1021/acs.nanolett.6b02548

Electronic Structure of the Dark Surface of the Weak Topological Insulator Bi14Rh3I9
C. Pauly, B. Rasche, K. Koepernik, M. Richter, S. Borisenko, M. Liebmann, M. Ruck, J. van den Brink, and M. Morgenstern

ACS Nano 10, 3995-4003 (2016); doi:10.1021/acsnano.6b00841

Giant Rashba-Type Spin Splitting in Ferroelectric GeTe(111)
M. Liebmann, C. Rinaldi, D. Di Sante, J. Kellner, C. Pauly, R. N. Wang, J. E. Boschker, A. Giussani, S. Bertoli, M. Cantoni, L. Baldrati, M. Asa, I. Vobornik, G. Panaccione, D. Marchenko, J. Sánchez-Barriga, O. Rader, R. Calarco, S. Picozzi, R. Bertacco, and M. Morgenstern
 
Advanced Materials 28, 560-565 (2016); doi:10.1002/adma.201503459

Graphene quantum dots: wave function mapping by scanning tunneling spectroscopy and transport spectroscopy of quantum dots prepared by local anodic oxidation
M. Morgenstern, N. Freitag, A. Vaid, M. Pratzer, and M. Liebmann  physica status solidi (RRL) – Rapid Research Letters 10, 24-38 (2016); doi:10.1002/pssr.201510164