Walter Schottky Institute
Center for Nanotechnology and Nanomaterials


Dr. Christoph Kastl

Dr. Christoph Kastl
Sub-Group Leader
Kastl sub group

Room 1.004
Tel.: (+49) 089 289 11455


Publications

Picoseconds-Limited Exciton Recombination in Metal–Organic Chalcogenides Hybrid Quantum Wells
ACS Nano 16, 3715–3722 (2022)
C. Kastl, A. Schwartzberg, L. Maserati
Online Ref
Thickness and defect dependent electronic, optical and thermoelectric features of WTe2
Scientific Reports 12, 12756 (2022)
I. Ozdemir, A. Holleitner, C. Kastl, O. Ü. Aktürk
Online Ref
Gate-Tunable Helical Currents in Commensurate Topological Insulator/Graphene Heterostructures
ACS Nano (2022)
J. Kiemle, L. Powalla, K. Polyudov, L. Gulati, M. Singh, A. Holleitner, M. Burghard, C. Kastl,
Online Ref
Berry curvature-induced local spin polarisation in gated graphene/WTe2 heterostructures
Nature Comm 13, 3152 (2022)
L. Powalla, J. Kiemle, E. J. König, A. P. Schnyder, J. Knolle , K. Kern, A.W. Holleitner, C. Kastl, M. Burghard
Online Ref
Defect-engineered magnetic field dependent optoelectronics of vanadium doped tungsten diselenide monolayers
accepted (2022)
K. Nisi, J. Kiemle, L. Powalla, A. Scavuzzo, T. Dung Nguyen, T. Taniguchi, K. Watanabe, D. Loc Duong, M. Burghard, A.W. Holleitner, C. Kastl
Spin-dependent vibronic response of a carbon radical ion in two-dimensional WS2
Nature Comm. 12, 7287 (2021)
K. A. Cochrane, J.-H. Lee, C. Kastl, J. B. Haber, T. Zhang, A. Kozhakhmetov, J. A. Robinson, M. Terrones, J. Repp, J. B. Neaton, A. Weber-Bargioni, and B. Schuler
Online Ref
Impact of domain disorder on optoelectronic properties of layered semimetal MoTe2
2D Materials 9, 011002 (2021)
M. Singh, J. Kiemle, I. Ozdemir, P. Zimmermann, T. Taniguchi, K. Watanabe, M. Burghard, O. Üzengi Aktürk, C. Kastl, A. W. Holleitner
Online Ref
The role of chalcogen vacancies for atomic defect emission in MoS2
Nature Communications 12, 3822 (2021)
E. Mitterreiter, B. Schuler, A. Micevic, D. Hernangómez-Pérez, K. Barthelmi, K. A. Cochrane, J. Kiemle, J. Klein, E. Wong, E. S. Barnard, M. Lorke, F. Jahnke, K. Watanabe, T. Taniguchi, J. J. Finley, A. M. Schwartzberg, D. Y. Qiu, S. Refaely-Abramson, A.W. Holleitner, A. Weber-Bargioni, C. Kastl
Online Ref
Gate-switchable arrays of quantum light emitters in contacted monolayer MoS2 van der Waals heterodevices
Nano Letters 21, 1040 (2021)
A. Hötger, J. Klein, K. Barthelmi, L. Sigl, F. Sigger, W. Männer, S. Gyger, M. Florian, M. Lorke, F. Jahnke, T. Taniguchi, K. Watanabe, K. D. Jöns, U. Wurstbauer, C. Kastl, K. Müller, J. J. Finley, A.W. Holleitner
Online Ref
Engineering the luminescence and generation of individual defect emitters in atomically thin MoS2
ACS Photonics 8, 669 (2021)
J. Klein, L. Sigl, S. Gyger, K. Barthelmi, M. Florian, S. Rey, T. Taniguchi, K. Watanabe, F. Jahnke, C. Kastl, V. Zwiller, K.D. Jöns, K. Mueller, U. Wurstbauer, J. Finley, A.W. Holleitner
Online Ref
Structuring Semiconductor Materials with Atomic Precision
Zeiss Microscopy November 2 (2020)
E. Mitterreiter, C. Kastl, A.W. Holleitner
Online Ref
Atomistic Positioning of Defects in Helium Ion Treated Single-Layer MoS2
Nano Letters 20, 4437 (2020)
E. Mitterreiter, B. Schuler, K. A. Cochrane, U. Wurstbauer, A. Weber-Bargioni, C. Kastl, A.W. Holleitner
Online Ref
Atomistic defects as single-photon emitters in atomically thin MoS2
APL Perspective 117, 070501 (2020)
K. Barthelmi, J. Klein, A. Hötger, L. Sigl, F. Sigger, E. Mitterreiter, S. Rey, S. Gyger, M. Lorke, M. Florian, F. Jahnke, T. Taniguchi, K. Watanabe, V. Zwiller, K.D. Jöns, U. Wurstbauer, C. Kastl, A. Weber-Bargioni, J.J. Finley, K. Müller, A.W. Holleitner
Online Ref
Anisotropic 2D Excitons Unveiled in Organic-Inorganic Quantum Wells
Materials Horizon (2020)
L. Maserati, S. Refaely-Abramson, C. Kastl, C. T. Chen, N. Borys, C. N. Eisler, M. S. Collins, T. E. Smidt, E. S. Barnard, M. Strasbourg, B. Shevitski, K. Yao, E. A. Schriber, J. N. Hohman, P. J. Schuck, S. Aloni, J. Neaton, A. M. Schwartzberg
Online Ref
Light-field and spin-orbit-driven currents in van der Waals materials
Nanophotonics 9, 2693 (2020)
J. Kiemle, P. Zimmermann, A.W. Holleitner, C. Kastl
Online Ref
Ultrafast and Local Optoelectronic Transport in Topological Insulators
Physica Status Solidi (b) 258, 2000033 (2020)
J. Kiemle, P. Seifert, A. W. Holleitner, C. Kastl
Online Ref
Large Spin-Orbit Splitting of Deep In-Gap Defect States of Engineered Sulfur Vacancies in Monolayer WS2
Phys. Rev. Lett. 123, 076801 (2019)
B. Schuler, D. Y. Qiu, S. Refaely-Abramson, C. Kastl, C.T. Chen, S. Barja, R. J. Koch, D. F. Ogletree, S. Aloni, A. M. Schwartzberg, J. B. Neaton, S. G. Louie, A. Weber-Bargioni
Online Ref
How Substitutional Point Defects in Two-Dimensional WS2 Induce Charge Localization, Spin-Orbit Splitting, and Strain
ACS nano (2019)
B. Schuler, J. Lee, C. Kastl, K. A. Cochrane, C. T. Chen, S. Refaely-Abramson, S. Yuan, E. van Veen, R. Roldan, N. J. Borys, R. J. Koch, S. Aloni, A. M. Schwartzberg, D. F. Ogletree, J. B. Neaton, A.Weber-Bargioni
Online Ref
Identifying substitutional oxygen as a prolific point defect in monolayer transition metal dichalcogenides
Nature Communications 10, 3382 (2019)
S. Barja, S. Refaely-Abramson, B. Schuler, D. Y. Qiu, A. Pulkin, S. Wickenburg, H. Ryu, M. M. Ugeda, C. Kastl, C. Chen, C. Hwang, A. Schwartzberg, S. Aloni, S.-K. Mo, D. F. Ogletree, M. F. Crommie, O. V. Yazyev, S. G. Louie, J. B. Neaton, A. Weber-Bargioni
Online Ref
Quantized Conductance in Topological Insulators Revealed by the Shockley-Ramo Theorem
Phys. Rev. Lett. 122, 146804 (2019)
P. Seifert, M. Kundinger, G. Shi, X. He, K. Wu, Y. Li, A.W. Holleitner, C. Kastl
Online Ref
In-plane anisotropy of the photon-helicity induced linear Hall effect in few-layer WTe2
Physical Review B 99, 161403 (R) (2019)
P. Seifert, F. Sigger, J. Kiemle, K. Watanabe, T. Taniguchi, C. Kastl, U. Wurstbauer, A.W. Holleitner
Online Ref
Disentangling the role of surface chemical interactions on interfacial charge transport at BiVO4 photoanodes
ACS Appl. Mater. Interf. 10, 35129 (2018)
J. Eichhorn, C. Kastl, A.M. Schwartzberg, I.D. Sharp, F.M. Toma
Online Ref
Nanoscale imaging of charge carrier transport limitations in BiVO4 photoanodes
Nature Communications 9, 2597 (2018)
J. Eichhorn, C. Kastl, J.K. Cooper, D. Ziegler, A.M. Schwartzberg, I.D. Sharp, F.M. Toma
Material aspects of 3D topological insulators
Encyclopedia of Interfacial Chemistry, 1st Edition (2017)
P. Seifert, C. Kastl, A. Holleitner
Online Ref
Optoelectronics of topological surfaces
Encyclopedia of Interfacial Chemistry, 1st Edition (2017)
P. Seifert, C. Kastl, A. Holleitner
Online Ref
Symmetry and toplogy concepts
Encyclopedia of Interfacial Chemistry, 1st Edition (2017)
P. Seifert, C. Kastl, A. Holleitner
Online Ref
Topological Insulators as Ultrafast Auston Switches in On-Chip THz-Circuits
IEEE J. Sel. topics Quantum Electron. 23, 8700305 (2017)
C. Kastl, C. Karnetzky, A. Brenneis, F. Langrieger, A. Holleitner
Online Ref
Quantized one-dimensional edge channels with strong spin-orbit coupling in 3D topological insulators
No Reference given. (2015)
C. Kastl, P. Seifert, X. He, K. Wu, Y. Li, A. Holleitner
Online Ref
Ultrafast helicity control of surface currents in topological insulators with near-unity fidelity
Nature Communications 6, 6617 (2015)
C. Kastl, C. Karnetzky, H. Karl, A. Holleitner
Online Ref
Chemical Potential Fluctuations in Topological Insulator BiSbTe Films Visualized by Photocurrent Spectroscopy
2D Materials 2 (2015)
C. Kastl, P. Seifert, X. He, K. Wu, Y. Li, A. Holleitner
Online Ref
Optoelectronic transport through quantum Hall edge states
New Journal of Physics 17, 23007 (2015)
C. Kastl, M. Stallhofer, D. Schuh, W. Wegscheider, A. Holleitner
Online Ref
Enlarged magnetic focusing radius of photoinduced ballistic currents
Phys. Rev. B 86, 115315 (2012)
M. Stallhofer, C. Kastl, M. Brändlein, D. Schuh, W. Wegscheider, J. Kotthaus, G. Abstreiter, A. Holleitner
Online Ref
Local photocurrent generation in thin films of the topological insulator Bi2Se3
Applied Physics Letters 101, 251110 (2012)
C. Kastl, T. Guan, X. Y. He, K. H. Wu, Y. Q. Li, A. Holleitner
Online Ref
Propagation length of mesoscopic photocurrents in a two-dimensional electron gas
Phys. Rev. B 86, 115313 (2012)
M. Stallhofer, C. Kastl, M. Brändlein, C. Karnetzky, D. Schuh, W. Wegscheider, A. Holleitner
Online Ref



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