Zobrazeno 1 - 10
of 788
pro vyhledávání: '"Schönenberger C"'
Autor:
Cheung, L. Y., Haller, R., Kononov, A., Ciaccia, C., Ungerer, J. H., Kanne, T., Nygård, J., Winkel, P., Reisinger, T., Pop, I. M., Baumgartner, A., Schönenberger, C.
In a superconducting weak link, the supercurrent is carried by Andreev bound states (ABSs) formed by the phase-coherent reflection of electrons and their time-reversed partners. A single, highly transmissive ABS can serve as an ideal, compact two-lev
Externí odkaz:
http://arxiv.org/abs/2310.15995
Autor:
Ungerer, J. H., Kwon, P. Chevalier, Patlatiuk, T., Ridderbos, J., Kononov, A., Sarmah, D., Bakkers, E. P. A. M., Zumbühl, D., Schönenberger, C.
Publikováno v:
Mater. Quantum. Technol. 3 031001 (2023)
Spin qubits in germanium are a promising contender for scalable quantum computers. Reading out of the spin and charge configuration of quantum dots formed in Ge/Si core/shell nanowires is typically performed by measuring the current through the nanow
Externí odkaz:
http://arxiv.org/abs/2211.00763
Publikováno v:
Communications Physics 6, 190 (2023)
Hybridization is a very fundamental quantum mechanical phenomenon, with the text book example of binding two hydrogen atoms in a hydrogen molecule. In semiconductor physics, a quantum dot (QD) can be considered as an artificial atom, with two coupled
Externí odkaz:
http://arxiv.org/abs/2111.00651
Magnetic, thermal, and topographic imaging with a nanometer-scale SQUID-on-cantilever scanning probe
Autor:
Wyss, M., Bagani, K., Jetter, D., Marchiori, E., Vervelaki, A., Gross, B., Ridderbos, J., Gliga, S., Schönenberger, C., Poggio, M.
Publikováno v:
Phys. Rev. Appl. 17, 034002 (2022)
Scanning superconducting quantum interference device (SQUID) microscopy is a magnetic imaging technique combining high-field sensitivity with nanometer-scale spatial resolution. State-of-the-art SQUID-on-tip probes are now playing an important role i
Externí odkaz:
http://arxiv.org/abs/2109.06774
Autor:
Mergenthaler, M., Schupp, F. J., Nersisyan, A., Ares, N., Baumgartner, A., Schönenberger, C., Briggs, G. A. D., Leek, P. J., Laird, E. A.
A supercurrent transistor is a superconductor-semiconductor hybrid device in which the Josephson supercurrent is switched on and off using a gate voltage. While such devices have been studied using DC transport, radio-frequency measurements allow for
Externí odkaz:
http://arxiv.org/abs/2103.16256
Autor:
Ramezani, M., Sampaio, I. Correa, Watanabe, K., Taniguchi, T., Schönenberger, C., Baumgartner, A.
We demonstrate superconducting vertical interconnect access (VIA) contacts to a monolayer of molybdenum disulfide (MoS$_2$), a layered semiconductor with highly relevant electronic and optical properties. As a contact material we use MoRe, a supercon
Externí odkaz:
http://arxiv.org/abs/2102.06227
Autor:
Jünger, C., Delagrange, R., Chevallier, D., Lehmann, S., Dick, K. A., Thelander, C., Klinovaja, J., Loss, D., Baumgartner, A., Schönenberger, C.
Publikováno v:
Phys. Rev. Lett. 125, 017701 (2020)
Sub-gap states in semiconducting-superconducting nanowire hybrid devices are controversially discussed as potential topologically non-trivial quantum states. One source of ambiguity is the lack of an energetically and spatially well defined tunnel sp
Externí odkaz:
http://arxiv.org/abs/2001.07666
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Autor:
Jünger, C., Baumgartner, A., Delagrange, R., Chevallier, D., Lehmann, S., Nilsson, M., Dick, K. A., Thelander, C., Schönenberger, C.
Publikováno v:
Communications Physics 2, 76 (2019)
The superconducting proximity effect has been the focus of significant research efforts over many years and has recently attracted renewed interest as the basis of topologically non-trivial states in materials with a large spin orbit interaction, wit
Externí odkaz:
http://arxiv.org/abs/1812.06850
Publikováno v:
Phys. Rev. Applied 10, 044053 (2018)
Graphene is an ideal material for spin transport as very long spin relaxation times and lengths can be achieved even at room temperature. However, electrical spin injection is challenging due to the conductivity mismatch problem. Spin pumping driven
Externí odkaz:
http://arxiv.org/abs/1806.09356