Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Zellekens, P."'
Autor:
Zellekens, Patrick, Deacon, Russell S., Basaric, Farah, Juluri, Raghavendra, Randle, Michael D., Bennemann, Benjamin, Krause, Christoph, Zimmermann, Erik, Sanchez, Ana M., Grützmacher, Detlev, Pawlis, Alexander, Ishibashi, Koji, Schäpers, Thomas
Phase winding effects in hollow semiconductor nanowires with superconducting shells have been proposed as a route to engineer topological superconducting states. We investigate GaAs/InAs core/shell nanowires with half-shells of epitaxial aluminium as
Externí odkaz:
http://arxiv.org/abs/2402.13880
Autor:
Randle, Michael D., Hosoda, Masayuki, Deacon, Russell S., Ohtomo, Manabu, Zellekens, Patrick, Watanabe, Kenji, Taniguchi, Takashi, Okazaki, Shota, Sasagawa, Takao, Kawaguchi, Kenichi, Sato, Shintaro, Ishibashi, Koji
Systems combining superconductors with topological insulators offer a platform for the study of Majorana bound states and a possible route to realize fault tolerant topological quantum computation. Among the systems being considered in this field, mo
Externí odkaz:
http://arxiv.org/abs/2302.09776
Autor:
Zellekens, Patrick, Deacon, Russell, Perla, Pujitha, Grützmacher, Detlev, Lepsa, Mihail Ion, Schäpers, Thomas, Ishibashi, Koji
Josephson junctions based on semiconductor nanowires are potential building blocks for electrically tunable qubit structures, e.g. the gatemon or the Andreev qubit. However, an actual realization requires the thorough investigation of the intrinsic e
Externí odkaz:
http://arxiv.org/abs/2112.08983
Autor:
Perla, Pujitha, Faustmann, Anton, Koelling, Sebastian, Zellekens, Patrick, Deacon, Russell, Fonseka, H. Aruni, Kölzer, Jonas, Sato, Yuki, Sanchez, Ana M., Moutanabbir, Oussama, Ishibashi, Koji, Grützmacher, Detlev, Lepsa, Mihail Ion, Schäpers, Thomas
Semiconductor nanowires have emerged as versatile components in superconducting hybrid devices for Majorana physics and quantum computing. The transport properties of nanowires can be tuned either by field-effect or doping. We investigated a series o
Externí odkaz:
http://arxiv.org/abs/2110.09352
Autor:
Perla, Pujitha, Fonseka, H. Aruni, Zellekens, Patrick, Deacon, Russell, Han, Yisong, Kölzer, Jonas, Mörstedt, Timm, Bennemann, Benjamin, Ishibashi, Koji, Grützmacher, Detlev, Sanchez, Ana M., Lepsa, Mihail Ion, Schäpers, Thomas
Josephson junctions based on InAs semiconducting nanowires and Nb superconducting electrodes are fabricated in-situ by a special shadow evaporation scheme for the superconductor electrode. Compared to other metallic superconductors such as Al, Nb has
Externí odkaz:
http://arxiv.org/abs/2011.06517
Autor:
Zellekens, Patrick, Deacon, Russell, Perla, Pujitha, Fonseka, H. Aruni, Moerstedt, Timm, Hindmarsh, Steven A., Bennemann, Benjamin, Lentz, Florian, Lepsa, Mihail Ion, Sanchez, Ana M., Grützmacher, Detlev, Ishibashi, Koji, Schäpers, Thomas
Publikováno v:
Phys. Rev. Applied 14, 054019 (2020)
Superconductor/semiconductor-nanowire hybrid structures can serve as versatile building blocks to realize Majorana circuits or superconducting qubits based on quantized levels such as Andreev qubits. For all these applications it is essential that th
Externí odkaz:
http://arxiv.org/abs/2004.09839
Autor:
Zellekens, P., Demarina, N., Janßen, J., Rieger, T., Lepsa, M. I., Perla, P., Panaitov, G., Lüth, H., Grützmacher, D., Schäpers, T.
Publikováno v:
Semicond. Sci. Technol. (2020)
Low-temperature magnetotransport measurements are performed on GaAs/InSb core-shell nanowires. The nanowires were self-catalyzed grown by molecular beam epitaxy. The conductance measurements as a function of back-gate voltage show an ambipolar behavi
Externí odkaz:
http://arxiv.org/abs/1911.05510
Autor:
Patrick Zellekens, Russell S. Deacon, Pujitha Perla, Detlev Grützmacher, Mihail Ion Lepsa, Thomas Schäpers, Koji Ishibashi
Publikováno v:
Communications Physics, Vol 5, Iss 1, Pp 1-9 (2022)
Josephson junctions, comprised of semiconducting nanowires, can be used to design qubit architectures but for the successful application, it is necessary to study their intrinsic excitation spectrum. Here, the authors adapt a flip-chip method to real
Externí odkaz:
https://doaj.org/article/53c219bdfdf143e0b358ca82bde4680e
Autor:
Signorello, G., Schraff, M., Zellekens, P., Drechsler, U., Buerge, M., Steinauer, H. R., Heller, R., Tschudy, M., Riel, H.
We present an automatic measurement platform that enables the characterization of nanodevices by electrical transport and optical spectroscopy as a function of uniaxial stress. We provide insights into and detailed descriptions of the mechanical devi
Externí odkaz:
http://arxiv.org/abs/1704.01394
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