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Zero-Energy Modes from Coalescing Andreev States in a Two-Dimensional Semiconductor-Superconductor Hybrid Platform.
Suominen, H J; Kjaergaard, M; Hamilton, A R; Shabani, J; Palmstrøm, C J; Marcus, C M; Nichele, F.
Afiliación
  • Suominen HJ; Center for Quantum Devices and Station Q Copenhagen, Niels Bohr Institute, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark.
  • Kjaergaard M; Center for Quantum Devices and Station Q Copenhagen, Niels Bohr Institute, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark.
  • Hamilton AR; Center for Quantum Devices and Station Q Copenhagen, Niels Bohr Institute, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark.
  • Shabani J; School of Physics, University of New South Wales, Sydney, New South Wales 2052, Australia.
  • Palmstrøm CJ; California NanoSystems Institute, University of California, Santa Barbara, California 93106, USA.
  • Marcus CM; Center for Quantum Phenomena, Physics Department, New York University, New York 10031, USA.
  • Nichele F; California NanoSystems Institute, University of California, Santa Barbara, California 93106, USA.
Phys Rev Lett ; 119(17): 176805, 2017 Oct 27.
Article en En | MEDLINE | ID: mdl-29219474
We investigate zero-bias conductance peaks that arise from coalescing subgap Andreev states, consistent with emerging Majorana zero modes, in hybrid semiconductor-superconductor wires defined in a two-dimensional InAs/Al heterostructure using top-down lithography and gating. The measurements indicate a hard superconducting gap, ballistic tunneling contact, and in-plane critical fields up to 3 T. Top-down lithography allows complex geometries, branched structures, and straightforward scaling to multicomponent devices compared to structures made from assembled nanowires.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2017 Tipo del documento: Article País de afiliación: Dinamarca Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2017 Tipo del documento: Article País de afiliación: Dinamarca Pais de publicación: Estados Unidos