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@INPROCEEDINGS{Basaric:1009385,
      author       = {Basaric, Farah and Zellekens, Patrick and Deacon, Russell
                      and Kaladzhian, Mane and Bennemann, Benjamin and
                      Grützmacher, Detlev and Pawlis, Alexander and Ishibashi,
                      Koji and Schäpers, Thomas},
      title        = {{F}lux-periodic oscillations in the transport properties of
                      core/shell {G}a{A}s/{I}n{A}s nanowires equipped with normal
                      and superconducting contacts},
      reportid     = {FZJ-2023-02791},
      year         = {2023},
      abstract     = {In epitaxial GaAs/InAs core/shell nanowires, the charge
                      carriers are confined in the tubular conductor inside the
                      InAs shell. The radial symmetry of the electronic system
                      allows the electronic transport to be controlled using an
                      axially aligned magnetic field via the Aharonov-Bohm effect
                      [1]. Moreover, GaAs/InAs core/shell nanowires in combination
                      with superconducting electrodes are a very interesting
                      platform for flux-controlled Josephson junctions or, when
                      covered with a superconducting full shell, for Majorana
                      devices employing the Little-Parks effect. Recently, we have
                      succeeded in growing crystallographically phase-pure
                      core/shell nanowires that exhibit uniform electrical,
                      mechanical, and optical properties [2]. We have performed
                      magnetotransport measurements on this type of nanowires and
                      compared their properties with those of their polymorphic
                      counterparts. Distinct h/e-peroidic Aharonov-Bohm type
                      oscillations in the magnetoconductance were observed in both
                      cases, with exceptionally large oscillation amplitudes in
                      phase-pure GaAs/InAs core/shell nanowires. Moreover,
                      pronounced h/2e periodic oscillations of the critical
                      current as a function of the axial magnetic field were found
                      in Josephson junctions fabricated from polymorphic GaAs/InAs
                      core/shell nanowires with an in-situ deposited
                      superconducting Al half-shell.[1] F. Haas, P. Zellekens, T.
                      Wenz, N. Demarina, T. Rieger, M. I. Lepsa, D. Grützmacher,
                      H. Lüth, and T. Schäpers, Nanotechnology, 28, 445202
                      (2017).[2] M. M. Jansen, P. Perla, M. Kaladzhian, N. von den
                      Driesch, J. Janssen, M. Luysberg, M. I. Lepsa, D.
                      Grützmacher, and A. Pawlis, ACS Applied Nano Materials 3,
                      11037 (2020).},
      month         = {Jul},
      date          = {2023-07-10},
      organization  = {Electronic Properties of 2-Dimensional
                       Systems, Grenoble (France), 10 Jul 2023
                       - 14 Jul 2023},
      subtyp        = {After Call},
      cin          = {PGI-9},
      cid          = {I:(DE-Juel1)PGI-9-20110106},
      pnm          = {5222 - Exploratory Qubits (POF4-522)},
      pid          = {G:(DE-HGF)POF4-5222},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/1009385},
}