Ballistic superconductivity and tunable π–junctions in InSb quantum wells

Chung Ting Ke; Christian M. Moehle; Folkert K. de Vries; Candice Thomas; Sara Metti; Charles R. Guinn; Ray Kallaher; Mario Lodari; Giordano Scappucci; Tiantian Wang; Rosa E. Diaz; Geoffrey C. Gardner; Michael J. Manfra; Srijit Goswami

doi:10.1038/s41467-019-11742-4

Nature Communications (Aug 2019)

Ballistic superconductivity and tunable π–junctions in InSb quantum wells

Chung Ting Ke,
Christian M. Moehle,
Folkert K. de Vries,
Candice Thomas,
Sara Metti,
Charles R. Guinn,
Ray Kallaher,
Mario Lodari,
Giordano Scappucci,
Tiantian Wang,
Rosa E. Diaz,
Geoffrey C. Gardner,
Michael J. Manfra,
Srijit Goswami

Affiliations

Chung Ting Ke: QuTech and Kavli Institute of Nanoscience, Delft University of Technology
Christian M. Moehle: QuTech and Kavli Institute of Nanoscience, Delft University of Technology
Folkert K. de Vries: QuTech and Kavli Institute of Nanoscience, Delft University of Technology
Candice Thomas: Department of Physics and Astronomy, Purdue University
Sara Metti: Birck Nanotechnology Center, Purdue University
Charles R. Guinn: Department of Physics and Astronomy, Purdue University
Ray Kallaher: Birck Nanotechnology Center, Purdue University
Mario Lodari: QuTech and Kavli Institute of Nanoscience, Delft University of Technology
Giordano Scappucci: QuTech and Kavli Institute of Nanoscience, Delft University of Technology
Tiantian Wang: Department of Physics and Astronomy, Purdue University
Rosa E. Diaz: Birck Nanotechnology Center, Purdue University
Geoffrey C. Gardner: Birck Nanotechnology Center, Purdue University
Michael J. Manfra: Department of Physics and Astronomy, Purdue University
Srijit Goswami: QuTech and Kavli Institute of Nanoscience, Delft University of Technology

DOI: https://doi.org/10.1038/s41467-019-11742-4
Journal volume & issue: Vol. 10, no. 1
pp. 1 – 6

Abstract

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Hybrid superconductor-semiconductor devices offer a promising platform for topological superconductivity. Here, Ke and Moehle et al. create ballistic Josephson junctions in InSb quantum wells and use magnetic and electric fields to control their free energy landscape.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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