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Gate-tunable superconducting quantum interference devices of PbS nanowires
- Authors
- Kim, Hong-Seok; Kim, Bum-Kyu; Yang, Yiming; Peng, Xingyue; Lee, Soon-Gul; Yu, Dong; Doh, Yong-Joo
- Issue Date
- Feb-2016
- Publisher
- IOP PUBLISHING LTD
- Citation
- APPLIED PHYSICS EXPRESS, v.9, no.2
- Indexed
- SCIE
SCOPUS
- Journal Title
- APPLIED PHYSICS EXPRESS
- Volume
- 9
- Number
- 2
- ISSN
- 1882-0778
- Abstract
- We report on the fabrication and electrical transport properties of gate-tunable superconducting quantum interference devices (SQUIDs), made from a semiconducting PbS nanowire contacted with PbIn superconducting electrodes. With a magnetic field applied perpendicular to the plane of the nanohybrid SQUID, periodic oscillations of the critical current due to the flux quantization in SQUID are observed up to T = 4.0 K. A nonsinusoidal current-phase relationship is obtained as a function of temperature and gate voltage, which is consistent with a short and diffusive junction model. (C) 2016 The Japan Society of Applied Physics
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