Study of Nb-based Josephson tunnel junctions

Azusa Matsuda; Takahiro Inamura; Haruo Yoshikiyo

doi:10.1063/1.328250

Study of Nb-based Josephson tunnel junctions

Azusa Matsuda^*, Takahiro Inamura, Haruo Yoshikiyo

^*この研究の対応する著者

研究成果: Article › 査読

18 被引用数 (Scopus)

抄録

Nb-based Josephson junctions are photographically fabricated with an improved lift-off method. Aging properties of Nb/Pb junctions are studied and the possible origin of aging was pointed out, using the shape dependence and I_J-H characteristics. The I-V characteristics of Nb/Pb junctions were analyzed quantitatively using a proximity effect model based on McMillan's tunneling model. Maximum Josephson current was calculated incorporating the strong coupling correction. Theory and experiment agreed well for both pair and quasiparticle density of states.

本文言語	English
ページ（範囲）	4310-4316
ページ数	7
ジャーナル	Journal of Applied Physics
巻	51
号	8
DOI	https://doi.org/10.1063/1.328250
出版ステータス	Published - 1980
外部発表	はい

ASJC Scopus subject areas

物理学および天文学（全般）

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10.1063/1.328250

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Study of Nb-based Josephson tunnel junctions

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