A different type of reentrant behavior in superconductor/thin graphite film/superconductor Josephson junctions

T. Sato; A. Kanda; T. Moriki; H. Goto; S. Tanaka; Y. Ootuka; H. Miyazaki; S. Odaka; K. Tsukagoshi; Y. Aoyagi

doi:10.1016/j.physc.2007.11.050

A different type of reentrant behavior in superconductor/thin graphite film/superconductor Josephson junctions

T. Sato, A. Kanda, T. Moriki, H. Goto, S. Tanaka, Y. Ootuka, H. Miyazaki, S. Odaka, K. Tsukagoshi, Y. Aoyagi

研究成果: Article › 査読

6 被引用数 (Scopus)

抄録

We experimentally studied current-voltage characteristics of superconductor/thin graphite film/superconductor Josephson junctions. A reentrant behavior in the differential conductance was observed at low bias voltages just above the structure due to supercurrent. The gate voltage dependence of the conductance peak shows that the origin of the reentrant behavior is different from that for the conventional reentrant behavior seen in a disordered normal metal coupled to a superconductor.

本文言語	English
ページ（範囲）	797-800
ページ数	4
ジャーナル	Physica C: Superconductivity and its applications
巻	468
号	7-10
DOI	https://doi.org/10.1016/j.physc.2007.11.050
出版ステータス	Published - 2008 4月 1
外部発表	はい

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
凝縮系物理学
エネルギー工学および電力技術
電子工学および電気工学

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10.1016/j.physc.2007.11.050

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引用スタイル

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title = "A different type of reentrant behavior in superconductor/thin graphite film/superconductor Josephson junctions",

abstract = "We experimentally studied current-voltage characteristics of superconductor/thin graphite film/superconductor Josephson junctions. A reentrant behavior in the differential conductance was observed at low bias voltages just above the structure due to supercurrent. The gate voltage dependence of the conductance peak shows that the origin of the reentrant behavior is different from that for the conventional reentrant behavior seen in a disordered normal metal coupled to a superconductor.",

keywords = "Graphite, Proximity effect, Reentrant behavior, Superconductivity",

author = "T. Sato and A. Kanda and T. Moriki and H. Goto and S. Tanaka and Y. Ootuka and H. Miyazaki and S. Odaka and K. Tsukagoshi and Y. Aoyagi",

note = "Funding Information: This work was partly supported by Grant-in-Aid for Scientific Research (A) (18201028), (B) (17340101), and CTC-NES Program of JSPS. A.K. is grateful to M. Hayashi for helpful discussions.",

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AU - Sato, T.

AU - Kanda, A.

AU - Moriki, T.

AU - Goto, H.

AU - Tanaka, S.

AU - Ootuka, Y.

AU - Miyazaki, H.

AU - Odaka, S.

AU - Tsukagoshi, K.

AU - Aoyagi, Y.

N1 - Funding Information: This work was partly supported by Grant-in-Aid for Scientific Research (A) (18201028), (B) (17340101), and CTC-NES Program of JSPS. A.K. is grateful to M. Hayashi for helpful discussions.

PY - 2008/4/1

Y1 - 2008/4/1

N2 - We experimentally studied current-voltage characteristics of superconductor/thin graphite film/superconductor Josephson junctions. A reentrant behavior in the differential conductance was observed at low bias voltages just above the structure due to supercurrent. The gate voltage dependence of the conductance peak shows that the origin of the reentrant behavior is different from that for the conventional reentrant behavior seen in a disordered normal metal coupled to a superconductor.

AB - We experimentally studied current-voltage characteristics of superconductor/thin graphite film/superconductor Josephson junctions. A reentrant behavior in the differential conductance was observed at low bias voltages just above the structure due to supercurrent. The gate voltage dependence of the conductance peak shows that the origin of the reentrant behavior is different from that for the conventional reentrant behavior seen in a disordered normal metal coupled to a superconductor.

KW - Graphite

KW - Proximity effect

KW - Reentrant behavior

KW - Superconductivity

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A different type of reentrant behavior in superconductor/thin graphite film/superconductor Josephson junctions

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ASJC Scopus subject areas

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