Control of Oxygen Deficiency in Superconducting Y1Ba2Cu3O7-yFilms Using a Solid-State Electrolyte

Hiroo Yugami, Tsuyoshi Watanabe, Tohru Suemoto, Shik Shin, Shigenobu Sobajima, Mareo Ishigame

研究成果: Article査読

8 被引用数 (Scopus)

抄録

Y1Ba2Cu3O7-y(YBCO) films deposited on YSZ are coated with MgO films in order to isolate the YBCO film from the atmosphere. An electrochemical technique using a solid-state electrolyte is applied to this airtight structure to control the density of the oxygen deficiency y in the YBCO film. The resistivity of the YBCO film at 500°C is found to be reversibly changed by the applied current. The change of y by the applied current is confirmed by the change of the lattice parameter c. From the temperature dependence of the resistivity of the film, it is shown that Tccould be controlled and fixed by using this technique.

本文言語English
ページ(範囲)L1411-L1414
ジャーナルJapanese journal of applied physics
28
8 A
DOI
出版ステータスPublished - 1989 8月 1

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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