Anderson flux creep model and relaxation of persistent current in grain-aligned Y1Ba2Cu3O7-δ

J. Jung; I. Isaac; M. Murakami; M. A.K. Mohamed

doi:10.1016/0921-4534(94)90966-0

Anderson flux creep model and relaxation of persistent current in grain-aligned Y₁Ba₂Cu₃O_7-δ

J. Jung, I. Isaac, M. Murakami, M. A.K. Mohamed

研究成果: Article › 査読

4 被引用数 (Scopus)

抄録

Flux-creep-induced relaxation of persistent current was investigated close to T_c in a ring-shaped grain-aligned Y₁Ba₂Cu₃O_7-σ (YBCO) with the c-axis perpendicular to the ring's plane. The results revealed two distinct relaxation regimes: a steady-state logarithmic relaxation of the persistent current from an initial value J_o ≅ J_c with the energy barrier U_eff(J) = U_o(1-J/J_c) where U_o ≅ 0.4 eV, and a non-steady-state (non-lo garithmic) one from J_o < - 0.8 J_c, with U_eff(J) = constant at fixed value of time.

本文言語	English
ページ（範囲）	2879-2880
ページ数	2
ジャーナル	Physica C: Superconductivity and its applications
巻	235-240
号	PART 5
DOI	https://doi.org/10.1016/0921-4534(94)90966-0
出版ステータス	Published - 1994 12月
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

文献へのアクセス

10.1016/0921-4534(94)90966-0

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引用スタイル

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