Magnetization Studies of Near-Room-Temperature Flux-Trapping Phenomenon in Cu-O Based Materials
學年 83
學期 1
出版(發表)日期 1994-08-01
作品名稱 Magnetization Studies of Near-Room-Temperature Flux-Trapping Phenomenon in Cu-O Based Materials
作品名稱(其他語言)
著者 M. S. M. Minhaj, J. Obien, Ling, D. C.; Chen, J. T.; Wenger, L. E.
單位 淡江大學物理學系
出版者 New York: Kluwer Academic Publishers-Plenum Publishers
著錄名稱、卷期、頁數 Journal of Superconductivity 7(4), pp.715-718
摘要 DC magnetization studies on a variety of ceramic and crystalline YBaCuO samples indicate a superconducting-like flux-trappinig behavior occurring at similar temperatures as zero-resistance transition temperatures observed near room temperature. The flux-trapping behavior is exemplified by diamagnetic-like deviations from a positive magnetic background in the zero-field-cooled magnetization, by a divergence between the zero-field-cooled and field-cooled magnetization data, or by a positive Meissner effect in the field-cooled magnetization. These behaviors are consistent with a high-T c (>250 K) superconducting phase in an inhomogeneous superconductor where the superconducting regions exist as defect structures or surface coatings and whose volume fraction is less than a few percent.
關鍵字
語言 en
ISSN 1572-9605
期刊性質 國外
收錄於 SCI
產學合作
通訊作者
審稿制度
國別 USA
公開徵稿
出版型式 電子版
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