出版日期：1992-02-01 00:00:00

作品名稱（其他語言）：La3CaBa3Cu7015.5+d的異常麥思那效應與超導性

著者：Wang, C. M.; 王啓銘; Yang, Y. F.; 高惠春; Kao, H. C. I.

單位：淡江大學化學學系

出版者：臺北市：中國化學學會

著錄名稱、卷期、頁數：Journal of the Chinese Chemical Society=中國化學會會誌 39(1), pp.67-69

摘要：A superconducting oxide with a stoichiometry La/sub 3/CaBa/sub 3/Cu/sub 7/O/sub 15.5+x/, in which x=0.75, was prepared. It had a tetragonal triple-perovskite structure with lattice parameters a=3.879.ANG. and c=11.637.ANG.. According to resistivity measurements, a sharp superconducting transition,.DELTA.T/sub c/(10-90%)=1.5K, and T/sub c(zero)/=80K were observed. When it was measured at a small magnetic field(10-20 gauss) with field cooling, the sintered pellet showed a positive magnetic susceptibility, but the powdered sample exhibited the diamagnetism of a typical superconductor. However, no peculiar shielding effect was found in both the sintered and powdered samples.

語言：en

ISSN：0009-4536

期刊性質：國內

審稿制度：否

國別：TWN

出版型式：電子版,紙本