POLARIZING MICROSCOPIC OBSERVATION OF THE SUPERCONDUCTING Eu1Ba2Cu3Oy CRYSTALS.

被引:0
作者
Semba, Kouichi [1 ]
Suzuki, Hiroyuki [1 ]
Katsui, Akinori [1 ]
Hidaka, Yoshikazu [1 ]
Hikita, Makoto [1 ]
Tsurumi, Shigeyuki [1 ]
机构
[1] NTT, Tokai, Jpn, NTT, Tokai, Jpn
来源
Japanese Journal of Applied Physics, Part 2: Letters | 1987年 / 26卷 / 10期
关键词
CERAMIC MATERIALS - EUROPIUM COMPOUNDS;
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摘要
The orthorhombic high-T//c Eu//1Ba//2Cu//3O//y crystals are investigated optically by the polarizing microscope. The crystals are optically anisotropic in the a-b plane, and the phase difference between the advanced- and the retarded-phase axis is 30 plus or minus 3 degrees along the a- and b-axes. According to the reflection formula for metals, the anisotropic conductivity between these two directions is analyzed. The anisotropy of a factor of about 2 is obtained.
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页码:1645 / 1647
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