MAGNETIC CIRCULAR-DICHROISM IN YBA2CU3OX THIN-FILMS

被引：4
|
作者：
IZUMI, H
ANDO, K
KOSHIZUKA, N
OHATA, K
机构：
[1] ISTEC,SUPERCONDUCT RES LAB,KOTO KU,TOKYO 135,JAPAN
[2] ELECTROTECH LAB,TSUKUBA,IBARAKI 305,JAPAN
来源：
PHYSICA C | 1992年 / 199卷 / 1-2期
关键词：
D O I：
10.1016/0921-4534(92)90556-R
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Magnetic circular dichroism (MCD) in superconducting and insulating YBa2Cu3Ox thin films is studied. The MCD spectra in superconducting samples exhibit a linearly field dependent structure at 4-5 eV. The field and temperature dependences, the latter seeming to obey the Curie law, suggest that this structure is associated with the intraionic 3d-4p transitions of localized Cu ions at the Cu-O chains. These transitions are thought to be the origin of the peak at 4.1 eV observed in insulating ones. A comparison of the spectra of insulating YBa2Cu3Ox, dielectric function studies and this work is also given.
引用
收藏
页码：171 / 176
页数：6
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