Superionic behavior of high-temperature superconductors

被引：9
|
作者：
Rakitin, A
Kobayashi, M
Litvinchuk, AP
机构：
[1] NATL ACAD SCI, INST SEMICOND PHYS, UA-252650 KIEV 28, UKRAINE
[2] TECH UNIV BERLIN, INST FESTKORPERPHYS, D-10623 BERLIN, GERMANY
来源：
PHYSICAL REVIEW B | 1997年 / 55卷 / 01期
关键词：
D O I：
10.1103/PhysRevB.55.89
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ionic transport, a characteristic feature of superionic conductors, is analyzed microscopically for the RBa(2)Cu(3)O(7-delta) (R=rare earth) high-temperature superconductors. The electronic correlation effects are considered to be responsible for the formation of a local double-well potential for apical oxygen, which, in turn, results in a decrease of the activation energy for interstitial chain oxygen defects.
引用
收藏
页码：89 / 92
页数：4
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