TWIN BOUNDARIES AND UPPER CRITICAL-FIELD HC2 IN Y-BA-CU-O MONOCRYSTAL

被引：4

作者：

BURLACHKOV, LI ^{[1
]}

GLAZMAN, LI ^{[1
]}

机构：

[1] ACAD SCI USSR,INST PROBLEMS MICROELECTR TECHNOL & SUPERPURE MAT,CHERNOGOLOVKA 142432,USSR

来源：

PHYSICA C | 1990年 / 166卷 / 1-2期

关键词：

D O I：

10.1016/0921-4534(90)90555-S

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The upper critical field is studied theoretically for the YBA2Cu3Ox monocrystal with a system of parallel twins. The dependence Hc2(T) has a positive curvature ( ∂2Hc2 ∂T2 > 0) in the vicinity of Tc and a perfect crossover to the part with a negative curvature can appear as the temperature decreases. A singular maximum occurs in the angular dependence of Hc2 for the field direction coinciding with a twin plane. © 1990.

引用

页码：75 / 78

页数：4

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