THERMAL-CONDUCTIVITY OF DOPED YBCO SINGLE-CRYSTALS

被引：11

作者：

INYUSHKIN, A ^{[1
]}

TALDENKOV, A ^{[1
]}

SHABANOV, S ^{[1
]}

UVAROVA, T ^{[1
]}

机构：

[1] AV SHUBNIKOV CRYSTALLOG INST,MOSCOW 117333,RUSSIA

来源：

PHYSICA C | 1994年 / 235卷

关键词：

D O I：

10.1016/0921-4534(94)91968-2

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Thermal conductivity K of the three systems: oxygen deficient YBa2Cu3Ox(x=6.05-6.95), Y1-2Pr2Ba2Cu3Ox (z=0-1, x=6.05-6.95), nnd YBa2(Cu1-yZny)(3)O-6.95(y=0.0-0.05) in a-b plane have been systematically studied as function of temperature and magnetic field. The evolution of the thermal conductivity upon doping depends on the origin of metal-insulator transition. The unusual temperature dependence K(T) of non-metallic crystals suggests that some unconventional mechanism of phonon relaxation dominates in these crystals. Analysis of the experimental data confirms the phononic explanation of the K(T) for YBa2Cu3O7.

引用

页码：1487 / 1488

页数：2

共 4 条

[1]

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