THERMAL-DIFFUSIVITY OF BI-SR-CA-CU-O SUPERCONDUCTOR - EFFECT OF PB DOPING

被引：3
|
作者：
ISAAC, J [1 ]
PHILIP, J [1 ]
SEBASTIAN, MT [1 ]
DAMODARAN, AD [1 ]
机构：
[1] CSIR,REG RES LAB,TRIVANDRUM 695019,INDIA
来源：
PHYSICA C | 1992年 / 199卷 / 3-4期
关键词：
D O I：
10.1016/0921-4534(92)90407-4
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have measured the temperature dependence of the thermal diffusivity of the high-temperature superconductor Bi-Sr-Ca-Cu-O with varying Pb doping levels using a photoacoustic technique. Pb doping stabilizes the superconducting phase around 110 K. It is found that above T(c) thermal diffusivity decreases as the Pb concentration increases whereas below T(c) it tends to saturate at low Pb concentrations.
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页码：247 / 250
页数：4
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