EFFECTS OF SUPERCONDUCTIVITY ON ELASTIC-CONSTANTS OF LA2-XSRXCUO4

被引：4

作者：

NOHARA, M ^{[1
]}

NISHIGORI, S ^{[1
]}

SUZUKI, T ^{[1
]}

MAENO, Y ^{[1
]}

FUJITA, T ^{[1
]}

TANAKA, I ^{[1
]}

KOJIMA, H ^{[1
]}

机构：

[1] YAMANASHI UNIV,INST INORGAN SYNTH,KOFU 400,JAPAN

来源：

PHYSICA B | 1994年 / 194卷

关键词：

D O I：

10.1016/0921-4526(94)91583-0

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Ultrasonic and specific-heat measurements have been performed across the superconducting transition on a single crystal of La1.86Sr0.14CuO4. A pronounced jump of the elastic constant DELTAC33(T(c)) = -0.15 GPa is observed at T(c) = 34 K as well as a specific-heat jump DELTAc(p)/T(c) = 9.6 mJ/K2mol, whereas a jump in C-11 is less obvious. The results allow quantitative estimation of the strain dependence of T(c) and the condensation energy along the a and c axes.

引用

页码：2167 / 2168

页数：2

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