Pressure effect on superconducting properties of LaO1-xFxFeAs (x=0.11) superconductor

被引：49

作者：

Lu, W. ^{[1
]}

Yang, J. ^{[1
]}

Dong, X. L. ^{[1
]}

Ren, Z. A. ^{[1
]}

Che, G. C. ^{[1
]}

Zhao, Z. X. ^{[1
]}

机构：

[1] Chinese Acad Sci, Natl Lab Superconduct, Beijing Natl Lab Condensed Mat Phys, Inst Phys, Beijing 100190, Peoples R China

来源：

NEW JOURNAL OF PHYSICS | 2008年 / 10卷

关键词：

Hydrostatic pressure;

D O I：

10.1088/1367-2630/10/6/063026

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Diamagnetic susceptibility measurements under high hydrostatic pressure (up to 1.03 GPa) were carried out on a newly discovered Fe-based superconductor LaO1-xFxFeAs (x = 0.11). The transition temperature T-C, defined as a point at the maximum slope of superconducting transition, was enhanced almost linearly by hydrostatic pressure, yielding a dT(C)/dP of about 1.2 K GPa(-1). Differential diamagnetic susceptibility curves indicate that the underlying superconducting state is complicated. It is suggested that pressure plays an important role on pushing the low T-C superconducting phase toward the main (optimal) superconducting phase.

引用

页数：6

共 4 条

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