Competition between charge- and spin-density-wave order and superconductivity in La1.875Ba0.125-xSrxCuO4 -: art. no. 167008

被引：150

作者：

Fujita, M ^{[1
]}

Goka, H

Yamada, K

Matsuda, M

机构：

[1] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6100011, Japan

[2] Japan Atom Energy Res Inst, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.88.167008

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have performed a series of elastic neutron scattering measurements on 1/8-hole doped La-1.875-Ba0.125-xSrxCuO4 single crystals with x = 0.05, 0.06, 0.075, and 0.085. Both charge-density-wave (CDW) and spin-density-wave orders are found to develop simultaneously below the structural transition temperature between the low-temperature orthorhombic (LTO) and low-temperature tetragonal (LTT) or low-temperature less-orthorhombic (LTLO) phases. In the ground state the CDW order is observed only in the LTT/LTLO phase and drastically degrades towards the LTO boundary. The x dependence of T-c strongly suggests a direct effect of the CDW order on the suppression of superconductivity.

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页码：4 / 167008

页数：4

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