Magnetic and superconducting phase diagram of electron-doped Pr1-xLaCexCuO4 -: art. no. 014514

被引：84

作者：

Fujita, M ^{[1
]}

Kubo, T

Kuroshima, S

Uefuji, T

Kawashima, K

Yamada, K

Watanabe, I

Nagamine, K

机构：

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

[2] RIKEN, Wako, Saitama 3510198, Japan

[3] High Energy Accelerator Res Org, Meson Sci Lab, Inst Mat Struct Sci, KEK,MSL, Tsukuba, Ibaraki 3050801, Japan

来源：

PHYSICAL REVIEW B | 2003年 / 67卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.67.014514

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have investigated the magnetism and the superconductivity of the electron-doped Pr1-xLaCexCuO4 by means of zero-field muon spin rotation/relaxation and magnetic susceptibility measurements. At low temperatures, a well-defined muon spin rotation free from the effect of rare-earth moments was observed for samples with xless than or equal to0.08 corresponding to the antiferromagnetic (AF) order of Cu spins. Bulk superconductivity was identified in a wide Ce concentration range of 0.09less than or equal toxless than or equal to0.20 with a maximum transition temperature of 26 K. Abrupt appearance of the superconducting (SC) phase at xsimilar to0.09 is concomitant with a destroy of the AF ordered phase, indicating the competitive relation between two phases. Possible relation between the wide SC phase and the lattice spacing is discussed.

引用

页数：5

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