SPIN LIQUID BEHAVIOR OF HIGHLY FRUSTRATED Y(SC)MN2 AND EFFECTS OF NONMAGNETIC IMPURITY

被引：88

作者：

SHIGA, M

FUJISAWA, K

WADA, H

机构：

[1] Department of Metal Science and Technology, Kyoto University

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1993年 / 62卷 / 04期

关键词：

LAVES PHASE COMPOUND; YMN2; SPIN LIQUID; SPIN GLASS; FRUSTRATION; SPIN FLUCTUATIONS; HEAVY FERMION;

D O I：

10.1143/JPSJ.62.1329

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The roles of geometrical spin frustration in magnetic and thermodynamic properties of YMn2 and Y(Sc)Mn2 are studied. It is shown that the ground state of Y(Sc) Mn2, which exhibits heavy fermion like behavior, may be regarded as a quantum spin liquid realized through the frustration. To confirm this idea, magnetic, thermal and electrical properties of the Y0.95Sc0.05(Mn1-xAlx)2 pseudobinary system have been studied. The substitution of Al for Mn causes a spin liquid to spin glass transition as a result of partial raise of spin configurational degeneracy.

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页码：1329 / 1336

页数：8

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