MAGNETIC PHASE-DIAGRAMS OF SPIN-FRUSTRATED STACKED TRIANGULAR ANTIFERROMAGNETS - APPLICATION TO ABX3 COMPOUNDS

被引：25

作者：

PLUMER, ML ^{[1
]}

CAILLE, A ^{[1
]}

机构：

[1] UNIV SHERBROOKE,DEPT PHYS,SHERBROOKE J1K 2R1,QUEBEC,CANADA

来源：

JOURNAL OF APPLIED PHYSICS | 1991年 / 70卷 / 10期

关键词：

D O I：

10.1063/1.350090

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A review is given of our recent results on magnetically ordered states occuring in geometrically frustrated stacked triangular (simple hexagonal) antiferromagnets based on phenomenological Landau theory, molecular field theory, and Monte Carlo simulations. Novel multicritical behavior in magnetic field-temperature phase diagrams is demonstrated for systems with axial and planar anisotropy (weak and strong). Crossover effects are discussed in terms of the new chiral universality classes recently proposed by Kawamura. Comparison of theory and simulation results with the observed magnetic ordering and phase diagrams in a wide variety of ABX3 compounds is made.

引用

页码：5961 / 5966

页数：6

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