Magnetic phase diagram of an Ising spin-chain system α-CoV2O6 with 1/3 magnetization plateau

被引：24

作者：

He, Zhangzhen ^{[1
]}

Cheng, Wendan ^{[1
]}

机构：

[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2014年 / 362卷

关键词：

A. Ising-spin system; C. linear-chain structure; D. magnetization plateau; D. magnetic phase transition; ONE-DIMENSIONAL CA3CO2O6; COMPOUND CA3CO2O6; CRYSTAL-STRUCTURE; COCL2.2H2O; COV2O6; FIELD; LATTICE;

D O I：

10.1016/j.jmmm.2014.03.021

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

alpha-CoV2O6 exhibits a linear chain structure with monoclinic system which does not show any ingredient for geometrical frustration. Magnetic properties of a-CoV2O6 are investigated by means of magnetic and heat capacity measurements. 1/3 magnetization plateau occurs at low temperature while magnetic field is applied along the easy c-axis. Magnetic phase diagram(H vs. T) is constructed by low-temperature susceptibility and magnetization data. On the basis of the model of one-spin flip transition for a two sublattice antiferromagnet, the spin arrangements of antiferromagnetic, ferrimagnetic and ferromagnetic states are also suggested. (C) 2014 Elsevier B.V. All rights reserved.

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页码：27 / 30

页数：4

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