Single crystal growth and characterization of MnAs

被引：9

作者：

de Campos, A. ^{[1
,2
]}

Mota, M. A. ^{[3
]}

Gama, S. ^{[4
]}

Coelho, A. A. ^{[5
]}

White, B. D. ^{[2
]}

da Luz, M. S. ^{[1
,2
]}

Neumeier, J. J. ^{[2
]}

机构：

[1] Univ Fed Triangulo Mineiro, Inst Ciencias Tecnol & Exatas, BR-38025180 Uberaba, MG, Brazil

[2] Montana State Univ, Dept Phys, Bozeman, MT 59717 USA

[3] Univ Fed Maranhao, Dept Fis, Sao Luis, MA, Brazil

[4] Univ Fed Sao Paulo Unifesp, Dept Ciencias Exatas & Terra, Diadema, SP, Brazil

[5] Univ Estadual Campinas UNICAMP, Inst Fis Gleb Wataghin, BR-13083970 Campinas, SP, Brazil

来源：

JOURNAL OF CRYSTAL GROWTH | 2011年 / 333卷 / 01期

基金：

美国国家科学基金会; 巴西圣保罗研究基金会;

关键词：

Characterization; Growth from melt; Inorganic compounds; Magnetic materials;

D O I：

10.1016/j.jcrysgro.2011.08.001

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

A simple method to grow MnAs single crystals is described, using careful temperature control. Crystal characterization was determined by powder X-ray diffraction, back-reflection Laue diffraction and vibrating sample magnetometry. The results show good magnetic properties with first-order transition sharper than in polycrystalline samples and with the transition occurring at slightly lower temperatures (T-C=315.5 K) than in the case of polycrystalline samples. The second-order transition in single crystal decreases with applied field at 391 K. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：54 / 58

页数：5

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