New type of incommensurate magnetic ordering in Mn3TeO6

被引：40

作者：

Ivanov, S. A. ^{[2
,3
]}

Nordblad, P. ^{[1
]}

Mathieu, R. ^{[1
]}

Tellgren, R. ^{[3
]}

Ritter, C. ^{[4
]}

Golubko, N. V. ^{[2
]}

Politova, E. D. ^{[2
]}

Weil, M. ^{[5
]}

机构：

[1] Uppsala Univ, Dept Engn Sci, SE-75121 Uppsala, Sweden

[2] Karpov Inst Phys Chem, Dept Inorgan Mat, Moscow 105064 K 64, Russia

[3] Uppsala Univ, Dept Chem Mat, SE-75121 Uppsala, Sweden

[4] Inst Laue Langevin, Grenoble, France

[5] Vienna Univ Technol, Inst Chem Technol & Analyt, A-1060 Vienna, Austria

来源：

MATERIALS RESEARCH BULLETIN | 2011年 / 46卷 / 11期

基金：

俄罗斯基础研究基金会; 瑞典研究理事会;

关键词：

Magnetic materials; Oxides; Magnetic structure; MULTIFERROICS;

D O I：

10.1016/j.materresbull.2011.07.041

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The complex metal oxide Mn3TeO6 exhibits a corundum related structure and has been prepared both in forms of single crystals by chemical transport reactions and of polycrystalline powders by a solid state reaction route. The crystal structure and magnetic properties have been investigated using a combination of X-ray and neutron powder diffraction, electron microscopy, calorimetric and magnetic measurements. At room temperature this compound adopts a trigonal structure, space group R (3) over bar with a = 8.8679(1) angstrom. c = 10.6727(2) angstrom. A long-range magnetically ordered state is identified below 23 K. An unexpected feature of this magnetic structure is several types of Mn-chains. Under the action of the incommensurate magnetic propagation vector k = [0, 0, 0.4302(1)] the unique Mn site is split into two magnetically different orbits. One orbit forms a perfect helix with the spiral axis along the c-axis while the other orbit has a sine wave character along the c-axis. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1870 / 1877

页数：8

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