Phase relationship of the TbO1.81-Mn3O4-Fe2O3 system synthesized at 1200 °C

被引：26

作者：

Wang, Rong ^{[2
]}

Yang, Chengxu ^{[1
]}

Fan, Min ^{[2
]}

Wu, Meimei ^{[3
]}

Wang, Chunhai ^{[4
]}

Yu, Xiaohui ^{[5
]}

Zhu, Jinlong ^{[5
]}

Zhang, Junrong ^{[6
]}

Li, Guobao ^{[1
]}

Huang, Qingzhen ^{[7
]}

Chen, Dongfeng ^{[3
]}

Jin, Tounan ^{[2
]}

Kamiyama, Takashi ^{[6
]}

Liao, Fuhui ^{[1
]}

Lin, Jianhua ^{[1
]}

机构：

[1] Peking Univ, Beijing Natl Lab Mol Sci, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China

[2] Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100022, Peoples R China

[3] China Inst Atom Energy, Dept Nucl Phys, Neutron Scattering Lab, Beijing 102413, Peoples R China

[4] Peking Univ, Sch Phys, Beijing 100871, Peoples R China

[5] Los Alamos Natl Lab, Lujan Neutron Scattering Ctr, Los Alamos, NM 87545 USA

[6] Res Org KEK, Inst Mat Struct Sci, Tokai, Ibaraki 3191106, Japan

[7] NIST, Gaithersburg, MD 20899 USA

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2013年 / 554卷

基金：

中国国家自然科学基金;

关键词：

TbMnO3; Phase diagram; Solid-state reaction; Multiferroic; Powder X-ray diffraction; MULTIFERROIC MATERIAL; MANGANESE OXIDE; POLARIZATION; FE3O4-MN3O4; SPINELS; TBMNO3;

D O I：

10.1016/j.jallcom.2012.12.011

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The phase relationship of the TbO1.81-Mn3O4-Fe2O3 pseudo-ternary system synthesized at 1200 degrees C was determined using X-ray and neutron diffraction method. Four solid solutions, Mn3-3xFe3xO4 (0.00 <= x <= 0.278), Mn3-3xFe3xO4 (0.291 <= x <= 0.667), Mn2-2xFe2xO3 (0.89 <= x <= 1.00), and (Tb1-yMnzFex) (FewMn1-w)O-3 (1-y + x + z <= 1, 0.00 <= w <= 1.00) were found along with six two-phase regions and three three-phase regions. The boundaries were determined by several different methods such as phase disappearing, the Vigard's law, and the lever rule. (C) 2012 Elsevier B. V. All rights reserved.

引用

页码：385 / 394

页数：10

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