Novel phosphate halides BaMnIII[PO4]FCl and BaMnIII[PO4]F2: Effects of mixed halides on crystal structures and magnetic properties

被引：7
作者：
Pei, Da-Ting [1 ]
Sun, Wei [1 ,2 ]
Huang, Ya-Xi [1 ]
Sun, Zhi-Mei [3 ]
Pan, Yuanming [2 ]
Mi, Jin-Xiao [1 ]
机构：
[1] Xiamen Univ, Dept Mat Sci & Engn, Fujian Prov Key Lab Adv Mat, Xiamen 361005, Fujian Province, Peoples R China
[2] Univ Saskatchewan, Dept Geol Sci, Saskatoon, SK S7N 5E2, Canada
[3] Beihang Univ, Sch Mat Sci & Engn, Beijing 100191, Peoples R China
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2016年 / 234卷
基金：
中国国家自然科学基金; 美国国家科学基金会;
关键词：
Phosphate halides; Synthesis; Crystal structure; X-ray diffraction; Magnetism; ELECTROCHEMICAL PROPERTIES; MANGANESE FLUOROPHOSPHATE; MN; FLUORIDE; FE; CO; BATTERIES; FRAMEWORK; LAYER;
D O I：
10.1016/j.jssc.2015.11.023
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two new phosphate halides BaMnIII[PO4]FCl (1) and BaMnIII[PO4]F-2 (2), have been synthesized under hydrothermal conditions. Structural characterizations show that both new compounds adopt layered structures but with different polyhedral linkages. Introduction of Cl into Compound (1) results in isolated hemimorphic [MnO4FCl] octahedra, different from the chain of [MnO4F2]/[MnO2F4] octahedra in Compound (2). These compounds have significantly different molecular vibration modes and thermal stabilities. Magnetic measurements reveal that Compound (2) has larger antiferromagnetic interactions than Compound (1), because the former has strong interactions between Mn3+-Mn3+ ions within corner-shared Mn3+-octahedral chains whereas the latter only possesses isolated Mn3+-octahedra. Both compounds transform to a new orthorhombic compound BaMnII(PO4)F (3) after thermal decomposition. (C) 2015 Elsevier Inc. All rights reserved.
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页码：29 / 35
页数：7
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