Single crystal synthesis and magnetism of the BaLn2O4 family (Ln = lanthanide)

被引:44
|
作者
Besara, Tiglet [1 ]
Lundberg, Matthew S. [1 ,2 ]
Sun, Jifeng [1 ,2 ]
Ramirez, Daniel [1 ,2 ]
Dong, Lianyang [1 ,2 ]
Whalen, Jeffrey B. [1 ,3 ]
Vasquez, Rafael [1 ,2 ]
Herrera, Felix [1 ,2 ]
Allen, John R. [1 ]
Davidson, Michael W. [1 ]
Siegrist, Theo [1 ,2 ]
机构
[1] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32310 USA
[2] Florida State Univ, Coll Engn, FAMU, Dept Chem & Biomed Engn, Tallahassee, FL 32310 USA
[3] Specialized Crystal Proc Inc, Tallahassee, FL 32301 USA
基金
美国国家科学基金会;
关键词
Lanthanide oxides; Single crystals; Flux growth; Structure; Magnetism; Frustration; GAPLESS CHIRAL PHASE; TRANSITION; GD; ND; HO; SM;
D O I
10.1016/j.progsolidstchem.2014.05.001
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The series of compounds in the BaLn(2)O(4) family (Ln = La-Lu, Y) has been synthesized for the first time in single crystalline form, using a molten metal flux. The series crystallizes in the CaV2O4 structure type with primitive orthorhombic symmetry (space group Pnma, #62), and a complete structural study of atomic positions, bonds, angles, and distortions across the lanthanide series is presented. With the exception of the Y, La, Eu, and Lu members, magnetic susceptibility measurements were performed between 2 K and 300 K. BaCe2O4 and BaYb2O4 display large crystal fields effects and suppression of magnetic ordering. All compounds show signs of magnetic frustration due to the trigonal arrangements of the trivalent lanthanide cations in the structure. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:23 / 36
页数:14
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