Magnetism in La2O3(Fe1-xMnx)2Se2 tuned by Fe/Mn ratio

被引：16
|
作者：
Lei, Hechang [1 ]
Bozin, Emil S. [1 ]
Llobet, A. [2 ]
Ivanovski, V. [3 ]
Koteski, V. [3 ]
Belosevic-Cavor, J. [3 ]
Cekic, B. [3 ]
Petrovic, C. [1 ]
机构：
[1] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Uptown, NY 11973 USA
[2] Los Alamos Natl Lab, Lujan Neutron Scattering Ctr, Los Alamos, NM 87545 USA
[3] Univ Belgrade, Inst Nucl Sci Vinca, Belgrade 11001, Serbia
来源：
PHYSICAL REVIEW B | 2012年 / 86卷 / 12期
关键词：
BOND-VALENCE PARAMETERS; OXYCHALCOGENIDES; SUPERCONDUCTIVITY; SPIN;
D O I：
10.1103/PhysRevB.86.125122
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report the evolution of structural and magnetic properties in La2O3(Fe1-xMnx)(2)Se-2. Heat capacity and bulk magnetization indicate an increased ferromagnetic component of the long-range magnetic order and possible increased degree of frustration. Atomic disorder on Fe(Mn) sites suppresses the temperature of the long-range order whereas intermediate alloys show a rich magnetic phase diagram.
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页数：7
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