Effects of Doping on the Magnetic Properties and Frustration of Hexagonal YMn0.9A0.1O3 （A-A1, Fe, and Cu）

The doping effects on the frustration and the magnetic properties in hexagonal compounds ot YMn0.9A0.1O3 （A=A1, Fe and Cu） are investigated. Experimental results indicate that both the non-magnetic and magnetic ion dopants lead to the increase of magnetic moments and the decrease of the absolute val...

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Published in:中国物理快报：英文版 2015 (1), p.145-149
Main Author: XIAO Li-Xia JIN Zhao XIA Zheng-Cai SHI Li-Ran HUANG Jun-Wei CHEN Bo-Rong SHANG Cui WEI Meng LONG Zhuo
Format: Article
Language:English
Subjects:
六边形
反铁磁性
挫折
掺杂效应
磁性能
离子掺杂
转变温度
铜
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Summary:The doping effects on the frustration and the magnetic properties in hexagonal compounds ot YMn0.9A0.1O3 （A=A1, Fe and Cu） are investigated. Experimental results indicate that both the non-magnetic and magnetic ion dopants lead to the increase of magnetic moments and the decrease of the absolute value of Curie-Weiss temperature （｜θcw｜）- Compared with pure YMnOa, the geometrical frustration of YMn0.9 A0. 1O3 is greatly suppressed and the magnetic coupling in that exhibits dopant-dependent. In addition, for the doped YMno.gAo.103, the antiferromagnetic transition temperature （TN） is also suppressed slightly, which shows an abnormal dilution effect and it may be ascribed to the reduction of frustration due to the chemical substitution.
ISSN:0256-307X
1741-3540