Structural phase diagram and magnetic properties of Sc-substituted rare earth ferrites R1-xScxFeO3 (R=Lu, Yb, Er, and Ho)

被引：14
|
作者：
White, Jason [1 ]
Sinha, Kishan [1 ]
Xu, Xiaoshan [1 ,2 ]
机构：
[1] Univ Nebraska, Dept Phys & Astron, Lincoln, NE 68588 USA
[2] Univ Nebraska, Nebraska Ctr Mat & Nanosci, Lincoln, NE 68588 USA
来源：
JOURNAL OF APPLIED PHYSICS | 2019年 / 125卷 / 24期
基金：
美国国家科学基金会;
关键词：
GARNET; ORTHOFERRITES; MULTIFERROISM;
D O I：
10.1063/1.5098488
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have studied the structural stability of Sc-substituted rare earth (R) ferrites R1-xScxFeO3 and constructed a structural phase diagram for different R and x. While RFeO3 and ScFeO3 adopt the orthorhombic and bixbyite structure, respectively, the substituted compound R1-xScxFeO3 may be stable in a different structure. Specifically, for R0.5Sc0.5FeO3, the hexagonal structure can be stable for small R, such as Lu and Yb, while the garnet structure is stable for larger R, such as Er and Ho. The formation of the garnet structure of R0.5Sc0.5FeO3 compounds, which requires that Sc occupies both the rare earth and the Fe sites, is corroborated by their magnetic properties.
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页数：7
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