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Manipulation of the ferromagnetic ordering in magnetic semiconductor (La,Ca)(Zn,Mn)AsO by chemical pressure

Journal of Magnetism and Magnetic Materials, ISSN: 0304-8853, Vol: 554, Page: 169276
2022
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Article Description

We investigate the chemical pressure effects on the ferromagnetic ordering in magnetic semiconductor (La 0.9 Ca 0.1 )(Zn 0.9 Mn 0.1 )AsO by isovalent substitutions of Sb for As and Y for La, respectively. X-ray diffraction measurements indicate that Sb substitution for As expands the lattice and introduces negative chemical pressure into the system. On the other hand, Y substitution for La reduces the unit-cell volume, and improves the Curie temperature by ∼ 30% at the doping level of 7.5%.

Bibliographic Details

Rufei Zhang; Chenchao Xu; Licheng Fu; Yilun Gu; Guoxiang Zhi; Jinou Dong; Xueqin Zhao; Lingfeng Xie; Haojie Zhang; Chao Cao; Fanlong Ning

Elsevier BV

Materials Science; Physics and Astronomy

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