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Crystal Structure and Magnetic Properties for Bi1-x EuxFeO 3 Compounds / Nguyen, Hoa Hong

Tác giả : Nguyen, Hoa Hong

Nhà xuất bản : H. : ĐHQGHN

Năm xuất bản : 2017

Tùng thư : Journal of Mathematics- Physics

Chủ đề : 1. BiFeO3. 2. Magnetic property. 3. Raman. 4. Rare-Earth-doping. 5. Article.

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Tóm tắt :

BiFeO3 (BFO) is a promising multiferroic material due to its high ferroelectric and antiferromagnetic ordering temperatures. Substituting partially Bi by Rare-Earth (RE) seem to be one way to enhance magnetization of BFO. In this study, crystal structure and magnetic properties for Bi1-xEuxFeO3 compounds are presented. When the Eu content was below 5% (x < 0.05), no significant improvement in magnetic properties was observed. However, when x < 0.20, ferromagnetism was induced. More particularly, at x = 0.20, the compounds experienced a drastically structural transition that governs also their optical properties.

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Đại học quốc gia Hà Nội
https://repository.vnu.edu.vn/handle/VNU_123/55382