Simultaneously improved magnetization and polarization of flexible film of BiFeO3-LaY2Fe5O12 composites

Simultaneously improved magnetization and polarization of flexible film of BiFeO3-LaY2Fe5O12 composites
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同时提高 BiFeO3-LaY2Fe5O12 复合材料柔性薄膜的磁化和极化

DOI:
10.1080/10584587.2018.1454217
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发表时间:
2018-03
影响因子:
0.7
通讯作者:
Bai Xiaojun
Bai Xiaojun
中科院分区:
工程技术4区
文献类型:
--
作者:
Wang Fang;Bai Xiaojun

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采用固相反应法和旋涂法制备了BiFeO 3-LaY 2 Fe 5 O 12(BFO-LYIG)复合材料及其柔性薄膜。复合材料用于结构和磁性能表征,而柔性薄膜用于多铁性测量。结果表明,在一定摩尔比下,复合材料中BFO和LYIG相可以共存,无杂质相,而在其它摩尔比下,复合材料中存在明显的杂质相。与BFO的弱磁性和铁电性相比,LYIG的高磁化强度和高电阻率可以同时提高复合材料的磁化强度和极化强度。
ABSTRACT BiFeO3-LaY2Fe5O12 (BFO-LYIG) composites and the corresponding flexible films were prepared via solid-sate reaction and spin coating respectively. The composites were used for structures and magnetic properties characterization, while the flexible films were used for multiferroic properties measurement. The results show that the BFO and LYIG phases can coexist in the composite with no impurity phase for certain mole ratio, but with obvious impurity phases for other mole ratios. Compared to the weak magnetic and ferroelectric property of BFO, the magnetization and polarization of the composites can be simultaneously improved due to the high magnetization and resistivity of LYIG.
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