FILM STRUCTURE AND MAGNETIC-PROPERTIES OF FERROMAGNETIC AMORPHOUS BI2O3-FE2O3-PBTIO3 FILMS PREPARED BY RF-REACTIVE SPUTTERING

被引：21
|
作者：
KAJIMA, A
KANEDA, T
ITO, H
FUJII, T
OKAMOTO, I
机构：
[1] TOYOHASHI UNIV TECHNOL,DEPT ELECT & ELECTR ENGN,TOYOHASHI,AICHI 441,JAPAN
[2] UBE IND LTD,CORP RES & DEV,UBE,YAMAGUCHI 755,JAPAN
来源：
JOURNAL OF APPLIED PHYSICS | 1991年 / 70卷 / 07期
关键词：
D O I：
10.1063/1.349230
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Amorphous-like oxide films of the Bi2O3-Fe2O3-PbTiO3 ternary system prepared by rf-reactive sputtering exhibit ferromagnetism and ferroelectricity simultaneously well above room temperature. In this paper, we have investigated the relation between the film structure and the magnetic properties of the films by means of x-ray diffractometry, transmission electron microscopy, magnetization measurement with a vibrating-sample magnetometer, and Mossbauer spectroscopy. The film composition used in the study is 0.16Bi2O3-0.74Fe2O3-0.10PbTiO3, which attains the maximum magnetization in this ternary system. It is revealed that ferromagnetism originates from the amorphous part in the films.
引用
收藏
页码：3760 / 3764
页数：5
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