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Paper Abstract and Keywords
Presentation 2021-06-10 16:15
Dependence of perpendicular magnetic anisotropy and magnetic Kerr effect in (Bi,La)(Fe1-xCox)O3 multiferroic thin films on Co substitution concentration against Fe
Takumi Ozeki, Daichi Yamamoto, Genta Egawa, Satoru Yoshimura (Akita Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) High saturation magnetization and perpendicular magnetic anisotropy are required for multiferroic (ferromagnetic / ferroelectric) thin film to apply magnetic writing element of magnetic nano-wire memory, which is a next-generation magnetic recording device. In this study, in the BiFeO3-based multiferroic thin film, the element substitution effect not only of Bi (A site) but also of Fe (B site) on magnetic properties was investigated. The Co substitution amount was varied from 0 at% to 28 at%. As a result, with increasing the amount of Co substitution, the saturation magnetization and perpendicular magnetic anisotropy increased. In addition, the magnetic Kerr effect of these films was also investigated, for their possibility to be applied to next-generation magneto-optical light modulator with ultra-low power consumption and high resolution. As a result, with increasing the amount of Co substitution, the magnetic Kerr rotation angle also increased. However, there was a difference in the tendency of changes between saturation magnetization and magnetic Kerr rotation angle with respect to the amount of Co substitution. This indicates that the expression mechanisms of both may be different.
Keyword (in Japanese) (See Japanese page) 
(in English) Multiferroic thin films / Magnetic reversal by electric field / Perpendicular anisotropy / Saturation magnetization / Magnetic Kerr effect / New magnetic recording devices / Electric field driven magneto-optical light modulator /  
Reference Info. ITE Tech. Rep., vol. 45, no. 14, MMS2021-31, pp. 29-34, June 2021.
Paper # MMS2021-31 
Date of Issue 2021-06-03 (MMS) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee IEICE-MRIS MMS  
Conference Date 2021-06-10 - 2021-06-11 
Place (in Japanese) (See Japanese page) 
Place (in English) RIEC, Tohoku U. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Recording systems, etc. 
Paper Information
Registration To MMS 
Conference Code 2021-06-MRIS-MMS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Dependence of perpendicular magnetic anisotropy and magnetic Kerr effect in (Bi,La)(Fe1-xCox)O3 multiferroic thin films on Co substitution concentration against Fe 
Sub Title (in English)  
Keyword(1) Multiferroic thin films  
Keyword(2) Magnetic reversal by electric field  
Keyword(3) Perpendicular anisotropy  
Keyword(4) Saturation magnetization  
Keyword(5) Magnetic Kerr effect  
Keyword(6) New magnetic recording devices  
Keyword(7) Electric field driven magneto-optical light modulator  
Keyword(8)  
1st Author's Name Takumi Ozeki  
1st Author's Affiliation Akita University (Akita Univ.)
2nd Author's Name Daichi Yamamoto  
2nd Author's Affiliation Akita University (Akita Univ.)
3rd Author's Name Genta Egawa  
3rd Author's Affiliation Akita University (Akita Univ.)
4th Author's Name Satoru Yoshimura  
4th Author's Affiliation Akita University (Akita Univ.)
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Speaker
Date Time 2021-06-10 16:15:00 
Presentation Time 25 
Registration for MMS 
Paper # MMS2021-31 
Volume (vol) 45 
Number (no) no.14 
Page pp.29-34 
#Pages
Date of Issue 2021-06-03 (MMS) 


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