Thermal stability dependence on Tb content in TbFeCo thin film

Author

Mochida, Mitsunori ; Suzuki, Takao

Author_Institution

Toyota Technol. Inst., Nagoya, Japan

Volume

38

Issue

5

fYear

2002

fDate

9/1/2002 12:00:00 AM

Firstpage

2096

Lastpage

2098

Abstract

Measurements of the time dependence of magnetization at various reversing fields and remanence coercivity in Tb_x(Fe₉₀Co₁₀)_100-x films (x = 13 ∼ 31) where the compensation composition is x = 22.5, indicate that the thermal stability in transition metal-rich films is better than that in the rare earth-rich ones. There seems to be a difference in (K_uV/k_BT) between the TM-rich and RE-rich compositions.

Keywords

Barkhausen effect; cobalt alloys; coercive force; ferrimagnetic materials; iron alloys; magnetic thin films; magnetisation reversal; magneto-optical recording; remanence; terbium alloys; thermal stability; Tb content; Tb_x(Fe₉₀Co₁₀)_100-x films; TbFeCo; TbFeCo thin film; amorphous TbFeCo magneto-optical thin films; compensation composition; high density magnetic recording; magnetization; rare earth-rich films; remanence coercivity; reversing fields; thermal stability; thermal stability dependence; time dependence; transition metal-rich films; Coercive force; Iron; Magnetic anisotropy; Magnetic films; Magnetooptic recording; Perpendicular magnetic anisotropy; Remanence; Saturation magnetization; Thermal stability; Transistors;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2002.801854

Filename

1042102