Analysis of the magnetic transitions of RE-TM ferrimagnetic compounds in high magnetic fields

Author

Asti, G. ; Solzi, M. ; Albertini, F. ; Bolzoni, F.

Author_Institution

Dipartimento di Fisica, Parma Univ., Italy

Volume

30

Issue

2

fYear

1994

fDate

3/1/1994 12:00:00 AM

Firstpage

1003

Lastpage

1005

Abstract

On the basis of a phenomenological model of the anisotropic ferrimagnet, the analysis of the critical behavior of ferrimagnetic RE-TM compounds in dependence on the applied field and temperature has been carried out. The model has been applied to some RE₂TM ₁₇ intermetallic compounds in which the presence of the intermediate saturation has been experimentally verified by utilizing the SPD technique. The best-fit of the measured magnetization curves allows the achievement of information on the RE-TM exchange and on the RE and TM anisotropy and to predict the occurrence of spin-flop transitions at higher applied fields

Keywords

exchange interactions (electron); ferrimagnetic properties of substances; magnetic anisotropy; magnetic transitions; magnetisation; rare earth alloys; spin dynamics; transition metal alloys; RE-TM exchange; RE-TM ferrimagnetic compounds; RE₂TM₁₇ intermetallic compounds; SPD technique; anisotropic ferrimagnet; anisotropy; applied field; critical behavior; high magnetic fields; intermediate saturation; magnetic transitions; magnetization; phenomenological model; spin-flop transitions; Anisotropic magnetoresistance; Equations; Ferrimagnetic materials; Magnetic analysis; Magnetic anisotropy; Magnetic field measurement; Magnetic fields; Perpendicular magnetic anisotropy; Saturation magnetization; Temperature dependence;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.312471

Filename

312471