Magnetic study in amorphous Fe67Y33 alloy

Citation
A. Hassini et al., Magnetic study in amorphous Fe67Y33 alloy, J APPL PHYS, 90(10), 2001, pp. 5253-5256
Citations number
22
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
JOURNAL OF APPLIED PHYSICS
ISSN journal
00218979 → ACNP
Volume
90
Issue
10
Year of publication
2001
Pages
5253 - 5256
Database
ISI
SICI code
0021-8979(20011115)90:10<5253:MSIAFA>2.0.ZU;2-4
Abstract
An amorphous Fe67Y33 alloy has been prepared by the melt-spinning method an d its magnetic properties have been studied. The thermomagnetization curve is found to obey the Bloch law; spin wave stiffness constant D and the exch ange constant A were calculated from the experimental results. From an anal ysis of the approach to saturation magnetization, the local random anisotro py constant K-L has been extracted. A and K-L are found to decrease with in creasing temperature. Experimental data show that the ferromagnetic correla tion R-f increases with increasing temperature. (C) 2001 American Institute of Physics.