MAGNETOSTRICTION AND MAGNETIC GRUNEISEN PARAMETERS IN PSEUDO-BINARY RARE EARTH-TRANSITION METAL-ALLOYS

Authors
PULVIRENTI PP JILES DC
Citation
Pp. Pulvirenti et Dc. Jiles, MAGNETOSTRICTION AND MAGNETIC GRUNEISEN PARAMETERS IN PSEUDO-BINARY RARE EARTH-TRANSITION METAL-ALLOYS, IEEE transactions on magnetics, 32(5), 1996, pp. 4785-4787
Citations number
5
Categorie Soggetti
Engineering, Eletrical & Electronic","Physics, Applied
Journal title
IEEE transactions on magnetics → ACNP
ISSN journal
00189464
Volume
32
Issue
5
Year of publication
1996
Part
2
Pages
4785 - 4787
Database
ISI
SICI code
0018-9464(1996)32:5<4785:MAMGPI>2.0.ZU;2-S
Abstract
A magnetoelastic Gruneisen parameter has been derived from thermodynam ic equations of state. It has been found that the magnetoelastic Grune isen parameter is proportional to the magnetomechanical coupling coeff icient, k. This relates directly the energy conversion efficiency to t he the anharmonicity in the crystal lattice. It therefore provides a w ay of predicting the field dependence of the energy conversion efficie ncy in magnetostrictive materials.