Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 322, Issue 6, Pages 692-697Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2009.10.043
Keywords
Magnetocaloric; Magnetostriction; Strain
Funding
- Research Corporation [RA0357]
- US Department of Energy [DE-FG02-06ER46291]
- U.S. Department of Energy (DOE) [DE-FG02-06ER46291] Funding Source: U.S. Department of Energy (DOE)
Ask authors/readers for more resources
We have studied the magnetic, magnetocaloric, and magnetostriction properties of LaFe11.4Si1.6 and La(Fe(0.99)Z(0.01))(11.4)Si-1.6(Z=Ni, Cu, Cr, V) compounds using magnetization and strain gauge techniques. It was found that substitution of 1% of the Fe by Z-elements results in an increase in the Curie temperature (T-C), and affects the magnetostriction and magnetocaloric properties of the parent compound, LaFe11.4Si1.6. A maximum shift in T-C of about 11 K, and significantly smaller hysteresis losses in the vicinity of T-C compared with those of the base compound, were found for Z=V. The maximum magnetovolume coupling constant was estimated to be n(dd) approximate to 2.7 x 10(-3) (mu(B)/Fe atom)(-2) for the parent compound. The changes in the volume magnetostriction, the magnetovolume coupling constant, and the magnetocaloric properties are strongly correlated with composition. The relative effects of the variation in cell parameters and electron concentration on the magnetostriction, T-C, and the magnetocaloric properties are discussed. (C) 2009 Elsevier B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available