Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1804875 | Journal of Magnetism and Magnetic Materials | 2007 | 6 Pages |
Abstract
In order to elucidate the anomalous magnetic properties in the ferromagnetically ordered state of SmNi4Ga GdNi4Ga and TbNi4Ga, we have carried out a detailed study with magnetization and specific heat (SH) measurements. GdNi4Ga shows the possibility of a filled 3d band and a helical spin arrangement below the ordering temperature. TbNi4Ga shows a dominant crystal field effect resulting in a deviation of TC from the de-Gennes scaling and possible Schottky anomalies in the SH. SmNi4Ga shows a large coercivity at low temperatures. A rough estimate of the domain wall thickness in SmNi4Ga gives a value of 8Â Ã
.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Condensed Matter Physics
Authors
Devang A. Joshi, C.V. Tomy, R. Nagarajan, S.K. Malik,