Magnetic behavior of stoichiometric and nonstoichiometric GdAs single crystals
- 1 April 1996
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 53 (13) , 8473-8480
- https://doi.org/10.1103/physrevb.53.8473
Abstract
The magnetizations, magnetic susceptibilities, and specific heats of both stoichiometric and nonstoichiometric single crystals GdAs are measured at temperatures 1.7≤T≤300 K and magnetic fields 0≤H≤24 T. A systematic comparison between the magnetic behavior of the stoichiometric and nonstoichiometric samples is carried out. The stoichiometric sample shows the magnetic features expected for a Heisenberg antiferromagnet. For the nonstoichiometric sample, some anomalous magnetic properties are observed and explained by the trapped magnetic polaron model. © 1996 The American Physical Society.Keywords
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