Linear specific heat of an amorphous magnet due to single-ion excitations
- 1 January 1978
- journal article
- Published by EDP Sciences in Journal de Physique Lettres
- Vol. 39 (18) , 327-330
- https://doi.org/10.1051/jphyslet:019780039018032700
Abstract
The specific heat of an amorphous Dy-Cu alloy includes a large linear contribution (γ = 155 mJ/mole K2) at temperatures well below the sharp spin-freezing transition at Tf = 18 K. This can be simply explained in terms of single-ion excitations of a Kramers ion interacting with a random oriented crystal field and a weaker magnetic fieldKeywords
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