The elastic and magnetic properties of a single-crystal Gd-40%Y alloy
- 1 November 1977
- journal article
- Published by IOP Publishing in Journal of Physics F: Metal Physics
- Vol. 7 (11) , 2381-2392
- https://doi.org/10.1088/0305-4608/7/11/019
Abstract
The five independent single-crystal elastic constants of hexagonal Gd-40%Y have been measured in the temperature range 4.2-300K and in magnetic fields of up to 7 T. This temperature and magnetic field range covers the different magnetic states of the material and has allowed the magnetic phase diagram to be constructed from the anomalies present in the elastic constants and associated ultrasonic attenuation. At low temperatures and low fields the material does not follow Dy and Tb-50%Ho in transforming from an antiferromagnetic to a ferromagnetic phase but exhibits a variety of more complicated magnetic structures.Keywords
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