Field dependence of the d.c. magnetic susceptibility in FexMg1-xCl2
- 20 September 1983
- journal article
- Published by IOP Publishing in Journal of Physics C: Solid State Physics
- Vol. 16 (26) , L939-L943
- https://doi.org/10.1088/0022-3719/16/26/003
Abstract
The authors have studied the temperature dependence of the susceptibility of insulating FexMg1-xCl2 in various uniform magnetic fields up to 8000 Oe. For x=0.286 spin glass behaviour is observed and the reversibility temperature moves down with field. For x=0.552 results give evidence for two transitions: paramagnetic-antiferromagnetic phase and antiferromagnetic-spin glass phases; the uniform magnetic field enlarges the domain of existence of the spin glass phase (H<5000 Oe), giving an experimental illustration of random field effects.Keywords
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