Low-temperature Study of Magnetic Ordering in Gadolinium Orthophosphate
The zero-field heat capacity shows an antiferromagnetic ordering of Gd3C in gadolinium orthophosphate at 0.8 K. The application of the external magnetic field leads to the splitting of the Gd3C ground-state multiplet. The antiferromagnetic
ordering becomes gradually suppressed with increasing field, and the loss of the long-range magnetic ordering with a threshold field between 0.2 and 0.5 T is indicated by heat-capacity data. Estimated entropy of the anomaly due to magnetic ordering or the
Schottky-type anomaly (above 0.5 T) is close to Rln8 as expected for Gd3C ground-state multiplet. Magnetization measurements above 2 K corroborate this magnetic behaviour.
THIRIET Catherine;
JAVORSKY Pavel;
KONINGS Rudy;
2005-09-08
Elsevier B.V.
JRC30453
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