Thermal expansion in the magnetically ordered phases of holmium

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, , Citation D A Tindall et al 1977 J. Phys. F: Met. Phys. 7 L263 DOI 10.1088/0305-4608/7/9/005

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1 Dept. of Phys., St. Francis Xavier Univ., Antigonish, NS, Canada

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0305-4608/7/9/L263

Abstract

High-resolution capacitance dilatometric measurements of the thermal expansion of single-crystal holmium along the a and c axes are reported from 4.2 to 150K with special attention paid to the regions around 20, 90 and 130K. No anomalous behaviour is found around 90K. Both the Curie and Neel transitions are found to be first order, and the existence of a further transition at about 25K is confirmed.

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