UNSPECIFIED (2003) Magnetic behaviour of the tetravalent praseodymium compound Sr2PrO4. JOURNAL OF PHYSICS-CONDENSED MATTER, 15 (44). pp. 7585-7590. ISSN 0953-8984

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Abstract

We report on investigations of the magnetic properties of the tetravalent praseodymium (Pr4+) compound Sr2PrO4 by dc and ac magnetic susceptibility and heat capacity measurements. The compound shows signatures of long range magnetic order at T-N = 3 K in the heat capacity and magnetization data. In addition, the temperature dependence of the field cooled and the zero-field cooled susceptibility is hysteretic below 10 K. Heat capacity versus temperature data show that a significant part of the magnetic entropy is released above T-N. This reveals that short range magnetic correlations among the Pr moments exist well above T-N. The magnetic entropy obtained from the heat capacity measurements indicates that only the crystal field ground state of Pr with effective spin-1/2 is significantly populated at low temperatures.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	JOURNAL OF PHYSICS-CONDENSED MATTER
Publisher:	IOP PUBLISHING LTD
ISSN:	0953-8984
Date:	12 November 2003
Volume:	15
Number:	44
Number of Pages:	6
Page Range:	pp. 7585-7590
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/8956

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