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Ferro- and antiferro-magnetism in (Np, Pu)BC

Abstract

Two new transuranium metal boron carbides, NpBC and PuBC, have been synthesized. Rietveld refinements of powder XRD patterns of {Np,Pu} BC confirmed in both cases isotypism with the structure type of UBC. Temperature dependent magnetic susceptibility data reveal antiferromagnetic ordering for PuBC below T-N = 44 K, whereas ferromagnetic ordering was found for NpBC below T-C = 61 K. Heat capacity measurements prove the bulk character of the observed magnetic transition for both compounds. The total energy electronic band structure calculations support formation of the ferromagnetic ground state for NpBC and the antiferromagnetic ground state for PuBC.

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Authors (8)

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Details

Category:
Articles
Type:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Published in:
APL Materials no. 4, pages 1 - 10,
ISSN: 2166-532X
Language:
English
Publication year:
2015
Bibliographic description:
Klimczuk T., Shick A., Kozub A., Griveau J., Colineau E., Falmbigl M., Wastin F., Rogl P.: Ferro- and antiferro-magnetism in (Np, Pu)BC// APL Materials. -Vol. 4., nr. 3(4) (2015), s.1-10
DOI:
Digital Object Identifier (open in new tab) 10.1063/1.4913564
Verified by:
Gdańsk University of Technology

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