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 TN = 44 K, whereas ferromagnetic ordering was found for NpBC below TC = 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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CITATION STYLE
Klimczuk, T., Shick, A. B., Kozub, A. L., Griveau, J. C., Colineau, E., Falmbigl, M., … Rogl, P. (2015). Ferro- and antiferro-magnetism in (Np, Pu)BC. APL Materials, 3(4). https://doi.org/10.1063/1.4913564
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