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New transuranium intermetallic compounds with ThCr2Si2- and CaBe2Ge2-type structures

Authors
Journal
Journal of Alloys and Compounds
0925-8388
Publisher
Elsevier
Publication Date
Volume
196
Identifiers
DOI: 10.1016/0925-8388(93)90575-8

Abstract

Abstract The crystallographic data for 24 new RMt 2× 2 compounds (R  Th, Np, Pu; Mt  3d, 4d or 5d transition element from the VIa-IIb families; X  Si, Ge) crystallizing with the ThCr 2Si 2- or CaBe 2Ge 2-type structure, are presented. The variation in the crystallographic parameters through this family of actinide compounds is discussed. The average atomic volume V at and the c/a ratio present a quite singular variation in the cases of Ru and Pt compounds. These parameters seem to be useful as a rough indication in the selection of compounds with unusual physical properties.

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