Add time:08/23/2019         Source:sciencedirect.com

Publisher SummaryMany of the structure types found in bismuthides are the same as in the antimonides. This chapter reviews known rare earth–bismuth phases and focuses on compositional and structural data, accompanied by brief descriptions of physical property data. It also summarizes data on binary rare earth–bismuth phases. The chapter then discusses ternary rare earth–bismuth phases, organized according to the third component (M) in R–M–Bi systems, as differences in bonding character are more clearly emphasized in this manner. Ternary actinide–bismuth phases are also outlined. The rare earth bismuth chalcogenides are quite different from the other systems, and really belong in a separate category. Where structures have been resolved, these are found to be valence-precise compounds containing formally Bi3+ and are expected to be semiconductors. The development of current research in the bismuthides parallels but lags behind that of the antimonides. The chapter identifies new opportunities in this area, because of which, additional compounds are expected to be forthcoming in the future.

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