Ternary and quaternary metal-nitrides in the Li-Sr-Ni-N-system

Gudat, A.; Kniep, R.; Rabenau, A.

doi:10.1016/0040-6031(90)80242-Q

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Ternary and quaternary metal-nitrides in the Li-Sr-Ni-N-system

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Gudat, A., Kniep, R., & Rabenau, A. (1990). Ternary and quaternary metal-nitrides in the Li-Sr-Ni-N-system. Thermochimica Acta, 160(1), 49-56. doi:10.1016/0040-6031(90)80242-Q.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0019-B661-8

Abstract

Single crystals of ternary and quaternary phases of the Li-Sr-Ni-N-system were grown from the melt under nitrogen and were investigated by X-ray diffraction methods. The crystal structures are classified into the following groups: i. solid solutions (substitutional type) of the Li3N-structure (Li1−xNix[Li2N]), ii. structures containing fragments of the Li3N-structure (Li4SrN2, LiSrN and Li4Sr2(Li0.8.Ni0.2)N3 and iii- structures which can be derived from interstitial binary metal nitrides of the first transition series (Li3Sr3Ni4N4). The crystal structure of SrNiN is not quite clear at present, but shows close relations to the crystal structure of BaNiN (Sr(Ni1−xLix)N, resp.).