The cubic structure of Li3As stabilized by substitution – Li8TtAs4 (Tt = Si, Ge) and Li14TtAs6 (Tt = Si, Ge, Sn) and their lithium ion conductivity - University of Regensburg Publication Server

DOI to cite this document:: 10.5283/epub.58697

Schmid, Martin ; Wegner, Florian ; De Giorgi, Claudia ; Pielnhofer, Florian

; Pfitzner, Arno

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Date of publication of this fulltext: 25 Jul 2024 10:30

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Abstract

The new lithium arsenidotetrelates Li8SiAs4, Li8GeAs4, Li14SiAs6, Li14GeAs6 and Li14SnAs6 were synthesized via ball milling and structurally characterized by Rietveld analysis of X-ray powder diffraction data. The aliovalent substitution of lithium in hexagonal Li3As by introducing a tetravalent tetrel cation stabilizes cubic structures for Li8TtAs4 (Tt = Si, Ge) in the space group Pa[3 with ...