New anti-fluorite solid-solution phases in Li-Ti-N ternary system
Source abstract
Abstract
New Li-Ti-N solid-solution compounds with an anti-fluorite-type superstructure were synthesized by heating the mixture of Li3N and TiN at 800°C in Ar flow. The compositions of the new compounds seem to lie on the tie-line between the two well-known compounds, Li3N (hexagonal, P6/mmm) and Li5TiN3 (cubic, I21/a-3) by Li evaporation during heating in Ar gas flow, and nominally represented with Li5+yTi1-yN3-y. The solubility is large; the anti-fluorite-type superstructure of Li5TiN3 (y = 0) was retained up to y = ca. 0.9, which is close to the end member Li3N (y = 1) with a different layered structure. This finding opens up further exploring other new Li-M-N (M = transition metals, group XIII, or XIV elements) phases with some attractive functions.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Inorganic Chemistry and Materials · MXene and MAX Phase Materials · Hydrogen Storage and Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Electronic Chemistry, Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
Functional Materials Laboratory, Central Research Laboratories, Idemitsu Kosan Co., Ltd.
References (24)
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