Structures of lithium-zinc compounds at high pressures

Philip Dalladay-Simpson, Jack Binns, Mengnan Wang, Miriam Peña-Alvarez, Edward J. Pace, Eugene Gregoryanz, Xiao Jia Chen, Ross Howie

Research output: Contribution to journalArticlepeer-review

Abstract

Intermetallic lithium compounds have found a wide range of applications owing to their light mass and desirable electronic and mechanical properties. Here, by compressing pure lithium and zinc mixtures in a diamond-anvil cell, we observe a direct reaction forming the stoichiometric compound LiZn, at pressures below 1 GPa. On further compression above 10 GPa, we observe the formation of Li 2 Zn, which is the highest lithium content compound to be discovered in the Li-Zn system. Our results constrain the structures of these compounds and their evolution with pressure, furthering our understanding of potentially useful light volume-efficient energy storage materials.

Original languageEnglish
Article number024306
JournalJournal of Chemical Physics
Volume149
Issue number2
DOIs
Publication statusPublished - 13 Jul 2018

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