issue contents
September 2022 issue
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Cover illustration: The novel quaternary thiogermanate Li4CdGe2S7 was discovered from a solid-state reaction at 750 °C. The compound adopts the Cu5Si2S7 structure type, which is a derivative of lonsdaleite. Li4CdGe2S7 appears to be a better IR nonlinear optical candidate than Li2CdGeS4 and one of the most promising contenders to date. See Craig, Shin, Cho, Balijapelly, Kelly, Stoyko, Choudhury, Jang & Aitken [Acta Cryst. (2022), C78, 470–480].
research papers
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