A layered wide-gap oxyhalide semiconductor with an infinite ZnO2 square planar sheet: Sr2ZnO2Cl2.

Yu SuYoshihiro Tsujimoto Akira MiuraShinichiro AsaiMaxim AvdeevHiraku OginoMiho AkoAlexei A BelikTakatsugu MasudaTetsuo UchikoshiKazunari Yamaura

Published in: Chemical communications (Cambridge, England) (2018)

A new square-planar zinc oxyhalide, Sr2ZnO2Cl2, was successfully synthesized using a high-pressure method. Absorption spectroscopy revealed an indirect band gap of 3.66 eV. Electronic structure calculations indicated a strong hybridization between Zn 3dx2-y2 and O 2p orbitals, which is distinct from tetrahedrally coordinated ZnO.

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