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BaB2 O3 F2 : A Barium Fluorooxoborate with a Unique [B2 O3 F]- Layer and Short Cutoff Edge
Chunmei Huang1,2, Fangfang Zhang1,2, Hao Li1,2
1CAS Key Laboratory of Functional Materials and Devices for Special, Environments, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences; Xinjiang Key Laboratory, of Electronic Information Materials and Devices, 40-1 South Beijing Road, Urumqi, 830011, P. R. China.
Abstract:
Substitution of oxygen by fluorine in the borate group offers a materials platform from which intriguing structure and functionality may arise. Herein, we report a new fluorooxoborate, BaB2 O3 F2 , synthesized by introducing the F atoms into the BaO-B2 O3 system. BaB2 O3 F2 exhibits a unique oxyfluoride layer [B2 O3 F]- and a deep-ultraviolet cutoff edge below 180 nm. The effect of the introduction of F atoms on the structure and optical property of the borate group has been investigated; this should be useful to further expand borate chemistry and materials.
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