BaZn3(BO3)2F2: a new beryllium-free zincoborate with a KBBF-type structure

Haotian Qiu; Ming Xia; Wenbing Cai; Zhihua Yang; Yanli Liu; Miriding Mutailipu; Shilie Pan

doi:10.1039/D1DT02356J

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BaZn₃(BO₃)₂F₂: a new beryllium-free zincoborate with a KBBF-type structure†

Haotian Qiu,‡^ab Ming Xia,‡^ab Wenbing Cai,^a Zhihua Yang,

^ab Yanli Liu,^c Miriding Mutailipu

*^ab and Shilie Pan

*^ab

Author affiliations

* Corresponding authors

^a CAS Key Laboratory of Functional Materials and Devices for Special Environments, Xinjiang Technical Institute of Physics & Chemistry, CAS, and Xinjiang Key Laboratory of Electronic Information Materials and Devices, 40-1 South Beijing Road, Urumqi 830011, China
E-mail: miriding@ms.xjb.ac.cn, slpan@ms.xjb.ac.cn

^b Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

^c College of Materials Science and Engineering, Hunan University, Changsha 410004, China

Abstract

A new beryllium-free zincoborate, BaZn₃(BO₃)₂F₂, with a KBBF-type structure has been synthesized for the first time. The electrostatic force of interaction in BaZn₃(BO₃)₂F₂ provides better linkage in neighboring [ZnBO₃F]_∞ single layers. BaZn₃(BO₃)₂F₂ is the first case of borates with both [ZnO₃F] tetrahedra and [ZnO₆] octahedra, enriching the structural chemistry of borate system. All the coplanar [BO₃] triangles align in the same direction with a high density, which endows BaZn₃(BO₃)₂F₂ with a large birefringence of cal. 0.076 at 1064 nm. This work is of great significance to design beryllium-free borates with a KBBF-type structure.

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DOI: https://doi.org/10.1039/D1DT02356J
Article type: Communication
Submitted: 15 Jul 2021
Accepted: 26 Aug 2021
First published: 15 Sep 2021

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Dalton Trans., 2021,50, 13216-13219

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BaZn₃(BO₃)₂F₂: a new beryllium-free zincoborate with a KBBF-type structure

H. Qiu, M. Xia, W. Cai, Z. Yang, Y. Liu, M. Mutailipu and S. Pan, Dalton Trans., 2021, 50, 13216 DOI: 10.1039/D1DT02356J

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