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β-CsB9O14: A Triple-Layered Borate with Edge-Sharing BO4 Tetrahedra Exhibiting a Short Cutoff Edge and a Large Birefringence |
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| Authors: | Dr Shujuan Han Chunmei Huang Abudukadi Tudi Shuaishuai Hu Prof Zhihua Yang Prof Shilie Pan |
| Institution: | 1. CAS Key Laboratory of Functional Materials, and Devices for Special Environments, CAS, Xinjiang Key Laboratory of Electronic Information Materials, and Devices, Xinjiang Technical Institute of Physics & Chemistry, 40-1 South Beijing Road, Urumqi, 830011 China;2. CAS Key Laboratory of Functional Materials, and Devices for Special Environments, CAS, Xinjiang Key Laboratory of Electronic Information Materials, and Devices, Xinjiang Technical Institute of Physics & Chemistry, 40-1 South Beijing Road, Urumqi, 830011 China
Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049 China |
| Abstract: | The first triple-layered borate with edge-sharing BO4 tetrahedra, β-CsB9O14 was obtained under vacuum-sealed condition. It represents a new structure type and enriches the structural diversity of borates. Moreover, β-CsB9O14 exhibits a short UV cutoff edge and a large birefringence, indicating that it could be regarded as a DUV birefringent crystal. |
| Keywords: | deep-ultraviolet edge-sharing BO4 large birefringence theoretical calculation triple-layered borate |