Crystal growth, structure and optical properties of a new acentric crystal La2Al4.68B8O22 with a short UV absorption edge. (11th April 2016)

• Record Type: Journal Article
• Authors: Guo, Shu; Liu, Lijuan; Xia, Mingjun; Wang, Xiaoyang; Bai, Lei; Xu, Bo; Huang, Qian; Chen, Chuangtian
• Is Part Of: New journal of chemistry. Volume 40:Number 6(2016:Jun.)
• Page Start: 4870
• Page End: 4873
• Publication Date: 2016-04-11
• Subjects: Chemistry -- Periodicals; Chimie -- Périodiques; 540
• DOI: 10.1039/c5nj03646a
• Languages: English
• ISSNs: 1144-0546

Abstract

Abstract : A new acentric borate La2 Al4.68 B8 O22 crystal, grown using the top seeded solution growth method, shows a short absorption edge at 193 nm. Abstract : A new acentric borate La2 Al4.68 B8 O22 crystal was synthesized by a solid state reaction and the single crystals were successfully grown with B2 O3 –LiF flux using the top-seeded solution growth method. The structure of the titled crystal features a two-dimensional layered structure composed of [BO4 ] and [AlO5 ] groups that are bridged by the skeletal structure of the [LaO6 ] polyhedron along the c axis. Optical properties including the transmittance spectrum, IR spectrum and refractive indices have been systematically evaluated for the first time.