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"三合一":一种新的比斯穆特--二₃TeBO₉ 呈现强烈的第二子反应

Mingjun Xia¹, Xingxing Jiang¹, Zheshuai Lin^1,2

¹Beijing Center for Crystal Research and Development, Key Laboratory of Functional Crystals and Laser Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences , Beijing 100190, China.

Journal of the American Chemical Society

|October 16, 2016

概括

合成了一种新的非线性光学材料Bi3TeBO9 (BTBO). 它具有异常大的第二波反应 (SHG),大约是KDP的20倍,使其成为领先的酸NLO材料.

科学领域:

材料科学
固态化学
晶体学

背景情况:

非线性光学材料对于频率转换等技术至关重要.
开发具有增强性能的新型NLO材料是一个正在进行的研究领域.
酸盐材料是NLO化合物的重要类别.

研究的目的:

为了合成和描述一种新的非线性光学材料,Bi3TeBO9 (BTBO).
调查其NLO属性的结构起源.
评估其第二声波 (SHG) 的性能.

主要方法:

高温溶液方法用于晶体生长.
测定晶体结构的X射线晶体学 (极地空间组P63).
分析NLO财产增值的第一原则计算.

主要成果:

成功生长Bi3TeBO9 (BTBO) 晶体
BTBO结构具有相互连接的[Bi3O9]块,TeO6和BO3单元.
三个NLO活性单元的同时存在:Bi3+,TeO6八面体和BO3组.
极大的SHG反应 (约. 在已知的酸NLO材料中,KDP是最大的.

结论:

Bi3TeBO9是一种有前途的新型酸NLO材料,具有卓越的SHG性能.
多个NLO活性单元的协同效应有助于其增强的光学特性.
第一个原则分析证实了SHG显著增强的结构基础.

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