Pressure induced variation of second harmonic efficiency of K3B6O10Cl

被引:15
作者
Wang, Hui [1 ]
Kong, Lingyao [2 ]
Zhao, Xiaoyan [1 ]
Lv, Zhenlong [1 ]
Li, Tongwei [1 ]
Ju, Wei Wei [1 ]
You, Jinghan [1 ]
Bai, Ying [3 ,4 ]
机构
[1] Henan Univ Sci & Technol, Sch Phys & Engn, Luoyang 471003, Peoples R China
[2] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
[3] Henan Univ, Key Lab Photovolta Mat Henan Prov, Kaifeng 475004, Peoples R China
[4] Henan Univ, Sch Phys & Elect, Kaifeng 475004, Peoples R China
关键词
NONLINEAR-OPTICAL COEFFICIENTS; BARIUM BORATE BETA-BAB2O4; GENERATION; CRYSTAL;
D O I
10.1063/1.4820412
中图分类号
O59 [应用物理学];
学科分类号
摘要
K3B6O10Cl is a perovskite-like nonlinear optical (NLO) crystal, which exhibits large second harmonic generation (SHG) response. Based on density-functional theory, we investigate the influence of pressure on SHG tensor of K3B6O10Cl. At zero pressure, the non-centrosymmetric distortion of K3B6O10Cl from BO4 tetrahedron results in the similar SHG tensor to b-BaB2O4 (BBO). At 50GPa, the ClK6 octahedron distortion of K3B6O10Cl becomes the main source of SHG and give similar SHG tensor to LiNbO3. Therefore, pressure induces K3B6O10Cl from a BBO-like NLO material to a LiNbO3-like NLO material. (C) 2013 AIP Publishing LLC.
引用
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页数:4
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