	US 11,898,267 B2
	Nonlinear optical crystal fluorine boron beryllium salt and its preparation process and use
Ning Ye, Fujian (CN); Guang Peng, Fujian (CN); Min Luo, Fujian (CN); Ge Zhang, Fujian (CN); and Yu Chen, Fujian (CN)
Assigned to FUJIAN INSTITUTE OF RESEARCH ON THE STRUCTURE OF MATTER, CHINESE ACADEMY OF SCIENCES, Fujian (CN)
Filed by FUJIAN INSTITUTE OF RESEARCH ON THE STRUCTURE OF MATTER, CHINESE ACADEMY OF SCIENCES, Fujian (CN)
Filed on Nov. 11, 2020, as Appl. No. 17/095,492.
Application 17/095,492 is a continuation in part of application No. 15/763,734, granted, now 10,858,756, previously published as PCT/CN2015/099397, filed on Dec. 29, 2015.
Claims priority of application No. 201510629534.5 (CN), filed on Sep. 29, 2015; and application No. 201510629660.0 (CN), filed on Sep. 29, 2015.
Prior Publication US 2021/0062363 A1, Mar. 4, 2021
Int. Cl. C30B 29/12 (2006.01); C30B 29/66 (2006.01); C30B 7/10 (2006.01); C30B 35/00 (2006.01); C30B 9/12 (2006.01); G02F 1/39 (2006.01); G02F 1/355 (2006.01); G02F 1/35 (2006.01); C01B 35/12 (2006.01)

CPC C30B 29/12 (2013.01) [C30B 7/10 (2013.01); C30B 9/12 (2013.01); C30B 29/66 (2013.01); C30B 35/002 (2013.01); G02F 1/353 (2013.01); G02F 1/3551 (2013.01); G02F 1/39 (2013.01); C01B 35/128 (2013.01)]

13 Claims

1. A fluorine boron beryllium salt, having a chemical formula of Be₂BO₃F, and is a nonlinear optical crystal having a trigonal structure, wherein the nonlinear optical crystal crystallizes in a non-centrosymmetrical structure with a space group of R32, and cell parameters of a=4.4398 Å, b=4.4398 Å, c=12.4697 Å, α=β=90° , γ=120° , z=3, and unit cell volume (V)=212.87 Å³.