Deep-UV absorption study of nonlinear optical crystal KBe2BO3F2
โ Scribed by Wang, Xiaolong; Liu, Lijuan; Xu, Bo; Wang, Xiaoyang; Chen, Chuangtian
- Book ID
- 122146653
- Publisher
- Elsevier Science
- Year
- 2014
- Tongue
- English
- Weight
- 824 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0925-3467
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## Abstract Potassium beryllium borate fluoride, KBe~2~ ยท BO~3~F~2~, is rhombohedral (hexagonal axes) __R__32 (No.155), __a__ = __b__ = 4.427(4) ร , __c__ = 18.744(9) ร , __V__ = 318.3(4) ร ^3^, __M__ = 153.93, __D__ ~m~ = 2.40g ยท cm^โ3^, __D__ ~x~ = 2.41 g ยท cm^โ3^ for __Z__ = 3, __F__(000) = 222, __
Sizeable crystals of KBe 2 BO 3 F 2 (KBBF) were successfully grown by the hydrothermal method, but their conversion efficiency of second harmonic generation (SHG) was much lower than that of the flux grown crystals. In order to find the reason, extensive studies on defects in hydrothermal-grown KBBF