期刊
ADVANCED SCIENCE
卷 6, 期 22, 页码 -出版社
WILEY
DOI: 10.1002/advs.201901679
关键词
borates; crystal growth habits; KBBF family; nonlinear optical materials; second harmonic generation
资金
- Key Research Project of Frontier Science of CAS [QYZDB-SSW-JSC049]
- National Key Research Project [2016YFB0402104]
- National Natural Science Foundation of China [51425206, 61835014]
- Youth Innovation Promotion Association of CAS [2012305]
The conflict between beneficial layered structure for performances and layered growth habits in KBe2BO3F2 (KBBF) always restricts its practical applications. A beryllium-free KBBF family member, Zn2BO3(OH), is explored to feature the same topological layer with KBBF by replacing [BeO3F](5-) with [ZnO3(OH)](5-) and excellent UV performances. It exhibits a second harmonic generation response of about 1.5 x KH2PO4 with the UV cutoff edge of 204 nm. The birefringence of Zn2BO3(OH) in the visible region is about 0.067, which is larger than those of commercial UV crystals LiB3O5, CsB3O5, and CsLiB6O10. Additionally, it has excellent thermal and water-resistant stabilities. Owing to the removal of interlayer cations, Zn2BO3(OH) shows better growth habits than KBBF while achieving the balance between beneficial layered structure and layer tendency.
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