Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 56, Issue 11, Pages 2969-2973Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201612236
Keywords
borates; nonlinear optics; polymorphs; second harmonic generation; solid-state structures
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Funding
- Welch Foundation [E-1457]
- NSF [DMR-1503573, DMR-1454688]
- DOE [DE-SC0012375]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1454688] Funding Source: National Science Foundation
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A new beryllium-free deep-ultraviolet (DUV) nonlinear optical (NLO) material, beta-Rb2Al2B2O7 (beta-RABO), has been synthesized and characterized. The chiral nonpolar acentric material shows second-harmonic generation (SHG) activity at both 1064 and 532 nm with efficiencies of 2 X KH2PO4 and 0.4 X beta-BaB2O4, respectively, and exhibits a short absorption edge below 200 nm. beta-Rb2Al2B2O7 has a three-dimensional structure of corner-shared Al(BO3)(3)O polyhedra. The discovery of beta-RABO shows that through careful synthesis and characterization, replacement of KBe2BO3F2 (KBBF) by a Be-free DUV NLO material is possible.
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