Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 138, Issue 1, Pages 88-91Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b11712
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Funding
- Welch Foundation [E-1457]
- NSF [DMR-1503573, DMR-1454688]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1454688] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1503573] Funding Source: National Science Foundation
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A new ultraviolet nonlinear optical (NLO) material, Pb3Mg3TeP2O14 (PMTP), has been synthesized and characterized. The chiral material exhibits a large second harmonic generation (SHG) response of 13.5 x KDP (600 x alpha-SiO2), and the shortest absorption edge (250 nm) of reported materials with a strong SHG response (>10 x KDP). PMTP has a three-dimensional crystal structure of corner-shared MgO4, PO4, and TeO6 polyhedra, which form a [TeMg3P2O14](infinity) framework. Electronic structure calculations revealed that the stereo-active lone pair on the Pb2+ cation is critical to producing the substantial NLO response and that the NLO activity is further enhanced by the presence of triply bidentate Te6+ cations found in Te-O-O-Pb rings.
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