In:
Angewandte Chemie, Wiley, Vol. 133, No. 48 ( 2021-11-22), p. 25506-25510
Abstract:
Rationally designing a high‐performance nonlinear optical (NLO) crystal remains a great ongoing challenge. It involves not only the design of noncentrosymmetric structures but also property optimization. In this communication, a new strategy for effectively designing the NLO crystal has been put forward, that is, using the structure‐directing property of oxyfluoride anions to obtain a noncentrosymmetric and polar structure, and then by substitution of IO 3 − for isovalent F − anions to further enhance the SHG response. With this strategy, a new iodate fluoride, Ba 2 [MoO 3 F(IO 3 )](MoO 3 F 2 ) has been successfully designed from the Ba 2 (MoO 3 F 2 )F 2 with the cis ‐directing [MoO 4 F 2 ] 4− groups. It exhibits a large SHG response (≈8×KDP), a wide transparent region (0.30–10.92 μm), a high laser‐induced damage threshold (LDT) (88.53 MW cm −2 ), and a large birefringence (≈0.264@532 nm). These indicate Ba 2 [MoO 3 F(IO 3 )](MoO 3 F 2 ) would be a promising NLO crystal.
Type of Medium:
Online Resource
ISSN:
0044-8249
,
1521-3757
DOI:
10.1002/ange.v133.48
DOI:
10.1002/ange.202111780
Language:
English
Publisher:
Wiley
Publication Date:
2021
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