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Non-Centrosymmetric RbNaMgP2O7 with Unprecedented Thermo-Induced Enhancement of Second Harmonic Generation
Abstract
It is of great difficulty to obtain deep-UV transparent materials with enhanced second harmonic generation (SHG), mainly limited by the theoretically poor transparency of these materials in the deep-UV spectral region. Here we report a new noncentrosymmetric, deep-UV transparent phosphate RbNaMgP 2 O 7, which undergoes a thermo-induced reversible phase transition (at a high temperature of 723 K) and correspondingly an evident SHG enhancement up to ∼1.5 times. The phase transition is aroused by the twist of [P 2 O 7 ] 4– dimers with deviation from the P–O–P equilibrium positions. Theoretical analyses reveal that the enhanced SHG can be ascribed to the thermo-induced collective alignment of SHG-active [P 2 O 7 ] 4– dimers along the polar axis of high-temperature phase. This work provides an unprecedented physical routine (to SHG-enhanced materials) that is distinguished from the traditional one by chemical design and synthesis.
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Cites
Giant anisotropic nonlinear optical response in transition metal monopnictide Weyl semimetals
Wu, L., Patankar, S., Morimoto, T., Nair, N. L., Thewalt, E., Little, A., Analytis, J. G., Moore, J. E., & Orenstein, J. (2017) · Nature Physics · doi:10.1038/nphys3969 · Cited by 468
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Zou, G., & Ok, K. M. (2020) · Chemical Science · doi:10.1039/d0sc01936d · Cited by 303
Two Non-π-Conjugated Deep-UV Nonlinear Optical Sulfates
Li, Y., Liang, F., Zhao, S., Li, L., Wu, Z., Ding, Q., Liu, S., Lin, Z., Hong, M., & Luo, J. (2019) · Journal of the American Chemical Society · doi:10.1021/jacs.9b00138 · Cited by 268
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Metadata
- Authors
- Zhao, S., Yang, X., Yang, Y., Kuang, X., Lu, F., Shan, P., Sun, Z., Lin, Z., Hong, M., & Luo, J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-01-24
- Volume
- 140
- Issue
- 5
- Pages
- 1592-1595
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2785073595
- Cited by
- 239
- References
- 1
- FWCI
- 9.50
- Type
- journal article
- Language
- en
- Open access
- closed
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- Zhao, S., Yang, X., Yang, Y., Kuang, X., Lu, F., Shan, P., Sun, Z., Lin, Z., Hong, M., & Luo, J. (2018). Non-Centrosymmetric RbNaMgP2O7 with Unprecedented Thermo-Induced Enhancement of Second Harmonic Generation. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.7b12518
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