A Congruent‐Melting Mid‐Infrared Nonlinear Optical Vanadate Exhibiting Strong Second‐Harmonic Generation

Wu, Chao; Jiang, Xingxing; Lin, Lin; Hu, Yi; Wu, Tianhui; Lin, Zheshuai; Huang, Zhipeng; Humphrey, Mark G.; Zhang, Chi

doi:10.1002/anie.202108886

Cited by 43 publications

(24 citation statements)

References 94 publications

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“…Modulation of SHG responses can be achieved by incorporating second-order Jahn–Teller (SOJT) distorted cations, 5–7 such as octahedrally coordinated d 0 -transition metal (TM) cations ( e.g. , Ti 4+ , V 5+ , Nb 5+ , Mo 6+ , etc. )…”

Section: Introductionmentioning

confidence: 99%

Wide bandgaps and strong SHG responses of hetero-oxyfluorides by dual-fluorination-directed bandgap engineering

Jiang

et al. 2022

Chem. Sci.

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Section: Introductionmentioning

confidence: 99%

Wide bandgaps and strong SHG responses of hetero-oxyfluorides by dual-fluorination-directed bandgap engineering

Jiang

et al. 2022

Chem. Sci.

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“…The nonlinear optical (NLO) crystal is indispensable for the production of coherent and tuneable wavelengths in the allsolid-state laser technology based on optical parametric amplification or oscillation [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18]. Typical infrared (IR) NLO materials, such as diamond-like AgGaS 2 (AGS), AgGaSe 2 and ZnGeP 2 [19], display large NLO intensities and wide transparent regions.…”

Section: Introductionmentioning

confidence: 99%

三元AGa5S8 (A = K, Rb, Cs): 通过“一替多取代”策略制备的红外非线性光学材料

Chen,

Jiang,

Pei

et al. 2022

Sci. China Mater.

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Commercially available infrared (IR) nonlinear optical (NLO) materials, such as diamond-like AgGaQ 2 (Q = S, Se), display large NLO coefficients but relatively low laserinduced damage thresholds (LIDTs), which seriously hinder their widespread laser applications. Herein, the "one-formultiple substitution" strategy, namely, [SZn 4 6+ + 5Zn 2+ ⇒ A + + 5Ga 3+ ] (A = K, Rb and Cs), is applied on the diamond-like zinc-blende ZnS, and affords three new polar ternary crystals AGa 5 S 8 (A = K, Rb and Cs) through the solid-state method. These compounds inherit the diamond-like anionic backbone framework in ZnS where the NLO functional motifs GaS 4 are arranged in a parallel manner. This characteristic accounts for the remarkable phase-matchable second-harmonic generation intensities (1.1-1.2 × AgGaS 2 ). In addition, the inclusion of the highly electropositive A + cations affords a band gap ranging from 3.10 to 3.37 eV, which facilitates the improvement of LIDT (9.3-12.4 × AgGaS 2 ). To the best our knowledge, crystals AGa 5 S 8 (A = K, Rb and Cs) are the first series of ternary A-inclusion chalcogenides with large second-harmonic generation responses (≥1.0 × AgGaS 2 ) and wide band gaps (≥3.0 eV), fulfilling the rigorous requirements of outstanding IR NLO materials. In addition, the "one-for-multiple substitution" strategy presents the great significance of diamondlike structure evolution and provides a remarkable opportunity to achieve NLO materials.

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“…Borates as a remarkable source of nonlinear optical (NLO) material have been forced on study for many decades. − Notable examples, LiB 3 O 5 (LBO) and β-BaB 2 O 4 (BBO), exhibit great NLO properties and have been widely used as NLO materials. , Depending on the anionic group theory created by Chen, the inorganic π-orbital systems of BO 3 3– , B 3 O 6 3– , and B 3 O 7 5– groups may be the source of high SHG response of LBO and BBO. The unique coordination modes of boron atom, BO 3 triangle, or BO 4 tetrahedron, give borates diverse structure types.…”

Section: Introductionmentioning

confidence: 99%

Two Mixed Alkali-Metal Borates Templated from Cations to Clusters

Yang

2022

Inorg. Chem.

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Two mixed alkali-metal borates, K 0.5 Li [B 6 O 10 ]•0.5H 3 O (1) and [(μ 5 -OH)@(Na 4 Li)] 0.5 [B 6 O 10 ]•0.5B(OH) 3 (2), have been prepared under solvothermal conditions. Both of them are obtained in the same synthetic system and contain a B 6 O 13 8− cluster as the structural-building unit (SBU) but exhibit quite different structural features. 1 is a centric three-dimensional (3D) oxoboron (B−O) framework, where templated mixed K + and Li + cations occupied the cavities of the structure. 2 crystallizes in an acentric space group under the templating effect of a unique acentric alkali-metal cluster [(μ 5 -OH)@(Na 4 Li)] 4+ . The SBU of 2 is also the B 6 O 13 8− cluster, which acts as six-connected nodes linked together to form a 3D B−O framework, showing different characters from 1 because of two types of templates; the acentric [(μ 5 -OH)@(Na 4 Li)] 4+ clusters and the electroneutral B (OH) 3 groups fill in two different cages in the framework and further connect each other via Na−O−B bonds to build a novel two-dimensional (2D) wavy bricklike network, resulting in a 3D B−O framework interpenetrated by a 2D [(μ 5 -OH) @(Na 4 Li)]−B(OH) 3 network. As a crystal material with an acentric space group, 2 shows a good second harmonic generation response of about 2.8 times that of KDP (KH 2 PO 4 ) and has a cutoff edge below 190 nm, which suggests that 2 is a potential deep-UV NLO material.

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A Congruent‐Melting Mid‐Infrared Nonlinear Optical Vanadate Exhibiting Strong Second‐Harmonic Generation

Cited by 43 publications

References 94 publications

Wide bandgaps and strong SHG responses of hetero-oxyfluorides by dual-fluorination-directed bandgap engineering

Wide bandgaps and strong SHG responses of hetero-oxyfluorides by dual-fluorination-directed bandgap engineering

三元AGa5S8 (A = K, Rb, Cs): 通过“一替多取代”策略制备的红外非线性光学材料

Two Mixed Alkali-Metal Borates Templated from Cations to Clusters

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