The nonlinear optical properties of Sn2P2S6

Anema, A.; Grabar, A. A.; Rasing, T.H.M.

doi:10.1080/00150199608224104

Cited by 18 publications

(10 citation statements)

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“…Sn 2 P 2 S 6 is a famous ferroelectric crystal, and its NLO properties have been investigated since the last century. , In 2005, Haertle et al carefully measured Sn 2 P 2 S 6 ’s phase matching conditions and NLO coefficients by the Maker-Fringe technique . Sn 2 P 2 S 6 crystallizes in the noncentrosymmetric space group Pc.…”

Section: Nlo Chalcophosphates With Various Crystal Structures From Th...mentioning

confidence: 99%

“…(4) Chalcophosphates usually possess a low melting point, enabling the reduction of chalcogen vapor pressure and facilitating large crystal growth. In the last century, researchers began to explore suitable IR NLO materials in chalcophosphates and discovered that InPS 4 as well as Sn 2 P 2 S 6 exhibited a strong SHG response, large band gap, and proper birefringence. − Afterward, Kanatzidis’ group successfully synthesized a series of alkali selenophosphates and then thoroughly investigated their novel structures and NLO performance. These efforts illuminated the application prospects of chalcophosphates in the field of IR NLO .…”

Section: Introductionmentioning

confidence: 99%

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Chalcophosphates: A Treasure House of Infrared Nonlinear Optical Materials

Yao

2020

Crystal Growth & Design

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Design and exploratory synthesis of a novel infrared (IR) nonlinear optical (NLO) crystal with excellent overall performance are crucial for the development of the laser industry. Chalcophosphates with wide IR transparent ranges and rich structural diversity provide a broad stage for material designers' unconstrained imagination. Moreover, plenty of chalcophosphates can intrinsically satisfy many crucial criteria for a promising IR NLO crystal, such as a large NLO effect, wide band gap, and low melting point, which makes them a treasure house of IR NLO materials to be explored. The investigation of NLO chalcophosphates began in the last century, and quite a few NLO chalcophosphates with superior performance have been reported. However, the systematic review of this attractive family is still absent. In this Review, we classify the existing NLO chalcophosphates according to their crystal structure characteristics. The structure-performance relationships, application prospects, and future development directions of NLO chalcophosphates are discussed.

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Section: Nlo Chalcophosphates With Various Crystal Structures From Th...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Chalcophosphates: A Treasure House of Infrared Nonlinear Optical Materials

Yao

2020

Crystal Growth & Design

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“…Although 3 is used in the piezoelectric, pyroelectric, photoelectric, and photovoltaic fields, − only a very few works on its NLO properties have been reported. The SHG coefficient d 11 was measured under 1907 nm using the Maker-fringe method and gave ranges of the wavelength to achieve phase matchability. , However, the material has not been studied in terms of its size-dependent SHG responses and theoretical calculations. Different from 3 , 2 possesses three polymorphs and the corresponding phase transition is more complicated .…”

Section: Introductionmentioning

confidence: 99%

SnPQ₃ (Q = S, Se, S/Se): A Series of Lone-Pair Cationic Chalcogenophosphates Exhibiting Balanced NLO Activity Originating from SnQ₈ Units

et al. 2021

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Two chalcogenophosphates, SnPS2.86Se0.14 (1) and SnPSe3 (2), are isostructural and crystallize in the monoclinic noncentrosymmetric space group Pn. Their three-dimensional (3D) structures are constructed by [Sn(1)Q8] hendecahedra and [Sn(2)Q8] dodecahedra by sharing Q vertices and edges, leaving cavities for isolated [P2Q6] (Q = S/Se, Se) dimers. A second-harmonic-generation (SHG) measurement indicates that 1 is phase-matchable with a response of approximately 1.2 × AgGaS2 (AGS), which is verified by the theoretical calculation result. The powder sample of 1 exhibits a high laser-induced damage threshold of 3.9 × AGS. For comparison, the known SnPS3 (3) was also synthesized and evaluated using the same method. The chemical composition–NLO performance relationship of 1–3 is also discussed. Dipole moment calculation results suggest that [SnQ8] polyhedra make the main contribution to their excellent nonlinear optical (NLO) performance.

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“…In spite of all advantages, at present, there are only several works dealing with application of the SHG method to investigation of such a class of materials as ferroelectric semiconductors [20][21][22][23], in which observation of optical switching of the ferroelectric order parameter is most probable due to screening of polarization by charge carriers photoexcited to the conduction band.…”

Section: Introductionmentioning

confidence: 99%