X. L. Duan, D. R. Yuan, X. Q. Wang, X. F. Cheng, Z. H. Yang, S. Y.Guo, H. Q. Sun, D. Xu, M. K. Lu: Preparation and Characterization of Nonlinear Optical Crystal Materials: Cadmium Mercury Thiocyanate and its Lewis Base Adducts

Crystal Research and Technology

Cryst. Res. Technol. 37 (2002) 446 - Abstract -

X. L. Duan, D. R. Yuan, X. Q. Wang, X. F. Cheng, Z. H. Yang, S. Y.Guo, H. Q. Sun, D. Xu, M. K. Lu

State Key Laboratory of Crystal Materials, Institute of Crystal Materials, Shandong University, Jinan 250100, P. R. China

Preparation and Characterization of Nonlinear Optical Crystal Materials: Cadmium Mercury Thiocyanate and its Lewis Base Adducts

Cadmium mercury thiocyanate (CdHg(SCN)₄, CMTC) and its two lewis base adducts: cadmium mercury thiocyanate dimethyl-sulphoxide (CdHg(SCN)₄(H₆C₂OS)₂, CMTD) and cadmium mercury thiocyanate glycol monomethyl ether (CdHg(SCN)₄(C₃H₈O₂), CMTG) have been discovered as nonlinear optical (NLO) crystal materials. Their structural, optical and physicochemical properties were characterized by X-ray powder diffraction (XRPD), infrared spectroscopy, vis/UV/NIR spectra and thermal analysis. It is discovered that their transparency cutoffs lie in the UV region and CMTD crystals possess the shortest cutoff wavelength among the three crystal materials.

Keywords: optical materials, infrared spectroscopy, thermogravimetric analysis, differential scanning calorimetry

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