Physicochemical properties of the organometallic nonlinear optical crystal: MnHg(SCN)4(C3H8O2) by X. Q. Wang, D. Xu, Y. T. Chow, X. F. Cheng, W. L. Liu, W. T. Yu, G. H. Zhang, Q. Ren, M. K. Lü, D. R. Yuan, and S. R. Zhao

Crystal Research and Technology

Cryst. Res. Technol. 39, 732 (2004) - Abstract -

Physicochemical properties of the organometallic nonlinear optical crystal: MnHg(SCN)₄(C₃H₈O₂)

X. Q. Wang, D. Xu, Y. T. Chow*, X. F. Cheng, W. L. Liu**, W. T. Yu, G. H. Zhang, Q. Ren***, M. K. Lü, D. R. Yuan, and S. R. Zhao

State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China
*Optoelectronics Research Centre, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong
**School of Physics and microelectronics, Shandong University, Jinan, 250100, P. R. China
***Department of Optics, School of Information Science & Engineering, Shandong University, Jinan 250100, P. R. China

Keywords	characterization, thermal properties, structural description
PACS	61.10.Nz, 06.30.Dr, 62.20.Qp, 65.40.Ba, 65.40.De
DOI	10.1002/crat.200310246

The growth morphology of MMTG (manganese mercury thiocyanate glycol monomethyl ether, MnHg(SCN)₄(C₃H₈O₂) crystal was indexed according to the X-ray powder diffraction spectroscopy. The density and Mohs hardness were determined at room temperature. The specific heat of the crystal is 458.6 J.mol^-1K^-1 at 300 K. The thermal expansion coefficient (TEC) along the a, b and c axis is a₁=6.89x10^-5 K^-1, a₂=6.78x10^-5 K^-1, and a₃=2.08x10^-5 K^-1, respectively. The sameness and difference of the TECs are interpreted on the basis of crystal structure.

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