Growth and Etching Studies of Cadmium Mercury Thiocyanate Single Crystals Grown by Gel Technique

<- Back to I. Materials Science Vol. 9 Iss. 2

Cite the paper

P. Nisha Santhakumari, S. Kalainathan, (2017). Growth and Etching Studies of Cadmium Mercury Thiocyanate Single Crystals Grown by Gel Technique. Mechanics, Materials Science & Engineering, Vol 9. doi:10.2412/mmse.94.21.874

Authors: P. Nisha Santhakumari, S. Kalainathan

ABSTRACT. Single crystals of Cadmium mercury thiocyanate CdHg(SCN)4, a bimetallic thiocyanate complex material have been grown in silica gel using gel technique by the process of diffusion. Colourless transparent crystals of size 10mm x 3.1mm x 3.2mm have been obtained. The grown crystals were subjected to single crystal X-ray diffraction and high resolution X- ray diffraction studies. The crystal structure belongs to tetragonal system. Etching studies were made on the grown crystal to analyze the structural imperfection of the crystal. The Second harmonic generation efficiency of the grown crystal has been determined using Kurtz powder technique in comparison with Urea. Its efficiency is found to be 6.2 times greater than that of Urea.

Keywords: Diffusion, X-ray diffraction, Crystal structure, Second harmonic generation.

DOI 10.2412/mmse.94.21.874


[1] X.Q.Wang et al. Materials Research Bulletin 37 (2002) 1859-1871.

[2] Changqiang Q. Wang, Y.T.Chow, W.A.Gambling, Duorong Yuan, Dong Xu, Guanghui Zhang, Mingguo Liu, Minhua Jiang, Optics &Laser Technology 30 (1998) 291-293.

[3] D.R.Yuan, M.G.Liu, D.Xu, Q.Fang, W.T.Yu, W.B.Hou, Y.H.Bing, S.Y.Sun, M.H.Jiang, Appl. Phys. Lett. 70 (1997) 544.

[4] G.P.Joseph, I.Korah, K.Raja Rajan, P.C.Thomas, M.Vimalan, J.Madhavan and P.Sagayaraj, Cryst.Res.Technol. 42, No.3, (2007) 295-299.

[5] P Nisha Santha kumari, M.Margaret Beatrice, S. Kalainathan. A comparative study of pure and potassium doped cadmium mercury thiocyanate single crystal grown in silica gel Cryst Res Technol, ( 2009) 44, 177-183,

[6] G. Bhagavannarayana, R.V. Ananthamurthy, G.C. Budakoti, B. Kumar and K.S.Bartwal, J. Appl. Cryst. 38, (2005) 768-771.

Creative Commons Licence
Mechanics, Materials Science & Engineering Journal by Magnolithe GmbH is licensed under a Creative Commons Attribution 4.0 International License.
Based on a work at