Crystal growth, structural, spectral, optical and mechanical studies of zinc (tris) thiourea sulphate (ZTS) single crystals: A semiorganic non-linear optical material

  • Selvapandiyan M PG and Research Department of Physics, Sri Vidya Mandir Arts & Science College, Uthangarai Tamil Nadu, India- 636 902
  • Arumugam J Department of Physics, Periyar University, Salem-636 011, Tamil Nadu, India
Keywords: Crystal growth, single crystal XRD, slow evaporation, FTIR analysis, SHG


Zinc-tris thiourea sulphate (ZTS) is one of the promising semiorganic nonlinear optical materials; it is useful for nonlinear optical applications. The grown crystals were subjected to single crystal Xray diffraction, UV-visible spectrum, FTIR, microhardness and SHG studies. Single crystal X- ray diffraction analysis revealed that the grown crystal belongs to orthorhombic system with space groupPca21 . Various functional groups present in the sample were identified by FTIR analysis. UV visible transmittance spectrum shows that the wide transmittance and lower cut-off wavelength. The mechanical property of the grown crystal has been analysed by Vickers microhardness test. Second harmonic generation was confirmed by using Nd: YAG laser. The second harmonic generation results confirmed that the crystal has better nonlinearity than KDP crystal.