Abstract
Large size strontium tungstate (SrWO 4) single crystal was grown by Czochralski method. Raman scattering and infrared absorbance spectra measurements show that the characteristic lattice vibrational modes of SrWO 4 arise mainly from the internal vibrations of the WO 4 tetrahedra and partly by the external SrO 8 polyhedra modes. Thermal properties including thermal expansion, specific heat, thermal diffusion and conductivities of the crystal were investigated to evaluate the thermal properties of SrWO 4. The anisotropy of thermal properties was explained by crystal structure and its correlation with the lattice vibration spectra.
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