Dielectric Properties of Tin Selenide Nanoparticles
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In this paper of chemical precipitation method to prepared SnSe nanoparticles through directly mixed Sodium selenosulfate solution (Na 2 SeSO 3 ) in selenium chloride solution (SnCl 2 ·2H 2 O) by drop wise. We investigated the dielectric properties of Tin Selenide (SnSe) nanoparticles obtained by chemical precipitation method in deionized water. Chemical composition of grown powder is studied with the help of EDAX. Dielectric properties of tin selenide nano particles showed strong indication of frequency and temperature dependence of capacitance (C), dielectric constant (K), dielectric loss (tanδ), real and imaginary part of dielectric constant (ε' and ε") over the frequency range 100 Hz to 1M Hz using LCR meter model 4284A and temperature ranges 303 to 523 K. In this investigation, dielectric constant is observed to be high at lower frequency and it systematically decreases with increasing frequency up to 600 kHz and then after it nearly becomes frequency independent while dielectric loss tanδ decreases with temperature and frequency.
