Impedance Analysis and Modulus Spectroscopy of Fe (III) Containing Strontium Stannate Nanoparticles

Ashok Kumar; Astakala Anil Kumar; Jitender Kumar Quamara

doi:10.4028/www.scientific.net/MSF.860.3

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Impedance Analysis and Modulus Spectroscopy of Fe (III) Containing Strontium Stannate Nanoparticles
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HomeMaterials Science ForumMaterials Science Forum Vol. 860Impedance Analysis and Modulus Spectroscopy of Fe...

Impedance Analysis and Modulus Spectroscopy of Fe (III) Containing Strontium Stannate Nanoparticles

Abstract:

We report the sol-gel synthesis of pristine and Fe containing perovskite structured strontium stannate nanoparticles, stabilized by cetyl trimethyl ammonium bromide (CTAB). The X-ray diffraction data of pristine and Fe doped strontium stannate nanoparticles reveals the formation of orthorhombic phase with Pbnm space symmetry. Raman spectra of pristine and Fe doped SrSnO₃nanoparticles depicts peaks at 220, 256 and 561 corresponding to Sn-O-Sn, O-Sn-O and Sn-O band stretching, respectively. The dc resistivity of pristine and Fe doped SrSnO₃ is found to decrease with increase in Fe content. The variation of impedance (Zʹ and Z′′) and electric modulus (M^ʹ and M′′) of pristine and Fe doped strontium stannate nanoparticles as a function of frequency (20 Hz to 2 MHz) at different temperatures (310-410 K) has been studied.

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Materials Science Forum (Volume 860)

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3-6

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https://doi.org/10.4028/www.scientific.net/MSF.860.3

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July 2016

Authors:

Ashok Kumar*, Astakala Anil Kumar, Jitender Kumar Quamara

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Conductivity, Dc-Resistivity, Electric Modulus, Impedance, Perovskite

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