Electrical and Dielectrical Propeties of Gas-Sensor Resistive Type Bi2Sn2O7

Lubov V. Udod; Maxim N. Sitnikov; Sergei S. Aplesnin; Maxim Sergeevich Molokeev

doi:10.4028/www.scientific.net/SSP.215.503

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Electrical and Dielectrical Propeties of Gas-Sensor Resistive Type Bi₂Sn₂O₇
p.503

HomeSolid State PhenomenaSolid State Phenomena Vol. 215Electrical and Dielectrical Propeties of...

Electrical and Dielectrical Propeties of Gas-Sensor Resistive Type Bi₂Sn₂O₇

Abstract:

Polycrystalline samples of Bi₂Sn₂O₇ have been synthesized by conventional solid-state reaction method. According to the X-ray powder diffraction research, our sample co-existing of two polymorphs phases: cubic and rhombic, concurrently. The real dielectric permeability Re (ε) monotonic grows versus temperature and the imaginary dielectric permeability Im (ε) nonmonotonic is increased at the heating. There are maxima at Т=450 K on both temperature dependences Im (ε) and Re (ε) reveal. Anomalies in the temperature dependence of electrical resistivity at temperatures are found and to be correlated with the α→ β structural phase transition temperature.

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Solid State Phenomena (Volume 215)

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503-506

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.215.503

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Online since:

April 2014

Authors:

Lubov V. Udod*, Maxim N. Sitnikov, Sergei S. Aplesnin, Maxim Sergeevich Molokeev

Keywords:

Crystallographic Structure, Dielectric Permeability, Electrical Resistivity, Polymorphic Transformations

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