Armenian Journal of Physics

Sensorial properties of ferroelectric-semiconductor (Bax Sr1-xTiO3 – p-Si) heterojunction

Araghi, M.A. (2018) Sensorial properties of ferroelectric-semiconductor (Bax Sr1-xTiO3 – p-Si) heterojunction. Armenian Journal of Physics, 11 (2). pp. 107-110. ISSN 1829-1171

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p-Si/BaxSr1-xTiO3 heterojunction sensorial properties in electrolyte solution are investigated. It is stated that the structure's capacitance and current exhibit certain sensitivity to pH of electrolyte medium. Based on experimental results we conclude that proposed heterojunction structures can be used as combined multifunctional sensor, where ferro-nanofilm can “work” in two directions: horizontal – as a gas, humidity and ion sensitive membrane and in vertical direction (with Si substrate) - as an ampereometric sensor and potentiometric field effect capacitance sensor.

Item Type:Article
Subjects:Physics > 73.Electronic structure and electrical properties of surfaces, interfaces, thin films, and low-dimensional structures
Physics > 81.Materials science
ID Code:957
Deposited By:Prof. Vladimir Aroutiounian
Deposited On:14 Jul 2018 19:21
Last Modified:14 Jul 2018 19:21

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