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The preparation and properties of “porous silicon–nickel ferrite” nanoheterocomposites for gas detectors |
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| Authors: | Irina E Kononova Vyatcheslav A Moshnikov Gra?yna Olchowik Alexandr S Len’shin Kamil G Gareev Ekaterina A Soboleva Vladimir V Kuznetsov Jan M Olchowik |
| Institution: | 1. Micro- and Nanoelectronics Department, Saint-Petersburg State Electrotechnical University, 5 Professora Popova Street, 197376, Saint-Petersburg, Russia 2. Medical University of Lublin, Al. Rac?awickie 1, 20-059, Lublin, Poland 3. Lublin University of Technology, Nadbystrzycka 38, Lublin, Poland |
| Abstract: | This paper discusses the preparation and properties of gas detectors based on “porous silicon–nickel ferrite” nanocomposites. Impedance spectroscopy was used to measure sensitivity to ethanol and isopropanol vapours in the presence of an alternating electric field. The results were interpreted with the help of an equivalent electrical circuit. In the analysis of the resistive–capacitive properties in the equivalent circuit a constant phase element was used. |
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