Structural properties of transparent Ti-V oxide semiconductor thin films |
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Authors: | Karolina Sieradzka Danuta Kaczmarek Jerzy Morgiel Jaroslaw Domaradzki Eugeniusz Prociow Bogdan Adamiak |
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Affiliation: | 1. Faculty of Microsystem Electronics and Photonics, Wroclaw University of Technology, Janiszewskiego 11/17, 50-370, Wroclaw, Poland 2. Institute of Metallurgy and Materials Science, Reymonta 25, 30-059, Krakow, Poland 3. Karkonosze State Higher School, Lwowecka 18, 58-503, Jelenia Gora, Poland
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Abstract: | Transparent oxide semiconducting thin films based on mixed Ti-V oxides were prepared using a modified reactive magnetron sputtering method. Based on structural investigations performed with the help of x-ray diffraction and transmission electron microscopy analysis, two distinct regions in the prepared thin film have been observed: a nanocrystalline TiO2-V2O3-V2O5 mixed composition, and a thin layer consisting of amorphous phase and nanocystalline TiO2 phase deposited directly at the substrate. Optical measurements show excellent transmission in the visible spectral range of 73%, on average. Resistivity of the thin film was found at the order of 105 Ω cm at room temperature. The preparation of mixed Ti-V oxides provides a combination of high transparency and semiconducting properties. |
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