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Abstracts
In this work studies of structure and superconducting properties of VN-SiO_{2} films are reported. The films were obtained through thermal nitridation (ammonolysis) of sol-gel derived V_{2}O_{3}-SiO_{2} coatings (in a proper V_{2}O_{3}/SiO_{2} ratio) at 1200°C. This process leads to the formation of disordered structure with VN metallic grains dispersed in the insulating SiO_{2} matrix. The structural transformations occurring in the films as a result of ammonolysis were studied using X-ray photoelectron spectroscopy (XPS). The critical superconducting parameters are obtained. The magnetoresistance at high magnetic fields has been investigated.
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Journal
Year
Volume
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Pages
832-835
Physical description
Dates
published
2012-04
Contributors
author
- WFaculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
author
- B. Verkin Institute for Low Temperature Physics and Engineering, NAS of Ukraine, Kharkov 61103, Ukraine
- International Laboratory of High Magnetic Fields and Low Temperatures, Gajowicka 95, 53-421 Wrocław, Poland
author
- B. Verkin Institute for Low Temperature Physics and Engineering, NAS of Ukraine, Kharkov 61103, Ukraine
- International Laboratory of High Magnetic Fields and Low Temperatures, Gajowicka 95, 53-421 Wrocław, Poland
author
- A. Chełkowski Institute of Physics, University of Silesia, Uniwersytecka 4, 40-007 Katowice, Poland
author
- WFaculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
author
- WFaculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv121n4p122kz