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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12128/8175
Title: Superconducting properties of VN-SiO 2 sol-gel derived thin films
Authors: Kościelska, B.
Yuzephovich, O.I.
Bengus, S.V.
Winiarski, Antoni
Sadowski, W.
Łapiński, M.
Keywords: inżynieria materiałowa; nadprzewodnictwo
Issue Date: 2012
Citation: Acta Physica Polonica A, Vol. 121, nr 4 (2012), s. 832-835
Abstract: In this work studies of structure and superconducting properties of VN SiO2 lms are reported. The lms were obtained through thermal nitridation (ammonolysis) of sol gel derived V2O3 SiO2 coatings (in a proper V2O3/SiO2 ratio) at 1200 ◦ C. This process leads to the formation of disordered structure with VN metallic grains dispersed in the insulating SiO2 matrix. The structural transformations occurring in the lms as a result of ammonolysis were studied using X-ray photoelectron spectroscopy (XPS). The critical superconducting parameters are obtained. The magnetoresistance at high magnetic elds has been investigated.
URI: http://hdl.handle.net/20.500.12128/8175
ISSN: 0587-4246
Appears in Collections:Artykuły (WNŚiT)

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