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Microwave study of magnetic field penetration parallel to thin niobium films (CROSBI ID 539280)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Grbić, Mihael Srđan ; Požek, Miroslav ; Janjušević, Dragan ; Dulčić, Antonije ; Paar, Dalibor ; Wagner, Thomas Microwave study of magnetic field penetration parallel to thin niobium films // Abstarcts of NMR, MRI, uSR and Moessbauer techniques training school, Pavia, Italy. 2007

Podaci o odgovornosti

Grbić, Mihael Srđan ; Požek, Miroslav ; Janjušević, Dragan ; Dulčić, Antonije ; Paar, Dalibor ; Wagner, Thomas

engleski

Microwave study of magnetic field penetration parallel to thin niobium films

Complex conductivity of high quality niobium thin films has been investigated by microwave technique in parallel static magnetic field. Mechanism of microwave response substantially changes from ultra-thin to thick film regime. For the thinnest film no vortices can be formed and microwave penetration is defined by strength of superconducting order parameter which varies with applied magnetic field. The thickest film measured allows formation of several rows of vortices. Microwave disipation is dominated by dynamics of vortices which is strongly affected by size effects. Results have been compared with generalised models of complex conductivity for low – dimensional superconductor in mixed state following earlier considerations of other authors. Discussion of dynamical characteristics of vortices is given for measured samples.

films; superconducting; vortex

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Podaci o prilogu

2007.

objavljeno

Podaci o matičnoj publikaciji

Abstarcts of NMR, MRI, uSR and Moessbauer techniques training school, Pavia, Italy

Podaci o skupu

Nepoznat skup

poster

29.02.1904-29.02.2096

Povezanost rada

Fizika