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Pregled bibliografske jedinice broj: 82882

General solution for the complex frequency shift in microwave measurements of thin films


Peligrad, D.-N.; Nebendahl, B.; Mehring, M.; Dulčić, Antonije; Požek, Miroslav; Paar, Dalibor
General solution for the complex frequency shift in microwave measurements of thin films // Physical Review B, 64 (2001) (međunarodna recenzija, članak, znanstveni)


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Naslov
General solution for the complex frequency shift in microwave measurements of thin films

Autori
Peligrad, D.-N. ; Nebendahl, B. ; Mehring, M. ; Dulčić, Antonije ; Požek, Miroslav ; Paar, Dalibor

Izvornik
Physical Review B (0163-1829) 64 (2001);

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
superconducting thin films; microwave measurement; surface conductivity; high-frequency effects

Sažetak
Perturbation of a microwave cavity by a small sample with variable dielectric, magnetic, or conducting properties is considered. The complex frequency shift is derived in terms of a volume integral, or equivalently, in terms of a surface integral. These are used to obtain a general formula for thin films in the microwave electric field maximum. The complex frequency shift depends on the depolarization factor of the film and on its thickness in a nontrivial way. The previously known expressions for the complex frequency shift are shown to be good approximations of the present solution in the low and high conductivity limits. Our formula is applied to calculate the signal shapes in superconducting films of various geometric parameters and conductivities. It is shown that a diversity of signal shapes can result, and experimental support of those shapes is provided. The role of the dielectric substrate on which the thin film is grown is simply reduced to an asymmetry effect.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
119201
119225

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Antonije Dulčić (autor)

Avatar Url Miroslav Požek (autor)

Avatar Url Dalibor Paar (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada

Citiraj ovu publikaciju:

Peligrad, D.-N.; Nebendahl, B.; Mehring, M.; Dulčić, Antonije; Požek, Miroslav; Paar, Dalibor
General solution for the complex frequency shift in microwave measurements of thin films // Physical Review B, 64 (2001) (međunarodna recenzija, članak, znanstveni)
Peligrad, D., Nebendahl, B., Mehring, M., Dulčić, A., Požek, M. & Paar, D. (2001) General solution for the complex frequency shift in microwave measurements of thin films. Physical Review B, 64.
@article{article, year = {2001}, pages = {224504}, keywords = {superconducting thin films, microwave measurement, surface conductivity, high-frequency effects}, journal = {Physical Review B}, volume = {64}, issn = {0163-1829}, title = {General solution for the complex frequency shift in microwave measurements of thin films}, keyword = {superconducting thin films, microwave measurement, surface conductivity, high-frequency effects} }
@article{article, year = {2001}, pages = {224504}, keywords = {superconducting thin films, microwave measurement, surface conductivity, high-frequency effects}, journal = {Physical Review B}, volume = {64}, issn = {0163-1829}, title = {General solution for the complex frequency shift in microwave measurements of thin films}, keyword = {superconducting thin films, microwave measurement, surface conductivity, high-frequency effects} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • SCI-EXP, SSCI i/ili A&HCI





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