Microwave intermodulation distortion of MgB2 thin films (Articolo in rivista)

Type
Label
  • Microwave intermodulation distortion of MgB2 thin films (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.1584519 (literal)
Alternative label
  • Lamura, G ; Purnell, AJ ; Cohen, LF ; Andreone, A ; Chiarella, F; Di Gennaro, E ; Vaglio, R ; Hao, L; Gallop, J (2003)
    Microwave intermodulation distortion of MgB2 thin films
    in Applied physics letters; AMER INST PHYSICS, MELVILLE, NY (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Lamura, G ; Purnell, AJ ; Cohen, LF ; Andreone, A ; Chiarella, F; Di Gennaro, E ; Vaglio, R ; Hao, L; Gallop, J (literal)
Pagina inizio
  • 4525 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 82 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • APPLIED PHYSICS LETTERS (literal)
Titolo
  • Microwave intermodulation distortion of MgB2 thin films (literal)
Abstract
  • The two-tone intermodulation arising in MgB2 thin films deposited in situ by planar magnetron sputtering on sapphire substrates is studied. Samples are characterized using an open-ended dielectric puck resonator operating at 8.8 GHz. The experimental results show that the third-order products increase with the two-tone input power with a slope ranging between 1.5 and 2.3. The behavior can be understood introducing a mechanism of vortex penetration in grain boundaries as the most plausible source of nonlinearities in these films. This assumption is confirmed by the analysis of the field dependence of the surface resistance, that show a linear behavior at all temperatures under test. (C) 2003 American Institute of Physics. (literal)
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