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Browsing by Author "Liang, SY"

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    Fermi and anti-Fermi glass transition and subband resonant quantum tunneling in Nb/Ti metallic multilayer films
    (2000-04-01)
    Lue, JT
    ;
    Liang, SY
    ;
    Lee, YW
    ;
    Lue, HT
    ;
    電子工程學系及電子研究所
    Multilayer of Nb/Ti and NbN/Ti films with 30 periodic structure were sputtered onto silicon substrates. The current-voltage characteristics measured along the vertical junction at low temperatures exhibit nonlinear step-wise curves. The resonant subband quantum tunneling in the metallic multiple quantum wells can satisfactorily express these peculiar behaviors. The Fermi and anti-Fermi glass transition showing itinerant metallic and insulating conduction properties are also observed at low currents and near critical temperatures.