Volume 41, Number 4, february II 1998
|Page(s)||425 - 430|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 September 2002|
Possibility of macroscopic resonant tunneling near the superconductor-insulator transition in thin films
Department of Applied Physics, Hokkaido University - Sapporo 060-8628, Japan
2 Fuji Electric Corp. Research and Development, Ltd., Yokosuka, Kanagawa, 240-01, Japan
3 NTT Basic Research Laboratories, Atsugi, Kanagawa, 243-01, Japan
Accepted: 16 December 1997
Experimental results of the I-V characteristics near the superconductor-insulator transition observed for disorder-tuned thin films are presented. The I-V characteristics exhibit new quasiperiodic structures as a function of the current. The current interval, the number of the peaks, and the magnetic-field dependence of the peaks are consistent with the theoretical predictions of the resonant tunneling of a phase particle in a tilted-cosine potential for a single Josephson junction with small capacitance.
PACS: 74.76.Bz – High-Tc films / 71.30.+h – Metal-insulator transitions and other electronic transitions / 73.40.Gk – Tunneling
© EDP Sciences, 1998
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