標題: Tunneling measurements of fluctuation effects near the superconductor to insulator transition
作者: Hsu, SY
Chervenak, JA
Valles, JM
電子物理學系
Department of Electrophysics
公開日期: 1-十月-1998
摘要: We present measurements of the temperature dependence of the tunneling density of states near the Fermi energy, G(o)(T), and resistive transitions, R(T), of ultrathin PbBi films. Both R(T) and G(o)(T) broaden substantially near the superconductor to insulator transition (SIT). The broadening in R(TI is not affected by the proximity of a ground plane suggesting that long range Coulomb interactions are not important to the SIT. The results suggest that the transport properties of Alms near the SIT are influenced by fluctuations in both the phase and the amplitude of the order parameter. We discuss the data in terms of recent theories of the superconducting transition in low superfluid density systems. (C) 1998 Elsevier Science Ltd. All rights reserved.
URI: http://hdl.handle.net/11536/31825
ISSN: 0022-3697
期刊: JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
Volume: 59
Issue: 10-12
起始頁: 2065
結束頁: 2067
顯示於類別:會議論文


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