Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4520
Title: Modification of Al-oxide tunnel barriers with organic self-assembled monolayers
Authors: Okur, Salih
Zasadzinski, John F.
Keywords: Tunneling spectroscopy
Energy gap
Superconductors
Publisher: American Institute of Physics
Source: Okur, S., and Zasadzinski, J. F.(1999). Modification of Al-oxide tunnel barriers with organic self-assembled monolayers. Journal of Applied Physics, 85(10), 7256-7262. doi:10.1063/1.370541
Abstract: Al-oxide tunneling barriers were modified by exposure to a vapor of n-octadecyltrimethoxysilane which forms self-assembled monolayers. The dynamic conductance dI/dV of the modified Al-oxide barrier between Al and Pb electrodes was measured at 4.2 K. Quasilinear conductance backgrounds are observed up to 200 mV with a strength that increases with increasing exposure time from 10 to 60 min. A saturation effect is observed around 200 mV. Beyond 200 mV the dynamic conductance shows a parabolic behavior indicative of elastic tunneling from an asymmetric barrier. The linear background is attributed to inelastic tunneling from a continuum of excitations
URI: http://dx.doi.org/10.1063/1.370541
http://hdl.handle.net/11147/4520
ISSN: 0021-8979
0021-8979
1089-7550
Appears in Collections:Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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