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Conductance spectroscopy of resistive switching Pt/Nb:STO single crystal Schottky junctions in air and vacuum

Title
Conductance spectroscopy of resistive switching Pt/Nb:STO single crystal Schottky junctions in air and vacuum
Authors
Bourim E.M.Kim D.-W.
Ewha Authors
김동욱
SCOPUS Author ID
김동욱scopus
Issue Date
2013
Journal Title
Current Applied Physics
ISSN
1567-1739JCR Link
Citation
vol. 13, no. 3, pp. 505 - 509
Indexed
SCI; SCIE; SCOPUS; KCI WOS scopus
Abstract
We investigated the admittance spectra of resistive switching Pt/Nb-doped SrTiO3 single-crystal junctions at different resistance states in air and vacuum. The analyses showed that the carrier lifetime at the traps was largely varied depending on the resistance state, indicating the surface potential modification. The ambient dependence suggested that the charges at the trap states were affected by the oxygen adsorption/desorption at the surface. The conductance spectroscopy method clearly revealed the importance of the interface trap states in the resistive switching behavior. © 2012 Elsevier B.V. All rights reserved.
DOI
10.1016/j.cap.2012.09.022
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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