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Resistance state-dependent barrier inhomogeneity and transport mechanisms in resistive-switching Pt/ SrTiO3 junctions

Title
Resistance state-dependent barrier inhomogeneity and transport mechanisms in resistive-switching Pt/ SrTiO3 junctions
Authors
Lee E.Gwon M.Kim D.-W.Kim H.
Ewha Authors
김동욱
SCOPUS Author ID
김동욱scopus
Issue Date
2011
Journal Title
Applied Physics Letters
ISSN
0003-6951JCR Link
Citation
vol. 98, no. 13
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We investigated the current-voltage (I-V) and photocurrent characteristics of Pt/Nb-doped SrTiO3 (001) single-crystal junctions that exhibit resistive-switching behaviors. The temperature-dependent I-V data and the photocurrent spectra showed that the barrier height fluctuation depended on the resistance state but the mean barrier height was nearly constant regardless of the junctions' resistance state. In addition, local barrier height variations allowed transitions from thermionic to tunneling transport for the low-resistance state. © 2011 American Institute of Physics.
DOI
10.1063/1.3567755
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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