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Effect of the Electrode Material on Electronic Switching in a Metal–Polymer–Metal Structure

Authors
  • Galiev, A. F.1
  • Lachinov, A. A.1
  • Karamov, D. D.1
  • Lachinov, A. N.1
  • Yusupov, A. R.2
  • Kian, M. F.2
  • 1 Institute of Molecular and Crystal Physics, Ufa Federal Research Center, Russian Academy of Sciences, Ufa, 450054, Russia , Ufa (Russia)
  • 2 Akmulla Bashkir State Pedagogical University, Ufa, 450008, Russia , Ufa (Russia)
Type
Published Article
Journal
Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques
Publisher
Pleiades Publishing
Publication Date
May 01, 2021
Volume
15
Issue
3
Pages
601–606
Identifiers
DOI: 10.1134/S1027451021030253
Source
Springer Nature
Keywords
Disciplines
  • Article
License
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Abstract

AbstractWe investigate the effect of the reversible electronic switching of thin polymer films (40–1300 nm) into a metal-like state under the action of low uniaxial mechanical pressure (0–240 kPa). The dependences of the critical pressure on the effective work function of the electrodes, applied voltage, and polymer-film thickness are studied. An increase in the effective work function leads to an increase in the critical pressure, as well as an increase in the thickness of the polymer film. The results are interpreted in terms of changes in the parameters of the potential barrier at the metal–polymer interface with a change in the work function of the metal. The size dependence of the conductivity on pressure correlates with a change in the activation energy of trapping centers in the polymer film due to a change in supramolecular ordering.

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