Thermal excitation contribution into the electromechanical performance of self-supported Gd-doped ceria membranes

A. D. Ushakov, E. Mishuk, D. O. Alikin, B. N. Slautin, A. A. Esin, I. S. Baturin, Ya V. Shur, Igor Lubomirsky, A. L. Kholkin

Research output: Contribution to journalConference article

Abstract

Here we present the results of the study of electromechanical performance of the Ce0.8Gd0.2O1.95 (CGO) self-supported thin circular membranes with aluminum and titanium as contact electrode materials. The electromechanical performance of both membranes was investigated using highly sensitive interferometric technique and showed two principal excitations mechanisms: common electrostriction and thermal contribution due to the Joule heating. Operating the membranes at frequencies about MHz results in significant contribution of the thermal excitation due to a large power dissipation for every electrode. The excitation of the membrane with aluminum electrodes at the frequencies about 1 Hz leads to the formation of the Schottky barrier at the interface with CGO. That is why the electromechanical response was almost independent on frequency and electric field. Membrane with titanium electrodes showed a prevalence of electrostriction effect with weak frequency dispersion and significant enhancement of the response with temperature.

Original languageEnglish
Article number012008
JournalIOP Conference Series: Materials Science and Engineering
Volume256
Issue number1
DOIs
Publication statusPublished - Oct 20 2017
EventInternational Conference on Scanning Probe Microscopy, SPM 2017 - Ekaterinburg, Russian Federation
Duration: Aug 27 2017Aug 30 2017

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Cerium compounds
Membranes
Electrostriction
Electrodes
Titanium
Aluminum
Joule heating
Energy dissipation
Electric fields
Hot Temperature
Temperature

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Cite this

Thermal excitation contribution into the electromechanical performance of self-supported Gd-doped ceria membranes. / Ushakov, A. D.; Mishuk, E.; Alikin, D. O.; Slautin, B. N.; Esin, A. A.; Baturin, I. S.; Shur, Ya V.; Lubomirsky, Igor; Kholkin, A. L.

In: IOP Conference Series: Materials Science and Engineering, Vol. 256, No. 1, 012008, 20.10.2017.

Research output: Contribution to journalConference article

Ushakov, A. D. ; Mishuk, E. ; Alikin, D. O. ; Slautin, B. N. ; Esin, A. A. ; Baturin, I. S. ; Shur, Ya V. ; Lubomirsky, Igor ; Kholkin, A. L. / Thermal excitation contribution into the electromechanical performance of self-supported Gd-doped ceria membranes. In: IOP Conference Series: Materials Science and Engineering. 2017 ; Vol. 256, No. 1.
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AU - Mishuk, E.

AU - Alikin, D. O.

AU - Slautin, B. N.

AU - Esin, A. A.

AU - Baturin, I. S.

AU - Shur, Ya V.

AU - Lubomirsky, Igor

AU - Kholkin, A. L.

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