Variable temperature electrochemical strain microscopy of Sm-doped ceria

Amit Kumar, Stephen Jesse, Anna N Morozovska, Eugene Eliseev, Antonello Tebano, Nan Yang, Sergei V Kalinin

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Variable temperature electrochemical strain microscopy has been used to study the electrochemical activity of Sm-doped ceria as a function of temperature and bias. The electrochemical strain microscopy hysteresis loops have been collected across the surface at different temperatures and the relative activity at different temperatures has been compared. The relaxation behavior of the signal at different temperatures has been also evaluated to relate kinetic process during bias induced electrochemical reactions with temperature and two different kinetic regimes have been identified. The strongly non-monotonic dependence of relaxation behavior on temperature is interpreted as evidence for water-mediated mechanisms.
Original languageEnglish
Article number145401
JournalNanotechnology
Volume24
DOIs
Publication statusPublished - 12 Mar 2013

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science(all)

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