Microstructure and properties of highly elongated (Ba0.5Sr 0.5)TiO3 thin films by applied electric field annealing

Kwang Hwan Cho, Chong Yun Kang, Seok Jin Yoon, Youngpak Lee

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This study examined the effect of applied electric field annealing on the microstructure and microwave properties of Ba0.5Sr 0.5TiO3 (BST) thin films grown on LaAlO3 substrates. The ultraviolet-visible transmission spectra and micro-Raman spectra of these BST thin films revealed the band-gap and lattice vibration to be strongly dependent on annealing with an applied electric field. Based on the structural analyses and microwave properties, the variation in the band-gap, the chemical binding states, and the tunability of the films were attributed to the combined effects of applied electric field annealing in highly elongated BST thin films.

Original languageEnglish
Pages (from-to)S106-S109
JournalCurrent Applied Physics
Volume11
Issue number3 SUPPL.
DOIs
Publication statusPublished - 2011 May

Keywords

  • Applied electric field annealing
  • Ferroelectric
  • Thin films

ASJC Scopus subject areas

  • Materials Science(all)
  • Physics and Astronomy(all)

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