Optical properties of Pb(Mg/13Nb/23)O3-PbTiO3 thin films prepared by chemical solution deposition

  • Ai Yun Liu*
  • , Xiang Jian Meng
  • , Jian Qiang Xue
  • , Jing Lan Sun
  • , Jian Hua Ma
  • , Lin Wang
  • , Jun Hao Chu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

92% Pb(Mg/13 Nb/23)O3-8% PbTiO3 (PMNT) thin films have been prepared on Pt/Ti/SiO2/Si substrate with a LaNiO3 (LNO) buffer layer and on sapphire substrate by chemical solution deposition, respectively. X-ray diffraction analysis shows that the PMNT thin films on Pt/Ti/SiO2/Si substrate are almost pure perovskite phase with (110)-preferential orientation. The optical constants (n, k) of the PMNT thin films in the wavelength range of 2.5-12.6 μm were obtained by infrared spectroscopic ellipsometry measurement. By fitting the optical transmission spectra of the PMNT thin films on sapphire substrate in the wavelength range of 200-1100 nm, the optical constant (n and k) and absorption coefficient (α) were obtained. And that the bandgap energy of the PMNT thin films on sapphire substrate was found to be about 4.03 eV.

Original languageEnglish
Pages (from-to)3128-3131
Number of pages4
JournalWuli Xuebao/Acta Physica Sinica
Volume55
Issue number6
DOIs
StatePublished - Jun 2006
Externally publishedYes

Keywords

  • Chemical solution deposition method
  • Optical properties
  • PMNT thin films

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