Effect of polyethylene glycol content on the optical properties of Ba 0.9Sr0.1TiO3 multilayers

  • Jinglin Shang
  • , Gujin Hu*
  • , Ting Zhang
  • , Yan Sun
  • , Jie Wu
  • , Junhao Chu
  • , Ning Dai
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

Quasiperiodic Ba0.9Sr0.1TiO3 (BST) multilayers have been fabricated on SrTiO3 substrates by using chemical solutions containing polyethylene glycol (PEG), and effect of PEG content on optical properties of the BST multilayers have been investigated. Each multilayer with a single perovskite phase displays a layered structure consisting of dense and porous BST layers. It is found that the central wavelength of the reflection-band for BST multilayers shifts to longer wavelength with increasing the PEG concentration within a given polymer amount range. With the same numbers of period and processing condition, the BST multilayers derived from chemical solutions containing PEG additives with a relative molar amount of 0.5, exhibit the highest optical reflectivities.

Original languageEnglish
Pages (from-to)539-541
Number of pages3
JournalJournal of the American Ceramic Society
Volume92
Issue number2
DOIs
StatePublished - Feb 2009
Externally publishedYes

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