Ba0.9Sr0.1TiO3-based Bragg reflectors fabricated from one single chemical solution

  • X. K. Hong
  • , G. J. Hu
  • , J. Chen
  • , J. H. Chu
  • , N. Dai*
  • , H. Z. Wu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

Periodic ferroelectric multilayers consisting of alternating stack of the dense and porous Ba0.9Sr0.1TiO3 layers have been fabricated by spin-coating and annealing sol-gel techniques using one single precursor. With 16 periods, the Ba0.9Sr0.1TiO 3 multilayers exhibit excellent performance as dielectric mirrors: symmetric peak reflectivities of above 95% and flattopped stop bands of about 75 nm. The reflectance peak position is tunable through varying the spinning rate in the spin-coating process. The lead-free Ba0.9Sr 0.1TiO3 multilayers show high stability.

Original languageEnglish
Article number082902
JournalApplied Physics Letters
Volume89
Issue number8
DOIs
StatePublished - 2006
Externally publishedYes

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