The optical properties of Bi3.25La0.75Ti 3O12 thin films with different thickness prepared by chemical solution deposition

S. H. Hu, J. Chen, Z. G. Hu, G. S. Wang, X. J. Meng, J. H. Chu, N. Dai

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Bi3.25La0.75Ti3O12(BiLT) thin films with different thickness were successfully deposited onto fused quartz by chemical solution deposition. X-ray diffraction analysis shows that BiLT thin films are polycrystalline with (002)-preferred orientation. The dispersion of refractive indices of the BiLT thin films was investigated by the optical transmittance spectrum. The optical band gap energy was estimated from the graph of (hνα)2 versus hν. The results show that the refractive index and band-gap energy of the BiLT thin films decrease with the films thickness.

Original languageEnglish
Pages (from-to)1223-1229
Number of pages7
JournalMaterials Research Bulletin
Volume39
Issue number9
DOIs
StatePublished - 2 Jul 2004
Externally publishedYes

Keywords

  • A. Thin films
  • B. Sol-gel chemistry
  • D. Optical properties

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