Observation of ferroelectric domains in bismuth-layer-structured ferroelectrics using Raman spectroscopy

Minoru Osada*, Masaru Tada, Masato Kakihana, Yuji Noguchi, Masaru Miyayama

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Raman spectroscopy has been used to investigate the domain structures in bismuth-layered-structured ferroelectrics (BLSFs). In Bi4Ti 3O12 single crystal, the lowest frequency mode (soft mode) at ∼30 cm-1 appears exclusively for the xx polarization configuration (x||polar axis). We found that the polarization dependence of the Raman signal exhibits spatial symmetries that reflect the presence of different domain variants present in Bi4Ti3O12. This highly anisotropic character of the soft mode shares with other BLSFs such as Bi3.25La0.75Ti3O12 and SrBi 2Ta2O9, which demonstrate the usefulness of the soft-mode spectroscopy for the study of ferroelectric domain structures in BLSFs. We also applied Raman spectroscopy to in situ observation of domain structures in Bi4Ti3O12 under applied electric field.

Original languageEnglish
Pages (from-to)95-99
Number of pages5
JournalMaterials Science and Engineering B: Solid-State Materials for Advanced Technology
Issue number1-3
Publication statusPublished - 2005 Jul 15
Externally publishedYes


  • BiTiO
  • BLSFs
  • Domain structures
  • Raman spectroscopy
  • Soft mode

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Science(all)
  • Condensed Matter Physics


Dive into the research topics of 'Observation of ferroelectric domains in bismuth-layer-structured ferroelectrics using Raman spectroscopy'. Together they form a unique fingerprint.

Cite this