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

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

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

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
Volume120
Issue number1-3
DOIs
Publication statusPublished - 2005 Jul 15
Externally publishedYes

Fingerprint

Bismuth
bismuth
Ferroelectric materials
Raman spectroscopy
Polarization
polarization
Electric fields
Single crystals
Spectroscopy
low frequencies
electric fields
single crystals
symmetry
configurations
spectroscopy

Keywords

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

ASJC Scopus subject areas

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

Cite this

Observation of ferroelectric domains in bismuth-layer-structured ferroelectrics using Raman spectroscopy. / Osada, Minoru; Tada, Masaru; Kakihana, Masato; Noguchi, Yuji; Miyayama, Masaru.

In: Materials Science and Engineering B: Solid-State Materials for Advanced Technology, Vol. 120, No. 1-3, 15.07.2005, p. 95-99.

Research output: Contribution to journalArticle

Osada, Minoru ; Tada, Masaru ; Kakihana, Masato ; Noguchi, Yuji ; Miyayama, Masaru. / Observation of ferroelectric domains in bismuth-layer-structured ferroelectrics using Raman spectroscopy. In: Materials Science and Engineering B: Solid-State Materials for Advanced Technology. 2005 ; Vol. 120, No. 1-3. pp. 95-99.
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