ScholarLens Back to search
2001•Journal of the Physical Society of JapanRequires access

Raman Scattering Study of SrTi18O3

Masaru Kasahara, Hiroki Hasebe, Ruiping Wang, Mitsuru Itoh, Yoshirou Yagi

Open publisher page 25 citations

Abstract

Antiferrodistortive and ferroelectric soft modes of isotoped ferroelectric SrTi 18 O 3 x 16 O 3(1- x ) were observed for a single crystal of x =0.87 with Raman scattering. The frequency of one of the antiferrodistortive modes exhibits a gradual change near the ferroelectric transition point at 24 K ( T c ) induced as the isotope effect. The spectral forms characteristic of the ferroelectric microscopic regions were also observed in both phases. The ferroelectric soft mode does not exhibit any softening behavior even just at T c . The transition mechanism of the isotopically induced ferroelectric phase is discussed.

About this research paper

What this paper is about

Antiferrodistortive and ferroelectric soft modes of isotoped ferroelectric SrTi 18 O 3 x 16 O 3(1- x ) were observed for a single crystal of x =0.87 with Raman scattering. The frequency of one of the antiferrodistortive modes exhibits a gradual change near the ferroelectric transition point at 24 K ( T c ) induced as the isotope effect. The spectral forms characteristic of the ferroelectric microscopic regions were also observed in both phases. The ferroelectric soft mode does not exhibit any softening behavior even just at T c . The transition mechanism of the isotopically induced ferroelectric phase is discussed.

Why it matters

OpenAlex reports 25 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

A contribution statement is not available in the OpenAlex record.

Method / approach

Method details are not available in the OpenAlex metadata.

Main findings

Findings are not separately available in the OpenAlex metadata.

Limitations

Limitations are not available in the OpenAlex metadata.

Applications

Application details are not available in the OpenAlex metadata.

Available abstract

Antiferrodistortive and ferroelectric soft modes of isotoped ferroelectric SrTi 18 O 3 x 16 O 3(1- x ) were observed for a single crystal of x =0.87 with Raman scattering. The frequency of one of the antiferrodistortive modes exhibits a gradual change near the ferroelectric transition point at 24 K ( T c ) induced as the isotope effect. The spectral forms characteristic of the ferroelectric microscopic regions were also observed in both phases. The ferroelectric soft mode does not exhibit any softening behavior even just at T c . The transition mechanism of the isotopically induced ferroelectric phase is discussed.

Key concepts: Ferroelectricity, Soft modes, Materials science, Raman scattering, Condensed matter physics, Raman spectroscopy, Softening, Phase transition

Related papers

Related paper 1Related paper 2Related paper 3
Back to paper searchBrowse research topicsOriginal source
Raman Scattering Study of SrTi18O3 — Research Paper | ScholarLens