Incommensurate to commensurate phase transition in a new spin-Peierls system TiOBr

T. Sasaki, M. Mizumaki, T. Nagai, T. Asaka, K. Kato, M. Takata, Y. Matsui, J. Akimitsu

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Abstract

We report here on the observation of superlattice reflections in the new quasi-one-dimensional spin system TiOBr by electron and synchrotron radiation X-ray diffractions. We discussed on crystal symmetry and temperature dependence of superlattice reflections. Superlattice reflections can be observed at ( h, k + frac(1, 2), 0) below Tc 1 and ( h ± δh, k ± δk, 0) above Tc 1; ( h + k = 2 n ). We discussed the origin of two phase transitions, Tc 1 ( = 27 K ) and Tc 2 ( = 47 K ) in TiOBr.

Original languageEnglish
Pages (from-to)1066-1067
Number of pages2
JournalPhysica B: Condensed Matter
Volume378-380
Issue numberSPEC. ISS.
DOIs
Publication statusPublished - May 1 2006
Externally publishedYes

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Keywords

  • Incommensurate structure
  • Spin-Peierls transition
  • Superlattice reflection

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Sasaki, T., Mizumaki, M., Nagai, T., Asaka, T., Kato, K., Takata, M., Matsui, Y., & Akimitsu, J. (2006). Incommensurate to commensurate phase transition in a new spin-Peierls system TiOBr. Physica B: Condensed Matter, 378-380(SPEC. ISS.), 1066-1067. https://doi.org/10.1016/j.physb.2006.01.417