Temperature dependence of anisotropic displacement parameters in O3-type NaMO2 (M = Cr and Fe): Comparison with isostructural LiCoO2

D. Tanabe, T. Shimono, Wataru Kobayashi, Y. Moritomo

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

O3-type NaM O2 (M = Cr and Fe) is a promising cathode material for sodium ion secondary batteries (SIBs). Here, we investigate the temperature dependence of anisotropic displacement parameters, U33 and U11, in NaM O2 by synchrotron radiation X-ray powder diffraction measurements. In both compounds, the displacement ratios $(r \equiv \sqrt {U_{33} /U_{11} } - 1)$ for M and O are positive, reflecting the out-of-plane thermal displacement of the M O2 layer. On the other hand, the r value for Na is negative, reflecting the two-dimensional (2D) host structure.

Original languageEnglish
Pages (from-to)287-290
Number of pages4
JournalPhysica Status Solidi - Rapid Research Letters
Volume8
Issue number3
DOIs
Publication statusPublished - 2014
Externally publishedYes

Fingerprint

Secondary batteries
Synchrotron radiation
X ray powder diffraction
Cathodes
Sodium
Ions
temperature dependence
storage batteries
Temperature
synchrotron radiation
cathodes
sodium
diffraction
Hot Temperature
ions
x rays

Keywords

  • Crystal structure
  • X-ray diffraction

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Materials Science(all)

Cite this

Temperature dependence of anisotropic displacement parameters in O3-type NaMO2 (M = Cr and Fe) : Comparison with isostructural LiCoO2. / Tanabe, D.; Shimono, T.; Kobayashi, Wataru; Moritomo, Y.

In: Physica Status Solidi - Rapid Research Letters, Vol. 8, No. 3, 2014, p. 287-290.

Research output: Contribution to journalArticle

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