Low-temperature studies on the two-dimensional modulations in åkermanite-type crystals: Ca2MgSi2O7 and Ca2ZnSi2O7

B. Bagautdinov, K. Hagiya, S. Noguchi, M. Ohmasa, Naoshi Ikeda, K. Kusaka, K. Iishi

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Two-dimensional modulation in synthetic åkermanite (Ca2MgSi2O7) and hardystonite (Ca2Zn Si2O7) has been studied by the single-crystal X-ray diffraction methods in the temperature range between 18 and 297 K. It is found that change of the modulation wavelength Ca2MgSi2O7 is slight, but that in Ca2ZnSi2O7 it is noticeable and indicates a plateau-like temperature dependence. The plateau-like region may be regarded as an independent phase with a specific q [∼0.2924(3)].

Original languageEnglish
Pages (from-to)346-359
Number of pages14
JournalPhysics and Chemistry of Minerals
Volume29
Issue number5
DOIs
Publication statusPublished - 2002
Externally publishedYes

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Modulation
plateau
crystal
Crystals
temperature
X-ray diffraction
Single crystals
wavelength
X ray diffraction
Wavelength
Temperature
method

Keywords

  • Åkermanite
  • Hardystonite
  • Incommensurate phase
  • Variation of q

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Materials Science(all)

Cite this

Low-temperature studies on the two-dimensional modulations in åkermanite-type crystals : Ca2MgSi2O7 and Ca2ZnSi2O7. / Bagautdinov, B.; Hagiya, K.; Noguchi, S.; Ohmasa, M.; Ikeda, Naoshi; Kusaka, K.; Iishi, K.

In: Physics and Chemistry of Minerals, Vol. 29, No. 5, 2002, p. 346-359.

Research output: Contribution to journalArticle

Bagautdinov, B. ; Hagiya, K. ; Noguchi, S. ; Ohmasa, M. ; Ikeda, Naoshi ; Kusaka, K. ; Iishi, K. / Low-temperature studies on the two-dimensional modulations in åkermanite-type crystals : Ca2MgSi2O7 and Ca2ZnSi2O7. In: Physics and Chemistry of Minerals. 2002 ; Vol. 29, No. 5. pp. 346-359.
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