Diffraction-enhanced X-ray imaging under low-temperature conditions: Non-destructive observations of clathrate gas hydrates

Satoshi Takeya, Kazumasa Honda, Yoshito Gotoh, Akio Yoneyama, Kazuhiro Ueda, Atsushi Miyamoto, Takeo Hondoh, Akira Hori, Duo Sun, Ryo Ohmura, Kazuyuki Hyodo, Tohoru Takeda

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Diffraction-enhanced imaging (DEI) is a phase-contrast X-ray imaging technique suitable for visualizing light-element materials. The method also enables observations of sample-containing regions with large density gradients. In this study a cryogenic imaging technique was developed for DEI-enabled measurements at low temperature from 193 K up to room temperature with a deviation of 1 K. Structure-II air hydrate and structure-I carbon dioxide (CO2) hydrate were examined to assess the performance of this cryogenic DEI technique. It was shown that this DEI technique could image gas hydrate coexisting with ice and gas bubbles with a density resolution of about 0.01 g cm-3 and a wide dynamic density range of about 1.60 g cm-3. In addition, this method may be a way to make temperature-dependent measurements of physical properties such as density.

Original languageEnglish
Pages (from-to)1038-1042
Number of pages5
JournalJournal of Synchrotron Radiation
Volume19
Issue number6
DOIs
Publication statusPublished - 2012 Nov

Fingerprint

Gas hydrates
clathrates
imaging techniques
hydrates
Diffraction
Imaging techniques
X rays
diffraction
gases
cryogenics
x rays
Hydrates
Cryogenics
Temperature
light elements
phase contrast
carbon dioxide
ice
bubbles
physical properties

Keywords

  • clathrate hydrate
  • diffraction-enhanced imaging
  • non-destructive imaging
  • phase-contrast imaging
  • X-ray interferometric imaging

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics
  • Radiation

Cite this

Diffraction-enhanced X-ray imaging under low-temperature conditions : Non-destructive observations of clathrate gas hydrates. / Takeya, Satoshi; Honda, Kazumasa; Gotoh, Yoshito; Yoneyama, Akio; Ueda, Kazuhiro; Miyamoto, Atsushi; Hondoh, Takeo; Hori, Akira; Sun, Duo; Ohmura, Ryo; Hyodo, Kazuyuki; Takeda, Tohoru.

In: Journal of Synchrotron Radiation, Vol. 19, No. 6, 11.2012, p. 1038-1042.

Research output: Contribution to journalArticle

Takeya, S, Honda, K, Gotoh, Y, Yoneyama, A, Ueda, K, Miyamoto, A, Hondoh, T, Hori, A, Sun, D, Ohmura, R, Hyodo, K & Takeda, T 2012, 'Diffraction-enhanced X-ray imaging under low-temperature conditions: Non-destructive observations of clathrate gas hydrates', Journal of Synchrotron Radiation, vol. 19, no. 6, pp. 1038-1042. https://doi.org/10.1107/S0909049512033857
Takeya, Satoshi ; Honda, Kazumasa ; Gotoh, Yoshito ; Yoneyama, Akio ; Ueda, Kazuhiro ; Miyamoto, Atsushi ; Hondoh, Takeo ; Hori, Akira ; Sun, Duo ; Ohmura, Ryo ; Hyodo, Kazuyuki ; Takeda, Tohoru. / Diffraction-enhanced X-ray imaging under low-temperature conditions : Non-destructive observations of clathrate gas hydrates. In: Journal of Synchrotron Radiation. 2012 ; Vol. 19, No. 6. pp. 1038-1042.
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