Synchrotron X-ray powder diffraction and computational investigation of purely siliceous zeolite Y under pressure

Marek Colligan, Paul M. Forster, Anthony K. Cheetham, Yongjae Lee, Thomas Vogt, Joseph A. Hriljac

Research output: Contribution to journalArticle

86 Citations (Scopus)

Abstract

High-pressure synchrotron X-ray powder diffraction measurements of a sample of purely siliceous zeolite Y (faujasite) were carried out up to 8.0 GPa at room temperature using a diamond anvil cell. Measurements using silicone oil as the pressure-transmitting medium show compression of the zeolite followed by a loss of long-range ordering at 2.2 GPa. The experimentally determined bulk modulus, 38(2) GPa, is, within experimental error, identical to that of quartz. When using a methanol;ethanol:water mixture (16:3:1) as the pressure- transmitting medium, two distinct compressibility regions are observed with a dramatic change in the compression mechanism at 4 GPa. Rietveld refinement analysis of the powder patterns provides a detailed description of the underlying chemistry, with sequential pore filling the main response up to 4 GPa and framework distortions at higher pressures.

Original languageEnglish
Pages (from-to)12015-12022
Number of pages8
JournalJournal of the American Chemical Society
Volume126
Issue number38
DOIs
Publication statusPublished - 2004 Sep 29

Fingerprint

Powder Diffraction
Zeolites
Synchrotrons
X-Ray Diffraction
X ray powder diffraction
Pressure
Silicone Oils
Diamond
Quartz
Rietveld refinement
Least-Squares Analysis
Compressibility
Silicones
Powders
Methanol
Diamonds
Ethanol
Elastic moduli
Temperature
Water

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Colligan, Marek ; Forster, Paul M. ; Cheetham, Anthony K. ; Lee, Yongjae ; Vogt, Thomas ; Hriljac, Joseph A. / Synchrotron X-ray powder diffraction and computational investigation of purely siliceous zeolite Y under pressure. In: Journal of the American Chemical Society. 2004 ; Vol. 126, No. 38. pp. 12015-12022.
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Synchrotron X-ray powder diffraction and computational investigation of purely siliceous zeolite Y under pressure. / Colligan, Marek; Forster, Paul M.; Cheetham, Anthony K.; Lee, Yongjae; Vogt, Thomas; Hriljac, Joseph A.

In: Journal of the American Chemical Society, Vol. 126, No. 38, 29.09.2004, p. 12015-12022.

Research output: Contribution to journalArticle

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