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Hydrostatic low-range pressure applications of the Paris-Edinburgh cell utilizing polymer gaskets for diffuse X-ray scattering measurements.

Chapman KW, Chupas PJ, Kurtz CA, Locke DR, Parise JB, Hriljac JA - J Appl Crystallogr (2007)

Bottom Line: The use of a polymeric Torlon (polyamide-imide) gasket material in a Paris-Edinburgh pressure cell for in situ high-pressure X-ray scattering measurements is demonstrated.The relatively low bulk modulus of the gasket allows for fine control of the sample pressure over the range 0.01-0.42 GPa.The quality of the data obtained in this way is suitable for Bragg and pair distribution function analysis.

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ABSTRACT
The use of a polymeric Torlon (polyamide-imide) gasket material in a Paris-Edinburgh pressure cell for in situ high-pressure X-ray scattering measurements is demonstrated. The relatively low bulk modulus of the gasket allows for fine control of the sample pressure over the range 0.01-0.42 GPa. The quality of the data obtained in this way is suitable for Bragg and pair distribution function analysis.

No MeSH data available.


(a) A schematic representation of the sample environment in the PE cell and (b) a diffraction image collected at ambient pressure. The scattered beam is shadowed by the anvils in the x direction (horizontal).
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fig1: (a) A schematic representation of the sample environment in the PE cell and (b) a diffraction image collected at ambient pressure. The scattered beam is shadowed by the anvils in the x direction (horizontal).

Mentions: The PE cell was mounted on the instrument at beamline 11-ID-B at the Advanced Photon Source, Argonne National Laboratory, with the incident (and scattered) beam directed through the gasket via the gap between the anvils (Fig. 1 ▶). High-energy X-rays (90.48 keV, λ = 0.1370 Å) were used in combination with a MAR-345 image-plate detector to record diffraction images (Chupas et al., 2003 ▶).


Hydrostatic low-range pressure applications of the Paris-Edinburgh cell utilizing polymer gaskets for diffuse X-ray scattering measurements.

Chapman KW, Chupas PJ, Kurtz CA, Locke DR, Parise JB, Hriljac JA - J Appl Crystallogr (2007)

(a) A schematic representation of the sample environment in the PE cell and (b) a diffraction image collected at ambient pressure. The scattered beam is shadowed by the anvils in the x direction (horizontal).
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2483494&req=5

fig1: (a) A schematic representation of the sample environment in the PE cell and (b) a diffraction image collected at ambient pressure. The scattered beam is shadowed by the anvils in the x direction (horizontal).
Mentions: The PE cell was mounted on the instrument at beamline 11-ID-B at the Advanced Photon Source, Argonne National Laboratory, with the incident (and scattered) beam directed through the gasket via the gap between the anvils (Fig. 1 ▶). High-energy X-rays (90.48 keV, λ = 0.1370 Å) were used in combination with a MAR-345 image-plate detector to record diffraction images (Chupas et al., 2003 ▶).

Bottom Line: The use of a polymeric Torlon (polyamide-imide) gasket material in a Paris-Edinburgh pressure cell for in situ high-pressure X-ray scattering measurements is demonstrated.The relatively low bulk modulus of the gasket allows for fine control of the sample pressure over the range 0.01-0.42 GPa.The quality of the data obtained in this way is suitable for Bragg and pair distribution function analysis.

View Article: PubMed Central - HTML - PubMed

ABSTRACT
The use of a polymeric Torlon (polyamide-imide) gasket material in a Paris-Edinburgh pressure cell for in situ high-pressure X-ray scattering measurements is demonstrated. The relatively low bulk modulus of the gasket allows for fine control of the sample pressure over the range 0.01-0.42 GPa. The quality of the data obtained in this way is suitable for Bragg and pair distribution function analysis.

No MeSH data available.