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Determination of lattice parameters from synchrotron powder data: A study using high temperature data for tungsten and alumina

Published online by Cambridge University Press:  01 March 2012

C. J. Ball
C. J. Ball*
Affiliation:
Materials Division, Australian Nuclear Science and Technology Organisation, PMB1 Menai, NSW 2234, Australia
*
a)a)Electronic mail: cjb@ansto.gov.au
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Abstract

The lattice parameters of α-alumina have been determined for temperatures in the range 20<T<1050 °C, using the lattice parameter of tungsten as a thermometer and a simple furnace in the diffractometer on the Australian beamline at the Photon Factory, Tsukuba, Japan. It is shown that the accuracy of this technique for measurement of cell parameters at temperatures up to ∼1200 °C is limited at present by uncertainty in the cell parameters of the reference material (i.e., tungsten) at high temperatures. Some problems with the equipment are discussed.

Keywords

aluminatungstenlattice parametershigh temperatureand thermal expansion

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Type
Technical Articles
Information
Powder Diffraction , Volume 21 , Issue 1 , March 2006, pp. 19 - 24
Copyright
Copyright © Cambridge University Press 2006

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