Unit-cell dimensions of α-MnTe in the 295K – 1200K temperature range

MINIKAYEV, R., DYNOWSKA, E., WITKOWSKA, B., BELL, Anthony and SZUSZKIEWICZ, W. (2015). Unit-cell dimensions of α-MnTe in the 295K – 1200K temperature range. X-Ray Spectrometry, 44 (5), 394-397.

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/xrs.264...
Link to published version:: https://doi.org/10.1002/xrs.2646
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    Abstract

    Unit cell dimensions of high-quality MnTe crystals with NiAs structure were analyzed at temperatures ranging from 295 K to 1200 K. First, the X-ray diffraction were carried out on powdered sample at room temperature using the laboratory diffractometer. Next, the diffraction patterns in a wide temperature range were accumulated with the use of synchrotron radiation. The Rietveld refinement to all experimental data was applied. The average values of linear expansion coefficients in a and c direction are reported. The observed presence of MnTe2 impurity phase in the temperature range from about 500 K to 1050K is attributed to decomposition of a small fraction of MnTe during heating.

    Item Type: Article
    Additional Information: Work done in collaboration with the Institute of Physics, Warsaw, Poland when I worked at DESY, Hamburg, Germany.
    Identification Number: https://doi.org/10.1002/xrs.2646
    Page Range: 394-397
    Depositing User: Anthony Bell
    Date Deposited: 09 Aug 2016 12:59
    Last Modified: 09 Aug 2016 12:59
    URI: http://shura.shu.ac.uk/id/eprint/12801

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