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Journal Article

Evidence for the existence of β-Na3AlH6: Monitoring the phase transformation from α-Na3AlH6 by in situ methods

MPS-Authors
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Weidenthaler,  C.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Pommerin,  A.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Felderhoff,  M.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Schmidt,  W.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Bogdanović,  B.
Research Group Bogdanovi?, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Schüth,  F.
Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Weidenthaler, C., Pommerin, A., Felderhoff, M., Schmidt, W., Bogdanović, B., & Schüth, F. (2005). Evidence for the existence of β-Na3AlH6: Monitoring the phase transformation from α-Na3AlH6 by in situ methods. Journal of Alloys and Compounds, 398(1-2), 228-234. doi:10.1016/j.jallcom.2005.02.021.


Cite as: https://hdl.handle.net/11858/00-001M-0000-000F-9519-3
Abstract
The phase transformation of α-Na3AlH6 to β-Na3AlH6 was characterized by in situ DSC and high-temperature X-ray diffraction methods. The detection of the phase transformation from the α- to the β-polymorph requires rapid heating rates and a very fast data acquisition. The influence of the preparation method on the stability of both polymorphic forms most probably originates from different particle sizes of the parent samples.