Abstract
A study of the crystal structure of the phases VII and V of (NH4)3H(SO4)2 by mean of neutron Laue diffraction was carried out at temperatures from 5 to 300 K. It is found that the crystal structures of phases VII and V are incommensurately modulated with different periods, and that the phase transition from phase VII to phase V is of first order.
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McIntyre, G.J., Smirnov, L.S., Baranov, A.I. et al. Modulated crystal structures of phases VII and V in (NH4)3H(SO4)2. Neutron Laue diffraction. Crystallogr. Rep. 58, 78–80 (2013). https://doi.org/10.1134/S1063774513010239
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DOI: https://doi.org/10.1134/S1063774513010239