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  Ding, Y.; Stüßer, N.; Reehuis, M.; Hofmann, M.; Ehlers, G.; Günther, D.; Meißner, M.; Welzel, St.; Wilhelm, M.; Steiner, M.; Kubanek, F.: Neutron diffraction at the magnetic structure of Mn_0.88Fe_0.12WO₄. Physica B 276-278 (2000), p. 596-597

10.1016/S0921-4526(99)01783-4

Abstract:
Neutron diffraction of a single crystal and of powder samples of composition Mn0.88Fe0.12WO4 were performed to study the magnetic structure. A commensurate antiferromagnetic (AF) structure with the wavevector k = (0.25, 0.5, 0.5) between 1.5 and 13.5 K and an incommensurate AF structure with k = (0.23, 0.5, 0.508) mere determined. A magnetic phase similar to that of FeWO4 is observed between 19 and 13.3 K. Below 13.3 K magnetic diffraction intensities indexed to the magnetic unit. cell of FeWO4 are still present, however, cannot be related to the FeWO4-type structure alone. (C) 2000 Elsevier Science B.V. All rights reserved.