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Comment on "Magnetic Structure of Gd2Ti2O^d7"



J. R. Stewart, G. Ehlers, A. S. Wills, S.T. Bramwell, Jason S. Gardner


M. W. Long and collaborators [Phys. Rev. B, 83 054422 (2011)] recently proposed solutions to the magnetic structure of gadolinium titanate that differ to those previously reported bu us [J. R. Stewart, G. Ehlers, A. S. Wills, S. T. Bramwell and J. S. Gardner, J. Phys: Condens. Matter, 16 L321 (2004)]. In this Comment, we show that the calculated structure factors, S(Q), of the newly proposed models are inconsistent with our neutron powder diffraction data. Long and collegues were led to reconsider the magnetic structure of gadolinium titanate on the basis of a number of theoretical and experimental assumptions. We argue that these assumptions have no basis in fact and conclude there is no reason to doubt our published magnetic structures.
Physical Review B


Neutron diffraction, antiferromagnet


Stewart, J. , Ehlers, G. , Wills, A. , Bramwell, S. and Gardner, J. (2012), Comment on "Magnetic Structure of Gd<sub>2</sub>Ti<sub>2</sub>O^d7", Physical Review B, [online], (Accessed April 24, 2024)
Created March 26, 2012, Updated October 12, 2021