Characterisation of partial magnetic order in Gd2Sn2O7
We have recently performed a WISH experiment on polycrystalline Gd2Sn2O7 as a function of field. The zero field low-temperature magnetic structure was thought to correspond to that predicted by Palmer and Chalker, being a 4-sublattice k=0 antiferromagnet. However our WISH data do not agree with this model, and furthermore it appears as if half the full Gd moment is disordered, as evidenced by weaker-than-expected Bragg intensities, and considerable diffuse scattering. We now propose to study the disordered magnetic structure using polarization analysis on D7. We will need 5 days for this measurement.
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STEWART John Ross; EHLERS Georg; GARDNER Jason S.; PADDISON Joseph; PETRENKO Oleg and WILDES Andrew. (2015). Characterisation of partial magnetic order in Gd2Sn2O7. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-32-808
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