Polarization of the continuum in the pyrochlore magnet Yb2Ti2O7
The proposed experiment is part of our systematic experimental studies of geometrical frsutration in various pyrochlore R2M2O7 (R = Rare earth, M an element like Ti, Sn, Zr). Here, we plan to study the polarization of the magnetic excitations of the pyrochlore ferromagnet Yb2Ti2O7 on the THALES spectrometer. Despite its long range ordering, this remarkable material shows a broad spectrum that persits up to high temperature and that is tentatively interpreted in terms of a continuum. This feature likely originates from competing ferromagnetic and antiferromagnetic instabilities. The polarization analysis of this continuum is expected to give new insight into the origin of this feature.
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ROBERT Julien; LHOTEL Elsa; PETIT Sylvain and RAYMOND Stephane. (2016). Polarization of the continuum in the pyrochlore magnet Yb2Ti2O7. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.4-05-647
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