Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2007-10-29
Physical Review B 76, 134419 (2007)
Physics
Condensed Matter
Strongly Correlated Electrons
7 pages, 6 figures
Scientific paper
10.1103/PhysRevB.76.134419
A synchrotron x-ray diffraction study of the crystallographic structure of PrO2 in the Jahn-Teller distorted phase is reported. The distortion of the oxygen sublattice, which was previously ambiguous, is shown to be a chiral structure in which neighbouring oxygen chains have opposite chiralities. A temperature dependent study of the magnetic excitation spectrum, probed by neutron inelastic scattering, is also reported. Changes in the energies and relative intensities of the crystal field transitions provide an insight into the interplay between the static and dynamic Jahn-Teller effects.
Bewley R. I.
Boothroyd Andrew T.
Detlefs B.
Detlefs Carsten
Helme L. M.
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