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Interference effect between superparamagnetic and spin glass correlated moments in a system of dispersed Co3O4 nanocrystallites
(Journal of Physics: Condensed Matter, 2009)
An inhomogeneous system of aggregates of Co3O4 nanocrystallites dispersed in an amorphous SiO2 matrix has been studied. X-ray diffraction and atomic force microscopy reveal a bimodal distribution of crystallite sizes, ...
Properties of the moving Holstein large polaron in one-dimensional molecular crystals
(Journal of Physics: Condensed Matter, 2009)
The features of the moving large polaron are investigated within Holsteins molecular crystal model. The necessity to account for the phonon dispersion is emphasized and its impact on polaron properties is examined in detail. ...