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http://dx.doi.org/10.1103/PhysRevLett.71.2571 | DOI Listing |
J Phys Condens Matter
July 2012
Institut Laue-Langevin, BP 156, 38042 Grenoble Cedex 9, France.
We have investigated low energy nuclear spin excitations in double perovskite compounds R(2)CoMnO(6) (R=Y, Tb) by inelastic neutron scattering with a high resolution back-scattering spectrometer. We observed inelastic signals at about 2.1 μeV for Y(2)CoMnO(6) and also for Tb(2)CoMnO(6) at T = 2 K in both energy-loss and energy-gain sides.
View Article and Find Full Text PDFThe diffusion translational coefficient Dt of core particles in monodisperse solutions has been measured by the quasielastic light scattering method in a large scale of salinities over the range 6.10(-4) to 2M Na+ or K+. The observed values of DT are independent of particle concentration in the range 0.
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