Abstract

Neutron scattering experiments on the amorphous spin glass Al 2Mn 3Si 3O 12 with energy resolutions from 0.5–0.0006 meV reveal an exponential dependence of the relaxation time on reciprocal temperature. This study of the quasi-elastic intensity as a function of temperature points to the possibility that the spin glass behaviour in this compound is due to a relaxation phenomenon. In this paper we report on results obtained with high resolution triple-axis and backscattering neutron spectrometers.

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