Anisotropic thermal expansion in the silicate b-eucryptite : A neutron diffraction and density functional study

Abstract

The highly anisotropic thermal expansion in the hexagonal silicate b-eucryptite @b-LiAlSiO4# has been investigated using neutron diffraction measurements ~for temperatures from 20 to 873 K! and density functional calculations. The agreement between theory and experiment is very good, and the main features of the expansion can be explained by anomalies in… (More)

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