To material scientists the term texture means the crystallographic orientation of grains in a polycrystal. In contrast, geologists use the term more generally to refer to the spatial arrangement or association of mineral grains in a rock. In this contribution we are concerned with the materials science definition. There are several established techniques available for the determination of cryst...

An approach is demonstrated for growing aligned ZnO nanowire/nanorod arrays following a predesigned pattern and feature with controlled site, shape, distribution, and orientation. The technique relies on an integration of atomic force microscopy (AFM) nanomachining with catalytically activated vapor-liquid-solid (VLS) growth. The pattern and growth locations are defined by the catalyst distribu...

The nonlinear transmission curves of [100]- and [110]-cut Co2+:MgAl2O4 crystals at 1.54 μm were measured experimentally. A phenomenological model was established to analyze the experimental results, in which resonant absorption crystal characterized by four groups linear dipoles oriented along body diagonals ([111], [ $${1}\stackrel{\mathrm{-}}{1}\stackrel{\mathrm{-}}{1}$$ ], $$\stackrel{\mathr...

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