“…[7] Recently, semiconductors in nanostructures have aroused great interest [8,9]. Some reports have appeared on preparations of titania nanotubes, nanowires, and especially, nanorods [10][11][12][13][14][15][16][17].…”
“…[7] Recently, semiconductors in nanostructures have aroused great interest [8,9]. Some reports have appeared on preparations of titania nanotubes, nanowires, and especially, nanorods [10][11][12][13][14][15][16][17].…”
“…The intensity from (113) diffraction is obviously enhanced. This phenomenon has also been observed for GaP nanorods [23] and Al 2 O 3 whiskers [24], which was attributed to preferential growth of wire-like structure. As a result, the present Al 2 O 3 crystal should have a preferential epitaxial axis perpendicular to (113) plane.…”
“…The presently measured ratio is higher than 3.1, indicating that the (1 1 0) diffraction intensity is strongly predominant. The phenomenon has also been observed for the various free-standing onedimensional materials [25][26][27]. This could be suggested as an indicator of the preferential growth direction within the wire structure.…”
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