Kaori Hashimoto, Atsushi Mori, Katsuhiro Tamura, Yoshihisa Suzuki
We successfully fabricated large grains of silica colloidal crystals in an inverted-triangle internal-shaped container (inverted-triangle container) by centrifugation. The largest grain in the container was much larger than that in a container which has a flat bottom and constant width (flat-bottomed container). The edged bottom of the inverted-triangle container eliminated the number of the grains, and then the broadened shape of the container effectively widened the grains.
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http://arxiv.org/abs/1301.7151
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