13C CP/MAS NMR and FE/TEM measurements of the aragonite brick of the nacreous layer of Pinctada fucata indicate that it assembles with highly oriented aragonite nanocrystals, which are regulated by biopolymers.

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The growth of SiOx nanofibers on FeSi substrates with Ga droplets was examined. It is found that well-aligned, highly oriented nanofibers were grown in an orderly fashion with a high density from the substrates. Though the length of the nanofibers depends on the growth time and the growth temperature, their diameters were about 20 nm throughout the nanofibers grown under the examined growth conditions. The nanofibers are amorphous SiOx, and eliminate the broad photoluminescence around 460 nm.

No abstract