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We report on a controlled synthesis of BN tubular layers-coated aluminum borate (Al 18 B 4 O 33 ) nanowhiskers via a sol–gel and post-thermal-treatment method. A new boron source, trimethyl borate is used as a novel reactant. The Al 18 B 4 O 33 nanowhiskers with diameters of ∼20–50nm and length of ∼0.5–2μm are homogeneously sheathed over their entire...
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