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Ultrafine α-Al 2 O 3 particles have been synthesized via a wet chemistry/two-step calcining process. X-ray diffraction (XRD) analysis shows that the as-synthesized particles are of single-phase α-Al 2 O 3 . The grain size of the particles is examined by TEM analysis and is found to be around 80-100 nm. The study demonstrates a novel process for the synthesis of ultrafine...
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