Abstract
Co-preparation method has been applied to synthesize nano LaAlO 3 powders. By using La(NO 3) 3 and Al(NO 3) 3 as raw materials and keeping the pH≈9, the co-preparation process could be finished at room temperature. Pure LaAlO 3 nano powders with a size of about 50 nm could be obtained after calcining at 700–800 °C. These nano LaAlO 3 powders could be sintered at 1550 °C for 4 h, a high relative density of about 97% could be reached.
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