Nanocrystalline plumbum stannate powder preparation method
A technology of crystalline lead stannate and powder, which is applied in the field of preparation of ferroelectric functional ceramic materials, to achieve the effect of improving ferroelectric performance, simple method and improving preparation process
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[0012] 7.0865 g of PbNO 3 and 7.5011 g of SnCl 4 ·5H 2 O (molar ratio Pb / Sn=1) was dissolved in 500 mL of 1M HNO 3 Solution is made solution A; The NaOH of 6.1613 grams is dissolved in 500 milliliters of deionized water again, is made into solution B; A solution is dripped into B solution, and temperature is maintained on 80 ℃, and constantly stirs on magnetic stirrer (about 8 hours), the pH value was maintained at 11, and a milky white sol was obtained. After two days of formation, a light yellow-white gel was obtained, which was heated and dehydrated at 110°C to obtain high-purity PbSnO with a size of 10nm. 3 polycrystalline powder.
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