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Nanocrystals of BaFe12O19 obtained by the proteic sol-gel process

机译:通过蛋白质溶胶-凝胶法获得的BaFe12O19纳米晶体

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Nanocrystals of BaFe12O19, with a small amount of the BaFe2O4, were obtained by means of the proteic sol-gel process together. The results demonstrated that the magnetic and crystallographic properties are dependent on the calcination temperature and the values of M-r/M-s are very close to 0.5, which is the expected value by the Stoner-Wohlfarth model. The best calcination temperature was at 900 degrees C with M-s = 55.5 emu/g, H-c = 4.1 kOe and crystallite size 39 nm. (c) 2006 Elsevier B.V. All rights reserved.
机译:通过蛋白质溶胶-凝胶法共同获得了含有少量BaFe2O4的BaFe12O19纳米晶体。结果表明,磁性和晶体学性质取决于煅烧温度,M-r / M-s值非常接近0.5,这是Stoner-Wohlfarth模型的预期值。最佳煅烧温度为900摄氏度,M-s = 55.5 emu / g,H-c = 4.1 kOe,微晶尺寸为39 nm。 (c)2006 Elsevier B.V.保留所有权利。

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