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LIU YIN1,* , ZHANG LEI1, GAN ZHI-PING2, MA LI-YUN2, MIN FAN-FEI1, ZHANG MING-XU1
Nano crystalline Co1xZn x Fe 2 O 4 ferrites powder were prepared by the spraying coprecipitation method. Their microstructure and magnetic properties wer e investigated by XRD, TEM as well as VSM. T he results show that nano crystalline Co1xZnxFe2O4 ferrite s powder are spinel phase. The average crystallite size of nanocrystalline Co1xZnxFe2O4 ferrites powder calci ned at 7 00 C for 1.5 h is about 3 2 nm. The lattice parameter a of nanocrystalline Co1xZnxFe2 O4 ferrites powder increase s with the Zn2+ ions concent ration. The enhancement of the magnetization up to maximum value of 83.4 A·m 2 ·kg 1 in nanocrystalline Co0.7Zn0.3Fe2O4 ferrite powder is observed. This can be attributed to the change of the net magnetic moment between the sublattices for the substitution of the Co2+ ions with Zn2+ ions. The coercivity Hc of nanocrystalline Co1xZnxFe2O4 ferrites powder decrease s with Zn2+ ions concentration..
Nano crystalline materials Co1xZnxFe2O4 ferrite Microstructure Magnetic properties.
LIU YIN, ZHANG LEI, GAN ZHI-PING, MA LI-YUN, MIN FAN-FEI, ZHANG MING-XU, Effect of Zn2+ concentration on the microstructure and magnetic properties of n anocrystalline Co1xZnxFe2O4 ferrites powder, Optoelectronics and Advanced Materials - Rapid Communications, 6, 7-8, July-August 2012, pp.738-741 (2012).
Submitted at: April 13, 2012
Accepted at: July 19, 2012
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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