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|標題:||Synthesis and Magnetic Properties of Ferrite Films Prepared Using the Co-Precipitation Technique||作者:||Lin, C.C.
|關鍵字:||Ferrite film;synthesis;co-precipitation;magnetic properties;half-metallic fe3o4;pulsed-laser deposition;ion-beam deposition;thin-films;verwey transition;magnetoresistance;fabrication;particles;devices;growth||Project:||Ferroelectrics||期刊/報告no：:||Ferroelectrics, Volume 383, Page(s) 15-20.||摘要:||
Nanoparticle films of ferrite were synthesized using the chemical co-precipitation technique. It was shown that densely packed ferrite films with a thickness of 7 mu m can be deposited from fine particles with an average particle size of 10-20 nm on the Si substrate. The particle size, composition, and magnetic properties of the films are affected by the pH value of the reactive solutions. For samples with a lower pH value, the particles are small and agglomerate together. Conversely, for samples with a higher pH value, the particles are large and uniformly distributed. Samples fabricated with a higher pH value show large values of magnetization and lower values of coercive force. The result of larger magnetization relates to larger particle size and a more uniform distribution for samples fabricated with a higher pH value.
|Appears in Collections:||光電工程研究所|
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