Tuning of the magnetic response in cobalt ferrite Co_xFe_3-xO₄ by varying the Fe²⁺ to Co²⁺ molar ratios: Rietveld refinement and DFT structural analysis

详细信息    查看全文

• 作者：Samuel Oropeza Estrada^a ; Carlos A. Huerta-Aguilar^a ; T. Pandiyan^a ; ^{pandiyan@servidor.unam.mx} ; Mó ; nica Corea^b ; Ivá ; n Alejandro Reyes-Domí ; nguez^c ; G. Tavizon^a
• 关键词：Cobalt ferrites ; Magnetic properties ; Rietveld refinement ; DFT ; Molecular orbitals (MO) ; Density of the states (DOS)
• 刊名：Journal of Alloys and Compounds
• 出版年：2017
• 出版时间：25 February 2017
• 年：2017
• 卷：695
• 期：Complete
• 页码：2706-2716
• 全文大小：2924 K
• 卷排序：695

文摘

Effect of Co/Fe ratio on the magnetic saturation of cobalt ferrate. Rietveld refinement and DFT studies on cobalt ferrates with different molar Co/Fe ratio. Why CoxFe3-xO4 (x = 0.75 or 1.5) exhibits high magnetic saturation. Correlation of substitution (%) of Fe by Co in Fe3O4 with magnetic saturation.