Effect of heat treatment on structural and magnetic properties of Li-Ni ferrite prepared via sol-gel auto-combustion method
文献类型:期刊论文
作者 | Song, Jiali; Wang, Zhi; Gao, Yu |
刊名 | JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
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出版日期 | 2021 |
卷号 | 32期号:13页码:17105-17114 |
关键词 | DIELECTRIC-PROPERTIES LITHIUM TEMPERATURE NANOPARTICLES SUBSTITUTION |
英文摘要 | Nanocrystalline Li0.35Ni0.3Fe2.35O4 ferrites were prepared at different annealing temperatures by sol-gel auto-combustion method. The effects of the annealing temperature on the structure and magnetic properties of the synthesized Li-Ni ferrites were characterized by X-ray diffraction (XRD), scanning electron microscopy, Fourier transform infrared spectra and Vibrating Sample Magnetometer, and X-ray photoelectron spectrometer. Rietveld refinement of the XRD data confirmed the occurrence of phase transition from alpha-spinel to beta-spinel, from which the ideal cation occupation and lattice parameter can be obtained. The grain size increased significantly with annealing temperature. The variation of saturation magnetization can be well explained in terms of the occupation of ions in tetrahedron and octahedron. The coercivity initially increased and later decreased significantly from 115 to 37 Oe with the increase of annealed temperature which could be attributed the fact that the 600 degrees C-annealed grain size is close to transition size from single- to multi-domain region. |
源URL | [http://ir.nimte.ac.cn/handle/174433/21841] ![]() |
专题 | 中国科学院宁波材料技术与工程研究所 2021专题_期刊论文 |
作者单位 | Wang, Z (corresponding author), Tianjin Univ, Sch Sci, Tianjin 300072, Peoples R China. |
推荐引用方式 GB/T 7714 | Song, Jiali,Wang, Zhi,Gao, Yu. Effect of heat treatment on structural and magnetic properties of Li-Ni ferrite prepared via sol-gel auto-combustion method[J]. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,2021,32(13):17105-17114. |
APA | Song, Jiali,Wang, Zhi,&Gao, Yu.(2021).Effect of heat treatment on structural and magnetic properties of Li-Ni ferrite prepared via sol-gel auto-combustion method.JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,32(13),17105-17114. |
MLA | Song, Jiali,et al."Effect of heat treatment on structural and magnetic properties of Li-Ni ferrite prepared via sol-gel auto-combustion method".JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS 32.13(2021):17105-17114. |
入库方式: OAI收割
来源:宁波材料技术与工程研究所
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