Structural ＆ Magnetic Characterizations of NiLiZn Nanoferrites Synthesized by Co-precipitation Method

• 来源期刊: 材料科学技术学报：英文版
• 学科: 工学
• 年，卷（期）: 2011,（11）
• 所属期刊栏目: Nanomaterials and Nanotechnology
• 页码范围: 991-995
• 页数: 5页
• 分类号: TB
• 语种: 英文

摘要

Synthesis of Ni0.sLixZn（0.5-x）Fe204 nanoparticles with x=0, 0.1, 0.2, 0.3, 0.4 and 0.5 were realized via coprecipitation method. X-ray diffraction （XRD） and vibrating sample magnetometer （VSM） measurements were performed on the samples to determine the characteristics of the crystal structures and the magnetic properties of the samples, respectively. The spinel phase structures of the samples were confirmed by XRD analysis. Patterns of decreased lattice parameter and increased crystallite size values were observed by increasing the Li concentration at longer synthesis reaction periods. Similarly, for the magnetic properties, both the saturation magnetization （Ms） and coercivity （Hc） were found to vary with increasing patterns at higher Li doping levels and longer synthesis reaction periods. The results and mechanisms concerned were discussed.