摘要
采用水热合成法制备镍锌铁氧体粉体,以稀土元素La、Ce进行掺杂,利用SEM和XRD等手段对样品进行表征。结果表明,La3+、Ce3+掺杂后,La3+、Ce3+离子掺杂进入镍锌铁氧体晶格后,会产生一定的晶格畸变,造成晶粒常数的增大,但对晶体的形貌影响不大。除存在少量大颗粒,立方尖晶石相Ni0.35Zn0.65Fe1.95La0.05O4和Ni0.35Zn0.65Fe1.95Ce0.05O4颗粒分布均匀,粒径大小基本一致。
Nickel-zinc ferrite powders were prepared by hydrothermal synthesis,with La/Ce doping.The performances were characterized by SEM and XRD.The results show that La3＋,Ce3＋ ions have entered into the nickel zinc ferrite crystal lattices.It could cause certain lattice distortion and grain size increase,while the crystal morphology was not greatly affected.Except several big particles,most of the cubic spinel phase samples Ni0.35Zn0.65Fe1.95La0.05O4 and Ni0.35Zn0.65Fe1.95Ce0.05O4 were distributed evenly.
出处
《上海有色金属》
CAS
2011年第2期57-60,共4页
Shanghai Nonferrous Metals
关键词
镍锌铁氧体
水热合成
稀土掺杂
nickel-zinc ferrite
hydrothermal synthesis
rare earth doping
