典型文献
Structural,electrical and magnetic properties of cobalt ferrite with Nd3+ doping
文献摘要：
A systematic study on the influence of Nd3+ sub-stitution on structural,magnetic and electrical properties of cobalt ferrite nanopowders obtained by sol-gel auto-com-bustion route was reported.The formation of spinel phase was confirmed by X-ray diffraction (XRD) data,and percolation limit of Nd3+ into the spinel lattice was also observed.Fourier transform infrared spectroscopy (FTIR) bands observed≈ 580 and ≈ 390 cm-1 support the presence of Fe3+ at A and B sites in the spinel lattice.The variation in microstructure was investigated by scanning electron microscopy (SEM),and the average grain size varies from 5.3 to 3.3 μm.The substitution of Nd3+ significantly affects the formation of pores and grain size of cobalt ferrite.Room-temperature sat-uration magnetization and coercivity decrease from 60 to 30 mA·m2·g-1 and 19.9-17.8 mT,respectively,with Nd3+substitution increasing.These decreases in magnetic proper-ties are explained based on the presence of non-magnetic nature of Nd3+ concentration and the dilution of super-ex-change interaction in the spinel lattice.The room-temperature direct-current electrical resistivity increases with Nd3+ con-centration increasing,which is due to the unavailability of Fe2+ at octahedral B sites.
文献关键词：
中图分类号：
作者姓名：
Regaty Anitha Reddy;Kattepogu Rama Rao;Bitra Rajesh Babu;Guthikonda Kiran Kumar;Cherukupalli Rajesh;Anindita Chatterjee;Nadella Krishna Jyothi
作者机构：
Department of Physics,Koneru Lakshmaiah Education Foundation,Vaddeswaram,Guntur,Andhra Pradesh 522502,India;Department of Physics,Andhra University,Visakhapatnam,Andhra Pradesh 530003,India;Department of Physics,G.V.P.College of Engineering for Women,Visakhapatnam,Andhra Pradesh 530048,India;Department of Physics,Raghu College of Engineering (A),Bheemunipatnam,Visakhapatnam,Andhra Pradesh 531162,India;Department of Physics,Gayatri Vidya Parishad College of Engineering (Autonomous),Visakhapatnam,Andhra Pradesh 530048,India;Department of Chemistry,Raghu College of Engineering (A),Bheemunipatnam,Visakhapatnam,Andhra Pradesh 531162,India
文献出处：
引用格式：
[1]Regaty Anitha Reddy;Kattepogu Rama Rao;Bitra Rajesh Babu;Guthikonda Kiran Kumar;Cherukupalli Rajesh;Anindita Chatterjee;Nadella Krishna Jyothi-.Structural,electrical and magnetic properties of cobalt ferrite with Nd3+ doping)[J].稀有金属（英文版）,2022(01):240-245
A类：
Nd3+substitution
B类：
Structural,electrical,magnetic,properties,cobalt,ferrite,doping,systematic,study,influence,structural,nanopowders,obtained,by,sol,gel,auto,com,bustion,route,was,reported,formation,spinel,phase,confirmed,ray,diffraction,data,percolation,limit,into,lattice,also,observed,Fourier,transform,infrared,spectroscopy,FTIR,bands,support,presence,Fe3+,sites,variation,microstructure,investigated,scanning,electron,microscopy,average,grain,size,varies,from,significantly,affects,pores,Room,temperature,sat,uration,magnetization,coercivity,mA,mT,respectively,increasing,These,decreases,explained,nature,concentration,dilution,super,change,interaction,room,direct,current,resistivity,increases,which,due,unavailability,Fe2+,octahedral
AB值：
0.536861
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