Enhanced magnetic anisotropy in Dy-doped nanocrystalline NiFe2O4

被引：6
作者：
Bhanu, Vajeera [1 ]
Madduri, P. V. Prakash [2 ]
Harsita, M. [1 ]
Soumya, Sh. [1 ]
Rao, T. Durga [1 ]
Raju, P. Kanaka [1 ]
Bhatangar, A. K. [3 ]
Sattibabu, Bhumireddi [1 ]
机构：
[1] GITAM Deemed Univ, Sch Sci, Dept Phys, Visakhapatnam 530045, Andhra Pradesh, India
[2] Indian Inst Informat Technol Design & Mfg, Dept Sci, Kurnool 518008, Andhra Pradesh, India
[3] Univ Hyderabad, Sch Phys, Hyderabad 500046, India
来源：
MATERIALS TODAY COMMUNICATIONS | 2023年 / 35卷
关键词：
Nanocrystalline materials; Ceramics; Crystal structure; Magnetic materials; ELECTRICAL-PROPERTIES; TEMPERATURE; NI; GD; DIFFRACTION; CE;
D O I：
10.1016/j.mtcomm.2023.105859
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Dysprosium-doped NFO nanocrystalline samples, NiFe2-xDyxO4 with x = 0.05, and 0.075 were synthesized by the sol-gel technique. Structural and magnetic characterization was obtained by using X-ray diffraction, Raman, Energy-Dispersive X-ray spectrum, and magnetic isotherms. 'Dy'-substitution elongated the NiFe2O4 lattice by 0.01%. The coercivity decreases with an increase in the Dy3+ doping while the magnetic anisotropy is significantly enhanced (- 350%) compared to bulk NiFe2O4.
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页数：6
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