Open AccessStructural, magnetic and electric properties of Nd and Ni co-doped BiFeO<sub>3</sub> materials
Author(s) -
Dao Viet Thang,
Le Thi Mai Oanh,
Nguyen Cao Khang,
Nguyễn Mạnh Hùng,
Danh Bich,
Du Thi Xuan Thao,
Nguyễn Văn Minh
Publication year - 2017
Publication title -
aims materials science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.367
H-Index - 16
eISSN - 2372-0484
pISSN - 2372-0468
DOI - 10.3934/matersci.2017.4.982
Subject(s) - ferroelectricity , multiferroics , ferromagnetism , materials science , doping , magnetization , crystal structure , condensed matter physics , analytical chemistry (journal) , ferromagnetic material properties , electric field , crystallography , nuclear magnetic resonance , magnetic field , dielectric , physics , chemistry , optoelectronics , chromatography , quantum mechanics
Multiferroic Bi1−xNdxFe0.975Ni0.025O3 (x = 0.00, 0.05, 0.10, 0.125, and 0.15) (BNFNO) and BiFeO3 (BFO) materials were synthesized by a sol-gel method. Crystal structure, ferromagnetic and ferroelectric properties of the as-synthesized materials were investigated. Results showed that Nd3+ and Ni2+ co-doping affected to the electrical leakage, enhanced ferroelectric polarization and magnetization of BiFeO3. Co-doped sample with 12.5 mol% of Nd3+ and 2.5 mol% of Ni2+ exhibited an enhancement in both ferromagnetism and ferroelectric properties up to MS ~ 0.528 emu/g and PS ~ 18.35 μC/cm2 with applied electric field at 5 kV/cm, respectively. The origins of ferromagnetism and ferroelectricity enhancement were discussed in the paper
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