期刊
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
卷 33, 期 21, 页码 17161-17173出版社
SPRINGER
DOI: 10.1007/s10854-022-08592-0
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The solid solution 0.7Bi(1-x)Nd(x)FeO(3)-0.3PbTiO(3) (BNFPT)(x) with varying x values has been synthesized successfully using solid-state reaction technique. The influence of Nd substitution on the structural, dielectric, ferroelectric, magnetic, and magneto-electric properties has been studied. The material demonstrates high dielectric permittivity, low tangent loss, and magneto-electric coupling.
The solid solution 0.7Bi(1-x)Nd(x)FeO(3)-0.3PbTiO(3), i.e., (BNFPT)(x) with x values vary from 0.05 to 0.20 with an interval of 0.05 has been successfully synthesized using solid-state reaction technique. The influence of substitution of Nd on the structural, dielectric, ferroelectric, magnetic, and magneto-electric properties of 0.7BiFeO(3)-0.3PbTiO(3) solid solution has been studied. The X-ray diffraction revealed the simultaneous coexistence of rhombohedral and tetragonal structure with space group R3c and P4mm, respectively. Dielectric studies indicated a high dielectric permittivity and low tangent loss with magneto-electric coupling near magnetic phase transition Neel temperature (T-N). The study of variation in magnetization with magnetic field at 5 K and at 300 K revealed an increase in magnetization with increasing Nd doping level, by suppressing antiferromagnetic spin cycloid of BiFeO3.The ferroelectric investigation shows low value of remnant polarization, whereas the converse piezoelectric coefficient increases up to x = 0.10 and then rapidly drops with increasing Nd concentration. Magnetoelectric coupling coefficient (alpha(ME)) increases rapidly with increasing bias magnetic field and reaches a maximum value of 2.8719 mV/cmOe. These enhanced features make the material attractive contender for possible applications.
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