Structural and dielectric properties of pure and Dy3+ substituted BiFeO3 particles synthesized by auto-combustion method

被引：3
|
作者：
Ghadage, P. A. [1 ]
Ghodake, U. R. [2 ]
Kambale, R. C. [3 ]
Suryavanshi, S. S. [1 ]
机构：
[1] Solapur Univ, Dept Phys, Ferrite Mat Lab, Solapur 413255, India
[2] Shri Shivaji Mahavidyalaya, Dept Elect, Barshi 413411, Maharashtra, India
[3] Savitribai Phule Pune Univ, Dept Phys, Pune 411007, Maharashtra, India
来源：
FUNCTIONAL OXIDES AND NANOMATERIALS | 2017年 / 1837卷
关键词：
CRYSTAL;
D O I：
10.1063/1.4982123
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The rare earth Dy3+ substituted BiFeO3 (BFO) nanoparticles with general formula Bi1-xDyxFeO3 were successfully synthesized by glycine assisted auto-combustion route. X-ray diffraction confirms the phase transformation from rhombohedral lattice symmetry to orthorhombic lattice symmetry for x <= 10 mol. %. Lattice constant was calculated by using the rhombohedral (hexagonal) formula. The dielectric constant of pure BFO is found to increase while the dielectric loss decreases due to Dy3+ substitution which are attributed to the reduction in oxygen vacancies. Composition with x = 25 mol. % exhibits high resistivity and low dielectric loss which will be suitable for high resonant circuits.
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页数：4
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