Influenced of Bi(Ti1/2Ni1/2)O3 concentration on the structural, optical and magnetic properties of lead-free Bi1/2Na1/2TiO3 materials

被引：11
作者：
Dung, D. D. [1 ]
Hue, M. M. [1 ]
Dung, N. Q. [2 ]
Phuong, L. T. K. [3 ]
Bac, L. H. [1 ]
Duong, N. X. [1 ]
Luong, P. D. [1 ]
Duc, N. A. [1 ]
Trung, N. N. [1 ]
Thoan, N. H. [1 ]
Odkhuu, D. [4 ]
机构：
[1] Ha Noi Univ Sci & Technol, Sch Engn Phys, 1 Dai Co Viet Rd, Hanoi, Vietnam
[2] Thai Nguyen Univ Educ, Dept Chem, 20 Luong Ngoc Quyen St, Thai Nguyen, Vietnam
[3] Hong Duc Univ, Dept Technol & Engn, 556 Quang Trung St, Dong Ward, Thanh Hoa, Vietnam
[4] Incheon Natl Univ, Dept Phys, Incheon 22012, South Korea
来源：
VACUUM | 2020年 / 177卷
关键词：
Bi1/2Na1/2TiO3; Bi(Ti1/2Ni1/2)O-3; Lead-free ferroelectric; Ferromagnetic; Sol-gel; ROOM-TEMPERATURE FERROMAGNETISM; FERROELECTRIC PROPERTIES; NI;
D O I：
10.1016/j.vacuum.2020.109306
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Bi(Ti1/2Ni1/2)O-3-modified Bi1/2Na1/2TiO3 materials were synthesized by using simple sol-gel route method. The X-ray diffraction and Raman scattering spectra indicated that the Bi(Ti1/2Ni1/2)O-3 materials formed a solid solution with Bi(Ti1/2Ni1/2)O-3 concentration of up to 9 mol%. The diffusion of impurity cations and random incorporation into host lattice of Bi1/2Na1/2TiO3 materials resulted in distortion structural of host crystal. The optical band gap energy of Bi1/2Na1/2TiO3 materials decreased from 3.07 eV to 2.72 eV for 9 mol.% Bi(Ti1/2Ni1/2)O-3-modified Bi1/2Na1/2TiO3 materials as solid solution. Room-temperature ferromagnetism was achieved in Bi(Ti1/2Ni1/2)O-3-modified Bi1/2Na1/2TiO3 materials, thereby extending their applications. This work demonstrated a new method for integrating ferromagnetic properties in green ferroelectric materials for next-generation smart electronic devices.
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页数：7
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