Open AccessStructural, magnetic behaviors and temperature-dependent Raman scattering spectra of Y and Zr codoped BiFeO3 ceramics
Author(s) -
Cheng Zhang,
Dan Xie,
Jianlong Xu,
Yilin Sun,
Yongyuan Zang,
Xiaowen Zhang,
Xingsen Gao
Publication year - 2015
Publication title -
journal of advanced dielectrics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.38
H-Index - 13
eISSN - 2010-135X
pISSN - 2010-1368
DOI - 10.1142/s2010135x15500253
Subject(s) - materials science , tetragonal crystal system , raman spectroscopy , multiferroics , raman scattering , crystal structure , condensed matter physics , néel temperature , ceramic , softening , antiferromagnetism , phonon , magnetic structure , crystallography , nuclear magnetic resonance , optics , magnetic field , composite material , ferroelectricity , optoelectronics , physics , magnetization , dielectric , chemistry , quantum mechanics
Multiferroic [Formula: see text] (BFO) and Y, Zr codoped BFO [Formula: see text] ceramics were prepared and the influence of codoping on the crystal structure and magnetic properties were investigated in this work. Confirmed by the evolution of X-ray diffraction and Raman modes, the codoping has changed the crystal structure from rhombohedral to tetragonal in bulk BFO ceramics. The enhancement of magnetic behaviors is demonstrated by the damage of space-modulated spiral spin structure, and it can be attributed to the crystal structure change and size effects. Meanwhile, Raman spectra from 300 to 800 K demonstrates that lower frequency phonon modes show rapid softening near the Neel temperature.