Multiferroic properties of Bi0.95R0.05FeO3 polycrystalline films on the glass substrates (R = La, Pr, Nd, Sm, and Ho)
作者： TK Lin , HW Chang , YH Sung , CR Wang , DH Wei
DOI: 10.1016/J.MATLET.2020.128216
关键词:
摘要: Abstract Multiferroic properties of Bi0.95R0.05FeO3 films (R = La, Pr, Nd, Sm, and Ho) (BRFO) on glass substrates at reduced formation temperature 450 °C via pulsed laser deposition have been investigated. XRD result shows that perovskite phase is found for all studied BRFO films, but an additional phase, Bi2Fe4O9, coexists Ho-doped BFO film. For a fine microstructure with flat surface observed. The polycrystalline exhibit coexistence good ferroelectric ferromagnetic properties. remanent polarization (2Pr) 57–113 μC/cm2 electrical coercive field 210–384 kV/cm obtained, while the saturation magnetization (Ms) 6.6–20.3 emu/cm3 coercivity 400–600 Oe attained. relationship between 2Pr ionic radius R3+ indicates may mainly dominate films. change Ms R related to magnetic moment doped ion. Besides, leakage mechanism also discussed. in this study suggests multiferroic could be well tuned by R.
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