Enhanced ferroelectric and ferromagnetic properties simultaneously in 2-2 type Bi0.89Tb0.11Fe0.96Mn0.02Co0.02O3/Zn0.5Cu0.5Fe2O4 thin films

IF 2.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Letters Pub Date : 2025-03-28 DOI:10.1016/j.matlet.2025.138482

Wenlong Liu, Jiahua Wei, Di Li, Jin Zong, Qibin Yuan

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Abstract

Multiferroic BiFeO3 (BFO) thin films exhibit both ferroelectric and ferromagnetic properties at room temperature, and have broad potential applications in the field of multifunctional electronic devices. Here, 2–2 type Bi_0.89Tb_0.11Fe_0.96Mn_0.02Co_0.02O₃/Zn_1-xCu_xFe₂O₄ (BTFMCO/ZC_xFO, x = 0, 0.5) thin films were successfully prepared on FTO substrates by the sol–gel method, and the effects of the ZC_xFO magnetic layer on the structural, surface morphological, dielectric, ferroelectric and ferromagnetic properties of the thin films were investigated. The results show that the saturation polarization intensities of the BTFMCO/ZFO thin film and the BTFMCO/ZC_0.5FO thin film are 60 μC/cm² and 82 μC/cm², respectively, and the saturation magnetization intensities are 36.5 emu/cm³ and 66.1 emu/cm³, respectively. After doping the magnetic layer, both the ferroelectricity and ferromagnetism are significantly enhanced simultaneously. These superior multiferroic properties provide new opportunities for the development of innovative multifunctional electronic components.

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来源期刊

Materials Letters 工程技术-材料科学：综合

CiteScore

5.60

自引率

3.30%

发文量

1948

审稿时长

50 days

期刊介绍： Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review. Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials. Contributions include, but are not limited to, a variety of topics such as: • Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors • Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart • Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction • Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots. • Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing. • Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic • Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive