Robust ferromagnetism in rare-earth and transition metal co-doped ZnO nanoparticles for spintronics applications

被引：0
|
作者：
Murtaza, Adil [1 ]
Zuo, Wen-liang [1 ]
Song, Xianghao [1 ]
Ghani, Awais [1 ]
Saeed, Azhar [1 ]
Yaseen, Muhammad [2 ]
Tian, Fanghua [1 ]
Yang, Sen [1 ]
机构：
[1] School of Physics, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Key Laboratory of Advanced Functional Materials and Mesoscopic Physics, Shaanxi Province, Xi'a
[2] Spin-Optoelectronics and Ferro-Thermoelectric (SOFT) Materials and Devices Laboratory, Department of Physics, University of Agriculture, Faisalabad,38040, Pakistan
来源：
Materials Letters | 2022年 / 310卷
基金：
中国国家自然科学基金;
关键词：
Co-doped - Co-doped ZnO - Co-precipitation - Grain-boundaries - Morphological study - Rare-earths - Shaped particles - Single phasis - Spintronics application - ZnO nanoparticles;
D O I：
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学科分类号：
摘要：
This work reports on the robust ferromagnetism at room temperature in co-precipitation derived rare-earth (Tb) and transition metal (Co) co-doped ZnO nanoparticles (NPs). X-ray diffraction (XRD) analysis reveals the single-phase character. Morphological studies confirm the formation of spherical-shaped particles with different orientations separated by well-defined grain boundaries. The increase in oxygen vacancies is confirmed by photoluminescence (PL) spectra. The (Tb, Co) co-doped NPs exhibit room temperature ferromagnetic (RTFM) behavior, which has been discussed based on oxygen vacancies mediated magnetic polarons and the effect of grain boundaries. © 2021 Elsevier B.V.
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