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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Mechanochemically assisted synthesis of yttrium ferrite ceramic and its visible light photocatalytic and magnetic properties
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Mechanochemically assisted synthesis of yttrium ferrite ceramic and its visible light photocatalytic and magnetic properties

机译：机械化学辅助合成钇铁氧体陶瓷及其可见光的光催化和磁性能

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摘要

As a member of RFeO3 system (R = rare earth ions), the magnetic and optical properties of hexagonal yttrium ferrite (YFeO3) have been rarely investigated. On the other hand, a mechanical route for synthesis of this orthoferrite ceramic has not been reported yet. The aim of the present work is to synthesize YFeO3 via high energy ball milling aided by the sintering process. Photocatalytic behavior along with magnetic and absorption properties of YFeO3 were also investigated. Besides, its potential of colossal dielectric constant was discussed in this research. X-Ray diffraction analysis (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), thermogravimetry (TG), differential thermal analysis (DTA), X-ray photoemission spectroscopy (XPS), ultravioletevisible spectroscopy (UV-Vis) and Image-J software were utilized for data analysis. According to the obtained results, YFeO3 can be regarded a visible light-driven photocatalyst, a semiconductor with a narrow bandgap, a weak ferromagnetic material, and a ceramic without a colossal dielectric constant. (C) 2016 Elsevier B.V. All rights reserved.
机译：作为RFeO3系统的一员（R =稀土离子），很少研究六角形钇铁氧体（YFeO3）的磁性和光学性质。另一方面，尚未报道用于合成该正铁素体陶瓷的机械途径。本工作的目的是在烧结过程的辅助下通过高能球磨合成YFeO3。还研究了YFeO3的光催化行为以及磁性和吸收性能。此外，本研究还探讨了其潜在的巨大介电常数。 X射线衍射分析（XRD），透射电子显微镜（TEM），扫描电子显微镜（SEM），热重分析（TG），差热分析（​​DTA），X射线光发射光谱（XPS），紫外可见光谱（UV-Vis） ）和Image-J软件用于数据分析。根据获得的结果，可以将YFeO 3视为可见光驱动的光催化剂，带隙窄的半导体，弱铁磁材料和没有巨大介电常数的陶瓷。 （C）2016 Elsevier B.V.保留所有权利。

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