High magneto-optical performance of GdFeO3 thin film with high orientation and heavy Ce3+ doping

In this paper, GdFeO3 thin films with high orientation and heavily Ce3+ doping were deposited by radio frequency magnetron sputtering with a matching substrate. The effects of substrates and Ce3+ doping on the structure, magnetic and magneto-optical properties of thin films were investigated. As a r...

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Bibliographic Details
Published in:Ceramics international 2019-08, Vol.45 (12), p.14928-14933
Main Authors: Lin, Nanxi, Wang, Yajing, Zhao, Yadi, Huo, Lina, Shi, Weixiong, Chen, Xin, Zhang, Yongfan, Hu, Xiaolin, Zhuang, Naifeng
Format: Article
Language:English
Subjects:
Ce3+ doping
Density functional theory
Magnetic circular dichroism
Perovskite ferrite GdFeO3
Saturation magnetization
Thin film
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Summary:In this paper, GdFeO3 thin films with high orientation and heavily Ce3+ doping were deposited by radio frequency magnetron sputtering with a matching substrate. The effects of substrates and Ce3+ doping on the structure, magnetic and magneto-optical properties of thin films were investigated. As a result, Ce3+ doping can not only increase the saturation magnetization but also greatly enhance the magnetic circular dichroism signals of Ce:GdFeO3 thin films. Based on the density functional theory calculation, it can be found that the probability of electron transition between Ce3+ 4f and Fe3+ 3d and the difference in the absorption of right and left circularly polarized light increase, which results in the strong magneto-optical effect of Ce:GdFeO3/STO thin films. [Display omitted]
ISSN:0272-8842
1873-3956
DOI:10.1016/j.ceramint.2019.04.228