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Co-doped SrSnO3 epitaxial thin films on MgO with tunable band gap and room-temperature ferromagnetism
Gao, Dongsheng; Gao, Xiangdong; Wu, Yongqing; Zhang, Tongtong; Yang, Jingnan; Li, Xiaomin
2019-05-01
Source PublicationPHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
ISSN1386-9477
Volume109Pages:101
SubtypeArticle
AbstractCo doped SrSnO3 films (SrSn1-xCoxO3 (0 <= x <= 1. 0), i.e., SSCO) was grown on MgO single crystal substrates by pulsed laser deposition method. Effects of the Co doping content on the crystallinity, microstructure, optical and magnetic properties were examined. For all the films the epitaxial growth along (002) plane was realized, and the lattice constant dropped from 4.065 angstrom to 3.854 angstrom with the 'x' value changing from 0 to 1.0. The Co doping promoted the growth of grains and the RMS roughness of the film increased from 3.17 nm to 9.44 nm. With the increase of the Co doping level, the optical transmittance decreased from 95% to 28% at 500 nm, and the band gap varied from 4.51 eV to 3.16 eV. All the films exhibited the room temperature ferromagnetism, and the highest saturated magnetization of 61 emu/cm(3) and the coercive force of 0.018T were realized in the SSCO (x = 1.0) film.
KeywordAlkaline earth stannate Epitaxial thin film Band gap Ferromagnetism
DOI10.1016/j.physe.2019.01.010
Language英语
WOS Research AreaScience & Technology - Other Topics ; Physics
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27161
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Gao, Dongsheng,Gao, Xiangdong,Wu, Yongqing,et al. Co-doped SrSnO3 epitaxial thin films on MgO with tunable band gap and room-temperature ferromagnetism[J]. PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES,2019,109:101.
APA Gao, Dongsheng,Gao, Xiangdong,Wu, Yongqing,Zhang, Tongtong,Yang, Jingnan,&Li, Xiaomin.(2019).Co-doped SrSnO3 epitaxial thin films on MgO with tunable band gap and room-temperature ferromagnetism.PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES,109,101.
MLA Gao, Dongsheng,et al."Co-doped SrSnO3 epitaxial thin films on MgO with tunable band gap and room-temperature ferromagnetism".PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES 109(2019):101.
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