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Interfacial Engineering of Ferromagnetism in Epitaxial Manganite/Ruthenate Superlattices via Interlayer Chemical Doping

文献类型：期刊论文

作者Lan, Da3; Chen, Binbin3; Qu, Lili3; Jin, Feng2,4; Guo, Zhuang3; Xu, Liqiang3; Zhang, Kexuan3; Gao, Guanyin3; Chen, Feng2,4; Jin, Shaowei1
刊名ACS APPLIED MATERIALS & INTERFACES
出版日期2019-03-13
卷号11期号:10页码:10399-10408
关键词oxide heterostructure ferromagnetism charge transfer octahedral rotation chemical doping
ISSN号1944-8244
DOI10.1021/acsami.8b22055
通讯作者Wang, Lingfei(lingfei.wang@outlook.com) ; Wu, Wenbin(wuwb@ustc.edu.cn)
英文摘要Interfacial charge transfer and structural proximity effects are the two essential routes to trigger and tune numerous functionalities of perovskite oxide heterostructures. However, the cooperation and competition of these two interfacial effects in one epitaxial system have not been fully understood. Herein, we fabricate a series of La0.67Ca0.33MnO3/CaRuO3 superlattices and introduce various chemical doping in the nonmagnetic CaRuO3 interlayers. We found that Ti, Sr, and La doping in the CaRuO3 layer can effectively tune the interfacial charge transfer and octahedral rotation, thus modulating the ferromagnetism of the superlattices. Specifically, the B-site Ti doping depletes the Ru 4d band and suppresses the interfacial charge transfer, leading to a decay of ferromagnetic Curie temperature (T-C). In contrast, the A-site Sr doping maintains a sizable charge transfer and meanwhile suppresses the octahedral rotation, which facilitates ferromagnetism and significantly enhances the T-C up to 291 K. The La doping turns out to localize the itinerant electrons in the CaRuO3 layer, which suppresses both the interfacial charge transfer and ferromagnetism. The observed intriguing interfacial engineering of magnetism would pave a new way to understand the collective effects of interfacial charge transfer and structural proximity on the physical properties of oxide heterostructures.
WOS关键词EXCHANGE BIAS ; MAGNETIC-ANISOTROPY ; STRAIN STATES ; THIN-FILMS ; OXIDE ; BEHAVIOR ; HETEROSTRUCTURES
资助项目National Basic Research Program of China[2016YFA0401003] ; National Basic Research Program of China[2017YFA0403502] ; NSF of China[11474263] ; NSF of China[11574324] ; NSF of China[U1432251] ; NSF of China[11804342] ; NSF of China[51872278] ; Hefei Science Center CAS ; Postdoctoral Science Foundation[2018M632557]
WOS研究方向Science & Technology - Other Topics ; Materials Science
语种英语
WOS记录号WOS:000461538000082
出版者AMER CHEMICAL SOC
资助机构National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; NSF of China ; NSF of China ; NSF of China ; NSF of China ; Hefei Science Center CAS ; Hefei Science Center CAS ; Hefei Science Center CAS ; Hefei Science Center CAS ; Postdoctoral Science Foundation ; Postdoctoral Science Foundation ; Postdoctoral Science Foundation ; Postdoctoral Science Foundation ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; NSF of China ; NSF of China ; NSF of China ; NSF of China ; Hefei Science Center CAS ; Hefei Science Center CAS ; Hefei Science Center CAS ; Hefei Science Center CAS ; Postdoctoral Science Foundation ; Postdoctoral Science Foundation ; Postdoctoral Science Foundation ; Postdoctoral Science Foundation ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; NSF of China ; NSF of China ; NSF of China ; NSF of China ; Hefei Science Center CAS ; Hefei Science Center CAS ; Hefei Science Center CAS ; Hefei Science Center CAS ; Postdoctoral Science Foundation ; Postdoctoral Science Foundation ; Postdoctoral Science Foundation ; Postdoctoral Science Foundation ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; National Basic Research Program of China ; NSF of China ; NSF of China ; NSF of China ; NSF of China ; Hefei Science Center CAS ; Hefei Science Center CAS ; Hefei Science Center CAS ; Hefei Science Center CAS ; Postdoctoral Science Foundation ; Postdoctoral Science Foundation ; Postdoctoral Science Foundation ; Postdoctoral Science Foundation
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/42455]  
专题合肥物质科学研究院_中科院强磁场科学中心
通讯作者Wang, Lingfei; Wu, Wenbin
作者单位1.Anhui Univ, Inst Phys Sci & Informat Technol, Hefei 230601, Anhui, Peoples R China
2.Chinese Acad Sci, Anhui Key Lab Condensed Matter Phys Extreme Condi, High Magnet Field Lab, Hefei 230031, Anhui, Peoples R China
3.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
4.Chinese Acad Sci, Hefei Sci Ctr, Hefei 230031, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Lan, Da,Chen, Binbin,Qu, Lili,et al. Interfacial Engineering of Ferromagnetism in Epitaxial Manganite/Ruthenate Superlattices via Interlayer Chemical Doping[J]. ACS APPLIED MATERIALS & INTERFACES,2019,11(10):10399-10408.
APA Lan, Da.,Chen, Binbin.,Qu, Lili.,Jin, Feng.,Guo, Zhuang.,...&Wu, Wenbin.(2019).Interfacial Engineering of Ferromagnetism in Epitaxial Manganite/Ruthenate Superlattices via Interlayer Chemical Doping.ACS APPLIED MATERIALS & INTERFACES,11(10),10399-10408.
MLA Lan, Da,et al."Interfacial Engineering of Ferromagnetism in Epitaxial Manganite/Ruthenate Superlattices via Interlayer Chemical Doping".ACS APPLIED MATERIALS & INTERFACES 11.10(2019):10399-10408.

入库方式： OAI收割

来源：合肥物质科学研究院

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