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Amorphous nitride and fluoride film-induced two-dimensional electron gas at SrTiO3-based heterojunction interfaces

文献类型：期刊论文

作者Li, Chengjian2; Zhao, Meng2; Huang, Zhen2; Xu, Liqiang2; Wu, Wenbin1,3
刊名APPLIED PHYSICS LETTERS
出版日期2020-11-02
卷号117
ISSN号0003-6951
DOI10.1063/5.0023632
通讯作者Li, Chengjian(lcj@ahu.edu.cn) ; Wu, Wenbin(wuwb@ustc.edu.cn)
英文摘要Two-dimensional electron gas (2DEG) at oxide interfaces is of great interest in solid state research. Here, 2DEG was shown to form at amorphous-BN/SrTiO3 and amorphous-LaF3/SrTiO3 interfaces and have similar properties to 2DEG at traditional oxide interfaces. Because of film chemical properties, the growth atmosphere and air clearly influenced 2DEG at these interfaces. With x-ray photoelectron spectroscopic measurements, anion diffusion between the film and the substrate existed, but they appeared not to be the reason for 2DEG formation. Furthermore, these findings suggested that amorphous film-induced interfacial conductivity might be a common phenomenon that should be considered in the study of heterojunctions.
WOS关键词THIN-FILMS ; LAF3 ; CONVERSION ; TIF4
资助项目NSF of China[11974326] ; NSF of China[12074001]
WOS研究方向Physics
语种英语
WOS记录号WOS:000591310200001
出版者AMER INST PHYSICS
资助机构NSF of China
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/105287]  
专题中国科学院合肥物质科学研究院
通讯作者Li, Chengjian; Wu, Wenbin
作者单位1.Chinese Acad Sci, High Field Magnet Lab, Anhui Key Lab Condensed Matter Phys Extreme Condi, Hefei 230031, Peoples R China
2.Anhui Univ, Inst Phys Sci & Informat Technol, Minist Educ, Key Lab Struct & Funct Regulat Hybrid Mat, Hefei 230601, Peoples R China
3.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China
推荐引用方式
GB/T 7714		 Li, Chengjian,Zhao, Meng,Huang, Zhen,et al. Amorphous nitride and fluoride film-induced two-dimensional electron gas at SrTiO3-based heterojunction interfaces[J]. APPLIED PHYSICS LETTERS,2020,117.
APA Li, Chengjian,Zhao, Meng,Huang, Zhen,Xu, Liqiang,&Wu, Wenbin.(2020).Amorphous nitride and fluoride film-induced two-dimensional electron gas at SrTiO3-based heterojunction interfaces.APPLIED PHYSICS LETTERS,117.
MLA Li, Chengjian,et al."Amorphous nitride and fluoride film-induced two-dimensional electron gas at SrTiO3-based heterojunction interfaces".APPLIED PHYSICS LETTERS 117(2020).

入库方式： OAI收割

来源：合肥物质科学研究院

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