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Atomic insight into spin, charge and lattice modulations at SrFeO3-x/SrTiO3 interfaces
Xu, Kun1,2; Gu, Youdi3,4; Song, Cheng3; Zhong, Xiaoyan1,5,6; Zhu, Jing1,2
Corresponding AuthorZhong, Xiaoyan(xzhong25@cityu.edu.hk) ; Zhu, Jing(jzhu@mail.tsinghua.edu.cn)
2021-03-28
Source PublicationNANOSCALE
ISSN2040-3364
Volume13Issue:12Pages:11
AbstractNovel phenomena and functionalities at interfaces of oxide heterostructures are currently of great interest in a wide range of applications. At such interfaces, charge, spin, orbital and lattice ordering coexist and correlate closely, contributing to rich functional responses. By using atomically resolved imaging and spectroscopy techniques, we investigated magnetic behaviors and structural modulation at the SrFeO3-x/SrTiO3 interface. Fe/Ti element intermixing and oxygen vacancies occurred across a few unit cells at the interface. Furthermore, antiferromagnetic spin ordering of Fe with different valence states in the interface of SrFeO3-x/SrTiO3 induced uncompensated magnetic moments. Compared to the SrFeO3-x/La0.3Sr0.7Al0.65Ta0.35O3 heterojunction, the variations of charge and lattice order parameters at the SrFeO3-x/SrTiO3 interfaces were also determined by advanced electron microscopy, which provided a good understanding of the physical origin of disparate macroscopic magnetic properties, further investigated by magnetometer measurements and X-ray magnetic circular dichroism (XMCD) spectra. These studies provide comprehensive insight into the interfacial modulation of ferrite oxide, which may be useful for designing future devices in oxide electronics.
DOI10.1039/d0nr07697j
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000635775000013
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/162418
Collection中国科学院金属研究所
Corresponding AuthorZhong, Xiaoyan; Zhu, Jing
Affiliation1.Tsinghua Univ, Natl Ctr Electron Microscopy Beijing, Key Lab Adv Mat MOE, State Key Lab New Ceram & Fine Proc,Sch Mat Sci &, Beijing 100084, Peoples R China
2.Tsinghua Univ, Cent Nano & Micro Mech, Beijing 100084, Peoples R China
3.Tsinghua Univ, Key Lab Adv Mat MOE, Sch Mat Sci & Engn, Beijing 100084, Peoples R China
4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
5.City Univ Hong Kong, Dept Mat Sci & Engn, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China
6.City Univ Hong Kong, Nanomfg Lab NML, Shenzhen Res Inst, Shenzhen 518057, Peoples R China
Recommended Citation
GB/T 7714
Xu, Kun,Gu, Youdi,Song, Cheng,et al. Atomic insight into spin, charge and lattice modulations at SrFeO3-x/SrTiO3 interfaces[J]. NANOSCALE,2021,13(12):11.
APA Xu, Kun,Gu, Youdi,Song, Cheng,Zhong, Xiaoyan,&Zhu, Jing.(2021).Atomic insight into spin, charge and lattice modulations at SrFeO3-x/SrTiO3 interfaces.NANOSCALE,13(12),11.
MLA Xu, Kun,et al."Atomic insight into spin, charge and lattice modulations at SrFeO3-x/SrTiO3 interfaces".NANOSCALE 13.12(2021):11.
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