CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Manipulating magnetoelectric properties by interfacial coupling in La0.3Sr0.7MnO3/Ba0.7Sr0.3TiO3 superlattices
Guo, HZ; Li, QQ; Yang, ZZ; Jin, KJ; Ge, C; Gu, L; He, X; Li, XL; Zhao, RQ; Wan, Q; Wang, JS; He, M; Wang, C; Lu, HB; Yang, YP; Yang, GZ
2017
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume7Issue:-Pages:-
Subtype期刊论文
AbstractArtificial superlattices constructed with ferromagnetic La0.7Sr0.3MnO3 layer and ferroelectric Ba0.7Sr0.3TiO3 layer were designed and fabricated on SrTiO3 substrates. An epitaxial growth with sharp interfaces between La0.7Sr0.3MnO3 and Ba0.7Sr0.3TiO3 layers was confirmed by scanning transmission electron microscopy and x-ray diffraction. An unambiguous charge transfer involving an electron transferring from the La0.7Sr0.3MnO3 layers to Ba0.7Sr0.3TiO3 layers (Mn3+-> Mn4+; Ti4+ -> Ti3+) across the interface were resolved by electron energy loss spectra analysis. These observations are attributed to the possible modification in the stereochemistry of the Ti and Mn ions in the interfacial region. The out-of-plane lattice parameter, Curie temperature, and magnetoresistance are strongly affected by the thicknesses of the La0.7Sr0.3MnO3 and Ba0.7Sr0.3TiO3 layers. Huge magnetoresistance subsisting to low temperature was also observed in the La0.7Sr0.3MnO3/Ba0.7Sr0.3TiO3 superlattices. All spectral changes identified at a nanometer scale and their potential effect on the degradation of magnetic and transport properties at a macroscopic level. These findings highlight the importance of dependence on sublayer thickness, illustrating the high degree of tenability in these artificially low-dimensional oxide materials.
KeywordOxide Interfaces Colossal Magnetoresistance Electronic-structures Metallic Ferromagnet Thin-films Manganites Heterostructures La0.7sr0.3mno3 La1-xsrxmno3 Magnetism
DOI10.1038/s41598-017-08260-y
WOS KeywordOXIDE INTERFACES ; COLOSSAL MAGNETORESISTANCE ; ELECTRONIC-STRUCTURES ; METALLIC FERROMAGNET ; THIN-FILMS ; MANGANITES ; HETEROSTRUCTURES ; LA0.7SR0.3MNO3 ; LA1-XSRXMNO3 ; MAGNETISM
Indexed BySCI
Language英语
WOS IDWOS:000407294200050
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28725
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Guo, HZ,Li, QQ,Yang, ZZ,et al. Manipulating magnetoelectric properties by interfacial coupling in La0.3Sr0.7MnO3/Ba0.7Sr0.3TiO3 superlattices[J]. SCIENTIFIC REPORTS,2017,7(-):-.
APA Guo, HZ.,Li, QQ.,Yang, ZZ.,Jin, KJ.,Ge, C.,...&Yang, GZ.(2017).Manipulating magnetoelectric properties by interfacial coupling in La0.3Sr0.7MnO3/Ba0.7Sr0.3TiO3 superlattices.SCIENTIFIC REPORTS,7(-),-.
MLA Guo, HZ,et al."Manipulating magnetoelectric properties by interfacial coupling in La0.3Sr0.7MnO3/Ba0.7Sr0.3TiO3 superlattices".SCIENTIFIC REPORTS 7.-(2017):-.
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