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Interfacial defects in YBa2Cu3O7-/SrTiO3(001) heterostructures studied by aberration-corrected ultrahigh-resolution electron microscopy
S. B. Mi
2013
Source PublicationPhilosophical Magazine Letters
ISSN0950-0839
Volume93Issue:5Pages:264-272
AbstractThe microstructure of interfacial defects in YBa2Cu3O7-/SrTiO3(001) heterostructures has been investigated by aberration-corrected ultrahigh-resolution electron microscopy. We determine that c-axis-oriented YBa2Cu3O7- thin films epitaxially grow on SrTiO3(001) with two types of interface structure. The coalescence of nucleation sites with different types of interface structure leads to the formation of antiphase domain boundaries in YBa2Cu3O7- thin films, which terminate at planar faults with different configurations near the interface. Stand-off misfit dislocations are observed and the dislocation core structure is explored. Based on the interface structure and interfacial defects, the initial growth mode of YBa2Cu3O7- thin films on SrTiO3(001) is discussed.
description.department[mi, shao-bo] res ctr juelich, inst solid state res, d-52425 julich, germany. [mi, shao-bo] res ctr juelich, ernst ruska ctr microscopy & spect electrons er c, d-52425 julich, germany. [mi, shao-bo] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; mi, sb (reprint author), res ctr juelich, inst solid state res, d-52425 julich, germany. ; sbmi@imr.ac.cn
KeywordThin Films Atomic-resolution Electron Microscopy Interfacial Structure Cuprate Superconductors Defect Structures Ybco Thin-films Srtio3 Substrate Atomic-structure Yba2cu3o7-delta Growth Superconductors
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71409
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
S. B. Mi. Interfacial defects in YBa2Cu3O7-/SrTiO3(001) heterostructures studied by aberration-corrected ultrahigh-resolution electron microscopy[J]. Philosophical Magazine Letters,2013,93(5):264-272.
APA S. B. Mi.(2013).Interfacial defects in YBa2Cu3O7-/SrTiO3(001) heterostructures studied by aberration-corrected ultrahigh-resolution electron microscopy.Philosophical Magazine Letters,93(5),264-272.
MLA S. B. Mi."Interfacial defects in YBa2Cu3O7-/SrTiO3(001) heterostructures studied by aberration-corrected ultrahigh-resolution electron microscopy".Philosophical Magazine Letters 93.5(2013):264-272.
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