Condensation of two-dimensional oxide-interfacial charges into one-dimensional electron chains by the misfit-dislocation strain field

Nature Communications

Volumn 5, Issue , 2014, Pages

  Chang, C P ^a   Chu, M W ^a,b   Jeng, H T ^c,d   Cheng, S L ^a   Lin, J G ^a   Yang, J R ^a   Chen, C H ^a  

^a NATIONAL TAIWAN UNIVERSITY   (Taiwan)

^b MINISTRY OF SCIENCE AND TECHNOLOGY   (Taiwan)

^c NATIONAL TSING HUA UNIVERSITY   (Taiwan)

^d INSTITUTE OF PHYSICS   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

OXIDE; OXYGEN;

ELECTRON; INTERFACE; ONE-DIMENSIONAL MODELING; OXIDE; SCANNING ELECTRON MICROSCOPY; SUPERCONDUCTIVITY; TRANSMISSION ELECTRON MICROSCOPY; TWO-DIMENSIONAL MODELING;

ARTICLE; ELECTRON; ELECTRON ENERGY LOSS SPECTROSCOPY; ENERGY COST; SCANNING TRANSMISSION ELECTRON MICROSCOPY; STOICHIOMETRY; SURFACE CHARGE;

EID: 84924051884     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms4522     Document Type: Article

References (42)

1. Pantelides, S. T. The role of extended defects in device degradation. Phys. Status Solidi A 210, 175-180 (2013).
2. Narayan, J. Recent progress in thin film epitaxy across the misfit scale. Acta Mater. 61, 2703-2724 (2013).
3. Chu, M.-W. et al. Impact of misfit dislocations on the polarization instability of epitaxial nanostructured ferroelectric perovskites. Nat. Mater. 3, 87-90 (2004).
4. Matthews, J. W. & Blakeslee, A. E. Defects in epitaxial multilayers: I. Misfit dislocations. J. Cryst. Growth 27, 118-125 (1974).
5. Pennycook, S. J. et al. Misfit accommodation in oxide thin film heterostructures. Acta Mater. 61, 2725-2733 (2013).
6. 3 (001) interface by epitaxial strain. Proc. Natl Acad. Sci. USA 108, 4702-4724 (2011).
7. Jang, H. W. et al. Metallic and insulating oxide interfaces controlled by electronic correlations. Science 331, 886-889 (2011).
8. Jia, C. L. et al. Effect of a single dislocation in a heterostructure layer on the local polarization of a ferroelectric layer. Phys. Rev. Lett. 102, 117601 (2009).
9. Arredondo, M. et al. Direct evidence for cation non-stoichiometry and Cottrell atmospheres around dislocation cores in functional oxide interfaces. Adv. Mater. 22, 2430-2434 (2010).
10. 3 revealed by unit-cell-wise strain and polarization maps. Nano Lett. 13, 1410-1415 (2013).
11. Mannhart, J. & Schlom, D. G. Oxide interfaces-an opportunity for electronics. Science 327, 1607-1611 (2010).
12. Hwang, H. Y. et al. Emergent phenomena at oxide interfaces. Nat. Mater. 11, 103-113 (2012).
13. 3 interfaces. Phys. Rev. Lett. 102, 046809 (2009).
14. Chang, C. P. et al. Atomic-scale observation of a graded polar discontinuity and a localized two-dimensional electron density at an insulating oxide interface. Phys. Rev. B 87, 075129 (2013).
15. Chu, M.-W. & Chen, C. H. Chemical mapping and quantification at the atomic scale by scanning transmission electron microscopy. ACS Nano 7, 4700-4707 (2013).
16. Arslan, I., Bleloch, A., Stach, E. A. & Browning, N. D. Atomic and electronic structure of mixed and partial dislocations in GaN. Phys. Rev. Lett. 94, 025504 (2005).
17. Buban, J. P. et al. Gain boundary strengthening in alumina by rare earth impurities. Science 311, 212-215 (2006).
18. 3 thin film by STEM-EELS. J. Microsc. 236, 128-131 (2009).
19. 3. Ultramicroscopy 106, 1053-1061 (2006).
20. Batson, P. E., Kavanagh, K. L., Woodall, J. M. & Mayer, J. W. Electron-energyloss scattering near a single misfit dislocation at the GaAs/GaInAs interface. Phys. Rev. Lett. 57, 2729-2732 (1986).
21. (1-x). Phys. Rev. Lett. 83, 4409-4412 (1999).
22. 3. Phys. Rev. Lett. 86, 4056-4059 (2001).
23. Klie, R. F., Beleggia, M., Zhu, Y., Buban, J. P. & Browning, N. D. Atomic-scale model of the grain boundary potential in perovskite oxides. Phys. Rev. B 68, 214101 (2003).
24. 3. Phys. Rev. B 66, 094108 (2002).
25. c superconductors. Nature 435, 475-478 (2005).
26. Shannon, R. D. Revised effective ionic radii and systematic studies of interatomic distances in halides and chalcogenides. Acta Cryst. A32, 751-767 (1976).
27. Chakhalian, J. et al. Orbital reconstruction and covalent bonding at an oxide interface. Science 318, 1114-1117 (2007).
28. McKenna, K. P. & Shluger, A. L. Electron-trapping polycrystalline materials with negative electron affinity. Nat. Mater. 7, 859-862 (2008).
29. 3 grain boundary. Appl. Phys. Lett. 87, 241920 (2005).
30. 3. Nature 430, 657-661 (2004).
31. 3 interface. Nat. Commun. 2, 188 (2011).
32. 3 interfaces. Nat. Phys. 7, 762-766 (2011).
33. 3 interface. Nat. Phys. 7, 767-771 (2011).
34. Dikin, D. A. et al. Coexistence of superconductivity and ferromagnetism in two dimensions. Phys. Rev. Lett. 107, 056802 (2011).
35. 3 interface. Nat. Commun. 3, 955 (2012).
36. Biscaras, J. et al. Multiple quantum criticality in a two-dimensional superconductor. Nat. Mater. 12, 542-548 (2013).
37. Caprara, S. et al. Multiband superconductivity and nanoscale inhomogeneity at oxide interfaces. Phys. Rev. B 88, 020504(R) (2013).
38. Brinkman, A. Streaks of conduction. Nat. Mater. 12, 1085-1086 (2013).
39. 3 heterointerfaces. Nat. Mater. 12, 1091-1095 (2013).
40. 3. Nat. Mater. 12, 1112-1118 (2013).
41. 3 interface. Phys. Rev. Lett. 108, 166802 (2012).
42. 3 (001) Schottky junctions. Phys. Rev. B 79, 073101 (2009).