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Resonant soft x-ray scattering studies of interface reconstructions in SrTiO / LaAlO superlattices

Journal of Applied Physics, ISSN: 0021-8979, Vol: 106, Issue: 8
2009
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Article Description

We present resonant soft x-ray scattering studies of Ti 3d and O 2p states at the interfaces of SrTiO / LaAlO superlattices. From reflectivity analyses, focusing on the (003) peak which is forbidden for our "ideal" superlattice structure, we concluded that the LaO∫ TiO /SrO and the SrO∫ AlO /LaO interfaces have distinct reconstructions, breaking the heterostructure symmetry. © 2009 American Institute of Physics.

Bibliographic Details

H. Wadati; D. G. Hawthorn; J. Geck; T. Higuchi; Y. Hikita; H. Y. Hwang; L. Fitting Kourkoutis; D. A. Muller; S.-W. Huang; D. J. Huang; H.-J. Lin; C. Schüßler-Langeheine; H.-H. Wu; E. Schierle; E. Weschke; N. J. C. Ingle; G. A. Sawatzky

AIP Publishing

Physics and Astronomy

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