Metallic interface in non-SrTiO3 based titanate superlattice
نویسندگان
چکیده
منابع مشابه
Suppression of near-Fermi level electronic states at the interface in a LaNiO3/SrTiO3 superlattice.
Standing-wave-excited photoemission is used to study a SrTiO3/LaNiO3 superlattice. Rocking curves of core-level and valence band spectra are used to derive layer-resolved spectral functions, revealing a suppression of electronic states near the Fermi level in the multilayer as compared to bulk LaNiO3. Further analysis shows that the suppression of these states is not homogeneously distributed o...
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We present a direct comparison between experimental data and ab initio calculations for the electrostrictive effect in the polar LaAlO(3) layer grown on SrTiO(3) substrates. From the structural data, a complete screening of the LaAlO(3) dipole field is observed for film thicknesses between 6 and 20 uc. For thinner films, an expansion of the c axis of 2% matching the theoretical predictions for ...
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Z. Huang,1 X. Renshaw Wang,1,2 Z. Q. Liu,1,2 W. M. Lü,1,3 S. W. Zeng,1,2 A. Annadi,1,2 W. L. Tan,2 X. P. Qiu,3 Y. L. Zhao,1,2 M. Salluzzo,4 J. M. D. Coey,1,5 T. Venkatesan,1,2,3 and Ariando1,2,* 1NUSNNI-NanoCore, National University of Singapore, 117411 Singapore, Singapore 2Department of Physics, National University of Singapore, 117542 Singapore, Singapore 3Department of Electrical and Comput...
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In recent years, complex-oxide heterostructures and their interfaces have become the focus of significant research activity, primarily driven by the discovery of emerging states and functionalities that open up opportunities for the development of new oxide-based nanoelectronic devices. The highly conductive state at the interface between insulators LaAlO3 and SrTiO3 is a prime example of such ...
متن کاملTowards two-dimensional metallic behavior at LaAlO3/SrTiO3 interfaces.
Using a low-temperature conductive-tip atomic force microscope in cross-section geometry we have characterized the local transport properties of the metallic electron gas that forms at the interface between LaAlO3 and SrTiO3. At low temperature, we find that the carriers do not spread away from the interface but are confined within approximately 10 nm, just like at room temperature. Simulations...
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ژورنال
عنوان ژورنال: Applied Physics Letters
سال: 2015
ISSN: 0003-6951,1077-3118
DOI: 10.1063/1.4935550