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News and Views
Nature Materials 7, 270 - 271 (2008)
doi:10.1038/nmat2145
Perovskite oxides: An atomic force pencil and eraser
Guus Rijnders1 & Dave H. A. Blank1
- MESA+ Institute for Nanotechnology, University of Twente, 7500 AE Enschede, The Netherlands.
e-mail: a.j.h.m.rijnders@utwente.nl
e-mail: d.h.a.blank@utwente.nl
Abstract
A method of writing and erasing conducting nanostructures at the interface between the wide-bandgap insulators LaAlO3 and SrTiO3 is presented. New developments for ultrahigh-density information storage look feasible.
Perovskite oxides exhibit an exceptional range of properties, including high-temperature superconductivity, colossal magnetoresistance and ferroelectricity. Recently, the remarkable properties of the interfaces between layers of different perovskite oxides have expanded the interest of researchers in this class of materials.
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