Writing Nanowires with Large Conductivity Ratios in LaAlO sub( 3)/SrTiO sub( 3) Interfaces

Using a charged AFM tip allows nanometer-wide conducting lines to be written into otherwise insulating LaAlO 3 /SrTiO 3 interfaces. Based on studies and modifications of this process, this report describes the writing and erasing of such nanowires with conductivity changes by factors of more than 10...

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Bibliographic Details
Published in:Journal of the Physical Society of Japan 2012-06, Vol.81 (6), p.1-1
Main Authors: Stephanos, Cyril, Breitschaft, Martin, Jany, Rainer, Kiessig, Birgit, Paetel, Stefan, Richter, Christoph, Mannhart, Jochen
Format: Article
Language:English
Subjects:
Atomic force microscopy
Charging
Conduction
Nanostructure
Nanowires
Online Access:Get full text
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Summary:Using a charged AFM tip allows nanometer-wide conducting lines to be written into otherwise insulating LaAlO 3 /SrTiO 3 interfaces. Based on studies and modifications of this process, this report describes the writing and erasing of such nanowires with conductivity changes by factors of more than 10 super( 7) , which far exceeds previously reported values. The lines are found to have lifetimes of several days.
ISSN:0031-9015
1347-4073