Writing Nanowires with Large Conductivity Ratios in LaAlO3/SrTiO3 Interfaces

Stephanos, C.; Breitschaft, M.; Jany, R.; Kiessig, B.; Paetel, S.; Richter, C.; Mannhart, J.

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Writing Nanowires with Large Conductivity Ratios in LaAlO₃/SrTiO₃ Interfaces

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Mannhart, J.
Department Solid State Quantum Electronics (Jochen Mannhart), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Stephanos, C., Breitschaft, M., Jany, R., Kiessig, B., Paetel, S., Richter, C., et al. (2012). Writing Nanowires with Large Conductivity Ratios in LaAlO₃/SrTiO₃ Interfaces. Journal of the Physical Society of Japan, 81(6): 064703.

Cite as: https://hdl.handle.net/21.11116/0000-000E-C335-A

Abstract

Using a charged AFM tip allows nanometer-wide conducting lines to be written into otherwise insulating LaAlO3/SrTiO3 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(7), which far exceeds previously reported values. The lines are found to have lifetimes of several days.