Reversible oxygen vacancies doping in (La-0.7,Sr-0.3)MnO3 microbridges by combined self-heating and electromigration

Journal article (2015)

Authors

N. Manca QN/Mol. Electronics & Devices
L Pellegrino External organisation
Daniele Marré External organisation
Research Group
QN/Mol. Electronics & Devices
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Published Date

2015

Language

Undefined/Unknown

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Research Group

QN/Mol. Electronics & Devices

Abstract

Combination of electric fields and Joule self-heating is used to change the oxygen stoichiometry and promote oxygen vacancy drift in a freestanding (La,Sr)MnO3 thin film microbridge placed in controlled atmosphere. By controlling the local oxygen vacancies concentration, we can reversibly switch our (La,Sr)MnO3-based microbridges from metallic to insulating behavior on timescales lower than 1 s and with small applied voltages (

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