Reversible oxygen vacancies doping in (La-0.7,Sr-0.3)MnO3 microbridges by combined self-heating and electromigration
Journal Article
(2015)
Author(s)
Nicola Manca (TU Delft - QN/Mol. Electronics & Devices)
L Pellegrino (External organisation)
Daniele Marré (External organisation)
Research Group
QN/Mol. Electronics & Devices
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Publication Year
2015
Research Group
QN/Mol. Electronics & Devices
Issue number
20
Volume number
106
Pages (from-to)
203502-1-203502-5
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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