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Resistive switching in manganite/graphene hybrid planar nanostructures



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Rocci, Mirko and Tornos Castillo, Javier and Rivera Calzada, Alberto Carlos and Sefrioui, Zouhair and Clement, Marta and Iborra, Enrique and León Yebra, Carlos and Santamaría Sánchez-Barriga, Jacobo (2014) Resistive switching in manganite/graphene hybrid planar nanostructures. Applied physics letters, 104 (10). ISSN 0003-6951

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Official URL: http://dx.doi.org/10.1063/1.4868426


We report on the fabrication and magnetotransport characterization of hybrid graphene-based nanodevices with epitaxial nanopatterned La_(0.7)Sr_(0.3)MnO_(3) manganite electrodes grown on SrTiO_(3)(100). The few-layer graphene was deposited onto the predefined manganite nanowires by using a mechanical transfer technique. These nanodevices exhibit resistive switching and hysteretic transport as measured by current-voltage curves. The resistance can be reversibly switched between high and low states, yielding a consistent non-volatile memory response. The effect is discussed in terms of changes in the concentration of oxygen vacancies at the space charge region of the Schottky barriers building at the contacts.

Item Type:Article
Additional Information:

© 2014 AIP Publishing LLC. We acknowledge financial support by Spanish MICINN through Grants MAT2011-27470-C02 and Consolider Ingenio 2010-CSD2009-00013 (Imagine), by CAM through grant S2009/MAT-1756 (Phama). We thank Patrizia De Marco, Francesco Perrozzi, and Luca Ottaviano for their help and guidance in preparing the graphene samples. We thank Susana Álvarez and Alicia de Andrés for help with preliminary Raman spectroscopy experiments

Uncontrolled Keywords:Spin transport; Graphene; Single.
Subjects:Sciences > Physics > Electricity
Sciences > Physics > Electronics
ID Code:31336
Deposited On:27 Jul 2015 07:33
Last Modified:10 Dec 2018 14:58

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