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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Freitas, Pp
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Publications (7/7 displayed)
- 2017Bipolar resistive switching in Si/Ag nanostructurescitations
- 2017Unipolar Nonvolatile Resistive Switching in Pt/MgO/Ta/Ru Structures Deposited by Magnetron Sputteringcitations
- 2016Femtosecond control of electric currents in metallic ferromagnetic heterostructurescitations
- 2011Resonant Tunneling through Electronic Trapping States in Thin MgO Magnetic Junctionscitations
- 2009The effect of pinhole formation/growth on the tunnel magnetoresistance of MgO-based magnetic tunnel junctionscitations
- 2009Electroforming, magnetic and resistive switching in MgO-based tunnel junctionscitations
- 2004Peculiar magnetic and electrical properties near structural percolation in metal-insulator granular layerscitations
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article
Bipolar resistive switching in Si/Ag nanostructures
Abstract
Resistive switching devices are being intensively studied aiming a large number of promising applications such as nonvolatile memories, artificial neural networks and sensors. Here, we show nanoscale bipolar resistive switching in Pt/Si/Ag/TiW structures, with a dielectric barrier thickness of 20 nm. The observed phenomenon is based on the formation/rupture of metallic Ag filaments in the otherwise insulating Si host material. No electroforming process was required to achieve resistive switching. We obtained average values of 0.23 V and -0.24 V for the Set and Reset voltages, respectively. The stability of the switching was observed for over 100 cycles, together with a clear separation of the ON (10(3) Omega) and OFF (10(2) Omega) states. Furthermore, the influence of the Set current compliance on the ON resistance, resistances ratio and Set/Reset voltages percentage variation was also studied.