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Tranchant, J., Janod, E., Cario, L., Corraze, B., Souchier, E., Leclercq, J. .-L., Cremillieu, P., Moreau, P. & Besland, M. .-P. (2013) Electrical characterizations of resistive random access memory devices based on GaV4S8 thin layers. Thin Solid Films, 533 61–65. 
Added by: Laurent Cournède (2016-03-10 21:23:31)
Type de référence: Article
DOI: 10.1016/j.tsf.2012.10.104
Numéro d'identification (ISBN etc.): 0040-6090
Clé BibTeX: Tranchant2013
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Catégories: ST2E
Créateurs: Besland, Cario, Corraze, Cremillieu, Janod, Leclercq, Moreau, Souchier, Tranchant
Collection: Thin Solid Films
Consultations : 9/356
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
The Mott insulator compound GaV4S8 exhibits resistive switching (RS) properties under electric pulses which could be used in the domain of data storage for future replacement of Flash technology. In this work, we present the characterization and the resistive switching performances of three devices containing GaV4S8 thin films with various electrode sizes and geometries, i.e. planar interdigit electrodes and Metal/Insulator/Metal Au/GaV4S8/Au structures. First, we evidence the good quality of the interfaces between GaV4S8 layers and gold electrodes through transmission electron microscopy observations which allows reliable electrical characterizations. Then, we demonstrate a downscaling effect as the resistive switching amplitude Delta R/R= (R-high-R-low)/R-low increases from a few percents to more than 600\% as the electrode size decreases from 50x50 mu m(2) to 2x2 mu m(2). Finally we show that other performances such as cycling endurance, reaching more than 65,000 RS cycles, data retention time till 10 years or writing speed below 100 ns confirm the high potential of GaV4S8 as active material in future resistive random access memories or Mott memories. (C) 2012 Elsevier B.V. All rights reserved.
Added by: Laurent Cournède  
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