Geodesic
Preparation of Au/TiO$_2$/Ti memristive elements via anodic oxidation
Nanosistemy: fizika, himiâ, matematika, Tome 8 (2017) no. 6, pp. 823-829

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In the present paper we report utilization of porous and barrier type of titania films formed by anodic oxidation as an active layer of the memristive element in the Au-TiO$_2$-Ti structure. The comparison of semiconductor properties of porous and barrier type of anodic titania was performed via the Mott–Schottky technique. The obtained memristive elements show the bipolar type of switching governed by Schottky barrier screening. For barrier type film the switching potential is equal to -1.5 V and the ratio of resistance in OFF and ON stage (R$_{off}$/R$_{on}$) is equal to 34. For porous type films, the switching potential is equal to -0.6 V and R$_{off}$/R$_{on}$=131. Moreover, we observed the dependence of R$_{off}$/R$_{on}$ on the voltage sweeping rate, which can be explained by the limitation in diffusion of oxygen vacancies through the oxide layer.
Keywords: memristor, anodic oxidation, memristive element, oxygen vacancies diffusion.
Mots-clés : anodic titania, Schottky barrier 
@article{NANO_2017_8_6_a16,
     author = {P. A. Morozova and D. I. Petukhov},
     title = {Preparation of {Au/TiO}$_2${/Ti} memristive elements via anodic oxidation},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {823--829},
     publisher = {mathdoc},
     volume = {8},
     number = {6},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2017_8_6_a16/}
}
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P. A. Morozova; D. I. Petukhov. Preparation of Au/TiO$_2$/Ti memristive elements via anodic oxidation. Nanosistemy: fizika, himiâ, matematika, Tome 8 (2017) no. 6, pp. 823-829. http://geodesic.mathdoc.fr/item/NANO_2017_8_6_a16/