Switching Channel Development Dynamics in Planar Structures on the Basis of Vanadium Dioxide |
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| Authors: | M A Belyaev P P Boriskov A A Velichko A L Pergament V V Putrolainen D V Ryabokon’ G B Stefanovich V I Sysun S D Khanin |
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| Institution: | 1.Petrozavodsk State University,Petrozavodsk,Russia;2.Marshal of the Soviet Union Budennyi Military Academy of Communications,St. Petersburg,Russia;3.Gertsen Russian State Pedagogical University,St. Petersburg,Russia |
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| Abstract: | The results of the experimental studies and numerical simulation of the switching channel development dynamics in planar structures on the basis of vanadium dioxide are reported. The obtained data on the variation of the temperature in the channel with time and of the current arisen after the pulsed load, and on the times of transition from the high-resistance to the low-resistance state and back are analyzed in order to determine the switching mechanism and to predict the functional characteristics of the switchable vanadium- oxide structures as promising materials for the creation of relaxation generators that can serve as prototypes of neural oscillators. It is shown that the switching behavior is associated with the metal–semiconductor phase transition in vanadium dioxide, which is stimulated by the emission of Joule heat. |
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