NANOSYSTEM ATOMIC STRUCTURE STABILITY DURING THE MOLECULAR SWITCHING
( Pp. 15-22)

More about authors
Popov Alexander M. doktor fiziko-matematicheskih nauk, professor; fakultet vychislitelnoy matematiki i kibernetiki
Lomonosov Moscow State University Shumkin Georgy N. Cand. Sci. (Hist.), Senior Researcher
Institute of History and Archaeology, Ural Вranch of the RAS
Ekaterinburg, Russian Federation
Abstract:
In the article the mathematical model of the phase transition from high-resistance amorphous state to low-resistance crystalline state is developed. The study is made, employing quantum molecular dynamics. The semiconductor structure is analyzed and changes of conductivity and heat capacity during the phase transition are estimated. Found process is simulated by the model of a continuous medium with Joule heating source. Stability of the nonlinear heat conduction problem solutions is studied, when the current-voltage characteristics are in the region of negative differential conductivity. The phase-change memory performance, associated with the molecular system instability, is discussed.
How to Cite:
Popov A.M., Shumkin G.N., (2017), NANOSYSTEM ATOMIC STRUCTURE STABILITY DURING THE MOLECULAR SWITCHING. Computational Nanotechnology, 1 => 15-22.
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Keywords:
phase transition, the memory on the phase transitions, quantum molecular dynamics, nonlinear heat conduction problem.


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