COMPUTER SIMULATION OF ELECTRONIC DEVICE FOR GENERATION OF ELECTRIC OSCILLATIONS BY NEGATIVE DIFFERENTIAL CONDUCTIVITY OF SUPERCOOLED NANOSTRUCTURED SUPERCONDUCTORS IN ELECTRIC FIELD

1 Mishonov Todor
Co-authors:
1 Danchev Victor 1 Varonov Albert
Institution:
1 Sofia University St. Kliment Ohridski, 5 James Bourchier Blvd., BG-1164 Sofia, Bulgaria, EU, mishonov@bgphysics.eu, spectrefdx@gmail.com, akofmg@gmail.com
Conference:
10th International Conference on Nanomaterials - Research & Application, Hotel Voronez I, Brno, Czech Republic, EU, October 17th - 19th 2018
Proceedings:
Proceedings 10th International Conference on Nanomaterials - Research & Application
Pages:
100-105
ISBN:
978-80-87294-89-5
ISSN:
2694-930X
Published:
28th February 2019
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
8 views / 2 downloads
Abstract

We use the formerly derived explicit analytical expressions for the conductivity of nanostructured superconductors supercooled below the critical temperature in electric field. Computer simulations reveal that the negative differential conductivity region of the current-voltage characteristic leads to excitation of electric oscillations. We simulate a circuit with distributed elements as a first step to obtain megahertz oscillations. This gives a hint that a hybrid device of nanostructured superconductors will work in terahertz frequencies. If the projected setup is successful, we consider the possibility to be put in a nanosatellite (such as a CubeSat). A study of high temperature superconductor layers in space vacuum and radiation would be an important technological task.

Keywords: Thin nanostructured superconductor film, negative differential conductivity, oscillations
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