Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

THz Properties of Long YBaCuO Bicrystal Josephson Junction Studied with a Cold-Electron Bolometer

Andrey Pankratov
* ORCID logo ,
Leonid Revin
,
Anna Gordeeva
,
Dmytry Masterov
,
Alexey Parafin
,
Viktor Zbrozhek
,
Leonid Kuzmin
Version 1 : Received: 4 October 2020 / Approved: 6 October 2020 / Online: 6 October 2020 (08:19:05 CEST)

A peer-reviewed article of this Preprint also exists.

Revin, L.; Pankratov, A.; Gordeeva, A.; Masterov, D.; Parafin, A.; Zbrozhek, V.; Kuzmin, L. Response of a Cold-Electron Bolometer on THz Radiation from a Long YBa2Cu3O7-δ Bicrystal Josephson Junction. Appl. Sci. 2020, 10, 7667. Revin, L.; Pankratov, A.; Gordeeva, A.; Masterov, D.; Parafin, A.; Zbrozhek, V.; Kuzmin, L. Response of a Cold-Electron Bolometer on THz Radiation from a Long YBa2Cu3O7-δ Bicrystal Josephson Junction. Appl. Sci. 2020, 10, 7667.

Abstract

The response of the Cold-Electron Bolometers (CEBs), integrated into a 2-D array of dipole antennas, has been measured by irradiation from YBa$_2$Cu$_3$O$_{7-\delta}$ (YBCO) 50 $\mu$m long Josephson junction into the THz region at frequencies from 0.1 to 0.8 THz. The possibility of controlling the amplitude-frequency characteristic is demonstrated by the external magnetic field in the traveling wave regime of a long Josephson junction. YBCO junction has been formed on the bicrystal Zr$_{1-x}$Y$_x$O$_2$ (YSZ) substrate by magnetron sputtering and etching of the film. CEBs have been fabricated using an Al multilayer structure by a self-aligned shadow evaporation technique on Si substrate. Both receiver and oscillator have been located inside the same cryostat at 0.3K and 2.7K plates, respectively.

Keywords

anisotropic high-$T_c$ grain-boundary; YBCO Josephson oscillator; cold-electron bolometer; sine-Gordon equation

Subject

Physical Sciences, Condensed Matter Physics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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