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Fizika Tverdogo Tela, 2021, Volume 63, Issue 9, Pages 1209–1217
DOI: https://doi.org/10.21883/FTT.2021.09.51240.09H
(Mi ftt8017)
 

This article is cited in 1 scientific paper (total in 1 paper)

XXV International Symposium Nanophysics and Nanoelectronics, Nizhny Novgorod, March 9-12, 2021
Superconductivity

Transport and morphological characteristics of thin YBa$_{2}$Cu$_{3}$O$_{7-x}$ films obtained by pulsed laser deposition with velocity filtration of the laser erosion plume

A. I. Il’ina, A. A. Ivanovb

a Institute of Microelectronics Technology and High-Purity Materials RAS, Chernogolovka, Russia
b National Engineering Physics Institute "MEPhI", Moscow, Russia
Abstract: The regimes of pulsed laser deposition with high-speed filtration of an erosion torch with a frequency of 4–33 Hz at different deposition times on SrTiO$_3$(100) substrates at 730–750$^\circ$C and the velocity of filtered particles were used to change the characteristics of the $R(T)$ dependence of YBa$_{2}$Cu$_{3}$O$_{7-x}$ films with a thickness of 150–200 nm. The deposition at the filtration rates of the laser torch $\sim$ 30 Hz formed a nonequilibrium structure with a resistance at room temperature 7 times higher than in the films obtained without filtration, which suggested the absence of easy transport paths for holes in the ab plane. The width of the superconducting transition $\Delta T$ was 2.5–2.9 K, and $T(R=0)$ = 85.8 K, oxygen index $y$ = 6.85, which corresponded to the characteristics of good films of this thickness. Surface studies in SEM allowed us to detect the rearrangement of the crystal structure during deposition and discuss its effect on the transport characteristics of the films.
Keywords: pulsed laser deposition, surface relief, transport characteristics of films, film evolution, SrTiO$_3$.
Funding agency Grant number
Ministry of Education and Science of the Russian Federation 075-00355-21-00
This study was performed according to State assignment no. 075-00355-21-00.
Received: 09.04.2021
Revised: 09.04.2021
Accepted: 19.04.2021
English version:
Physics of the Solid State, 2021, Volume 63, Issue 9, Pages 1378–1386
DOI: https://doi.org/10.1134/S1063783421090122
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. I. Il’in, A. A. Ivanov, “Transport and morphological characteristics of thin YBa$_{2}$Cu$_{3}$O$_{7-x}$ films obtained by pulsed laser deposition with velocity filtration of the laser erosion plume”, Fizika Tverdogo Tela, 63:9 (2021), 1209–1217; Phys. Solid State, 63:9 (2021), 1378–1386
Citation in format AMSBIB
\Bibitem{Il’Iva21}
\by A.~I.~Il’in, A.~A.~Ivanov
\paper Transport and morphological characteristics of thin YBa$_{2}$Cu$_{3}$O$_{7-x}$ films obtained by pulsed laser deposition with velocity filtration of the laser erosion plume
\jour Fizika Tverdogo Tela
\yr 2021
\vol 63
\issue 9
\pages 1209--1217
\mathnet{http://mi.mathnet.ru/ftt8017}
\crossref{https://doi.org/10.21883/FTT.2021.09.51240.09H}
\elib{https://elibrary.ru/item.asp?id=46690878}
\transl
\jour Phys. Solid State
\yr 2021
\vol 63
\issue 9
\pages 1378--1386
\crossref{https://doi.org/10.1134/S1063783421090122}
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  • https://www.mathnet.ru/eng/ftt/v63/i9/p1209
  • This publication is cited in the following 1 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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