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Fizika Tverdogo Tela, 2019, Volume 61, Issue 9, Pages 1573–1578
DOI: https://doi.org/10.21883/FTT.2019.09.48091.11N (Mi ftt8689) 		 
This article is cited in 4 scientific papers (total in 4 papers)

XXIII International Symposium ''Nanophysics and Nanoelectronics'', Nizhny Novgorod, March 11--14, 2019
Superconductivity

Phase diagrams of thin disordered films based on HTSC YBa$_{2}$Cu$_{3}$O$_{7-x}$ in external magnetic fields

A. V. Antonova, A. V. Ikonnikovb, D. V. Masterova, A. N. Mikhaylovc, S. V. Morozova, Yu. N. Nozdrina, S. A. Pavlova, A. E. Parafina, D. I. Tetelbaumc, S. S. Ustavshchikovac, P. A. Yuninac, D. A. Savinovac

a Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhnii Novgorod
b Lomonosov Moscow State University
c Lobachevsky State University of Nizhny Novgorod
Full-text PDF (292 kB) Citations (4)
DOI: https://doi.org/10.21883/FTT.2019.09.48091.11N
Abstract: An unusual decrease in the slope of the upper critical field near $T_{c0}$ at a gradual increase in the ion implantation dose has been experimentally observed in narrow bridges formed on the base of thin HTSC YBa$_{2}$Cu$_{3}$O$_{7-x}$ films, while an increase in the defect concentration usually leads to an increase in the local slope of the phase transition line $H_{c 2}(T)$. In addition, it has been found that the temperature dependence of the upper critical field has a positive curvature near $T_{c0}$. A possible theoretical interpretation of the results is proposed. It is based on the modified Ginzburg–Landau theory with a nonuniform length of superconducting correlations.
Keywords: thin HTSC films, resistive measurements in magnetic field, ion implantation, the Ginzburg–Landau theory with a nonuniform coherence length.
Funding agency Grant number
Russian Foundation for Basic Research 18-42-520051
Russian Academy of Sciences - Federal Agency for Scientific Organizations I.1
Ministry of Education and Science of the Russian Federation
This work was supported by the Russian Foundation for Basic research (project no. 18-42-520051), the program of the Presidium of the Russian Academy of Sciences (RAS) I.1 “Fundamental problems of high-temperature superconductivity,” and also the state program of IPM RAS for 2019.
Received: 15.04.2019
Revised: 22.04.2019
Accepted: 24.04.2019
English version:
Physics of the Solid State, 2019, Volume 61, Issue 9, Pages 1523–1528
DOI: https://doi.org/10.1134/S1063783419090026
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. V. Antonov, A. V. Ikonnikov, D. V. Masterov, A. N. Mikhaylov, S. V. Morozov, Yu. N. Nozdrin, S. A. Pavlov, A. E. Parafin, D. I. Tetelbaum, S. S. Ustavshchikov, P. A. Yunin, D. A. Savinov, “Phase diagrams of thin disordered films based on HTSC YBa$_{2}$Cu$_{3}$O$_{7-x}$ in external magnetic fields”, Fizika Tverdogo Tela, 61:9 (2019), 1573–1578; Phys. Solid State, 61:9 (2019), 1523–1528
Citation in format AMSBIB
\Bibitem{AntIkoMas19}
\by A.~V.~Antonov, A.~V.~Ikonnikov, D.~V.~Masterov, A.~N.~Mikhaylov, S.~V.~Morozov, Yu.~N.~Nozdrin, S.~A.~Pavlov, A.~E.~Parafin, D.~I.~Tetelbaum, S.~S.~Ustavshchikov, P.~A.~Yunin, D.~A.~Savinov
\paper Phase diagrams of thin disordered films based on HTSC YBa$_{2}$Cu$_{3}$O$_{7-x}$ in external magnetic fields
\jour Fizika Tverdogo Tela
\yr 2019
\vol 61
\issue 9
\pages 1573--1578
\mathnet{http://mi.mathnet.ru/ftt8689}
\crossref{https://doi.org/10.21883/FTT.2019.09.48091.11N}
\elib{https://elibrary.ru/item.asp?id=41130243}
\transl
\jour Phys. Solid State
\yr 2019
\vol 61
\issue 9
\pages 1523--1528
\crossref{https://doi.org/10.1134/S1063783419090026}
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