Aging of electron-written YBCO superconducting thin film structures

M. Talacko; Chromik; M. Španková; V. Štrbík; N. Gál; M. Mičušík; C. Camerlingo; G. Jung

doi:10.1007/s10854-021-07243-0

Aging of electron-written YBCO superconducting thin film structures

M. Talacko, Chromik, M. Španková, V. Štrbík, N. Gál, M. Mičušík, C. Camerlingo, G. Jung

Department of Physics

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1 Scopus citations

Abstract

The aging of Y₁Ba₂Cu₃O_7-δ thin film structures after low energy 30 keV electron irradiation has been investigated. The irradiation was aimed at creating artificial channels with suppressed superconductivity that would enforce the coherent flow of vortices. Through transport measurements, the irradiated regions were found to degrade gradually with the time of aging contrary to non-irradiated parts with good time stability of superconducting properties. Raman spectroscopy and atomic force microscopy investigations have revealed the presence of a relatively thick carbon contamination layer on the top of YBCO films originating from electron irradiation. X-ray photoelectron spectroscopy analysis supported by the evolution of Raman spectra suggests that carbon penetrating YBCO structures may be responsible for chemical interaction with the YBCO species to form C-O bonds, following the time evolution of the Raman spectra.

Original language	English
Pages (from-to)	28687-28694
Number of pages	8
Journal	Journal of Materials Science: Materials in Electronics
Volume	32
Issue number	24
DOIs	https://doi.org/10.1007/s10854-021-07243-0
State	Published - 1 Dec 2021

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1007/s10854-021-07243-0

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title = "Aging of electron-written YBCO superconducting thin film structures",

abstract = "The aging of Y1Ba2Cu3O7-δ thin film structures after low energy 30 keV electron irradiation has been investigated. The irradiation was aimed at creating artificial channels with suppressed superconductivity that would enforce the coherent flow of vortices. Through transport measurements, the irradiated regions were found to degrade gradually with the time of aging contrary to non-irradiated parts with good time stability of superconducting properties. Raman spectroscopy and atomic force microscopy investigations have revealed the presence of a relatively thick carbon contamination layer on the top of YBCO films originating from electron irradiation. X-ray photoelectron spectroscopy analysis supported by the evolution of Raman spectra suggests that carbon penetrating YBCO structures may be responsible for chemical interaction with the YBCO species to form C-O bonds, following the time evolution of the Raman spectra.",

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AU - Talacko, M.

AU - Chromik,

AU - Španková, M.

AU - Štrbík, V.

AU - Gál, N.

AU - Mičušík, M.

AU - Camerlingo, C.

AU - Jung, G.

PY - 2021/12/1

Y1 - 2021/12/1

N2 - The aging of Y1Ba2Cu3O7-δ thin film structures after low energy 30 keV electron irradiation has been investigated. The irradiation was aimed at creating artificial channels with suppressed superconductivity that would enforce the coherent flow of vortices. Through transport measurements, the irradiated regions were found to degrade gradually with the time of aging contrary to non-irradiated parts with good time stability of superconducting properties. Raman spectroscopy and atomic force microscopy investigations have revealed the presence of a relatively thick carbon contamination layer on the top of YBCO films originating from electron irradiation. X-ray photoelectron spectroscopy analysis supported by the evolution of Raman spectra suggests that carbon penetrating YBCO structures may be responsible for chemical interaction with the YBCO species to form C-O bonds, following the time evolution of the Raman spectra.

AB - The aging of Y1Ba2Cu3O7-δ thin film structures after low energy 30 keV electron irradiation has been investigated. The irradiation was aimed at creating artificial channels with suppressed superconductivity that would enforce the coherent flow of vortices. Through transport measurements, the irradiated regions were found to degrade gradually with the time of aging contrary to non-irradiated parts with good time stability of superconducting properties. Raman spectroscopy and atomic force microscopy investigations have revealed the presence of a relatively thick carbon contamination layer on the top of YBCO films originating from electron irradiation. X-ray photoelectron spectroscopy analysis supported by the evolution of Raman spectra suggests that carbon penetrating YBCO structures may be responsible for chemical interaction with the YBCO species to form C-O bonds, following the time evolution of the Raman spectra.

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Aging of electron-written YBCO superconducting thin film structures

Abstract

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