Increasing the Transition Temperature of High-TC Superconductor Thin Films by Organic Linking of Gold Nanoparticles

H. Alpern; M. Periyasamy; J. Tannous; G. Jung; I. Zaytseva; A. Rosova; Chromik; V. Štrbík; M. Talacko; S. Yochelis; Y. Yacoby; O. Millo; Y. Paltiel

doi:10.1007/s10948-020-05450-0

Increasing the Transition Temperature of High-T_C Superconductor Thin Films by Organic Linking of Gold Nanoparticles

H. Alpern, M. Periyasamy, J. Tannous, G. Jung, I. Zaytseva, A. Rosova, Chromik, V. Štrbík, M. Talacko, S. Yochelis, Y. Yacoby, O. Millo^*, Y. Paltiel^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

The transition temperature, T_C, of two types of optimally doped cuprate high-T_C superconductor films, YBa₂Cu₃O_7-δ and La_1.85Sr_0.15CuO₄, is found to increase upon linking Au nanoparticles to their surface via organic molecules. At the same time, and quite surprisingly, the critical current is reduced. We attribute these results to screening of the Coulomb interactions and smearing the pinning potential landscape. The transition temperature was increased also when the Au NPs were not chemically linked to the surface, consistent with the screening scenario. The linking molecules, however, enable selective adsorption of the gold nanoparticles and their separation from the surface, thus eliminating the conventional proximity effect.

Original language	English
Pages (from-to)	1941-1948
Number of pages	8
Journal	Journal of Superconductivity and Novel Magnetism
Volume	33
Issue number	7
DOIs	https://doi.org/10.1007/s10948-020-05450-0
State	Published - 1 Jul 2020

Bibliographical note

Publisher Copyright:
© 2020, Springer Science+Business Media, LLC, part of Springer Nature.

Keywords

74.62.-c transition temperature variations
74.62.Yb effects of crystal defects, doping, and substitution—other effects
74.72.Gh cuprate superconductors—hole-doped
Critical temperature enhancement
High-temperature superconductivity
Nanoparticles
Organic molecules

Access to Document

10.1007/s10948-020-05450-0

Cite this

Alpern, H., Periyasamy, M., Tannous, J., Jung, G., Zaytseva, I., Rosova, A., Chromik, Štrbík, V., Talacko, M., Yochelis, S., Yacoby, Y., Millo, O., & Paltiel, Y. (2020). Increasing the Transition Temperature of High-T_C Superconductor Thin Films by Organic Linking of Gold Nanoparticles. Journal of Superconductivity and Novel Magnetism, 33(7), 1941-1948. https://doi.org/10.1007/s10948-020-05450-0

@article{fd1673ed45df436cad189e7c00145e07,

title = "Increasing the Transition Temperature of High-TC Superconductor Thin Films by Organic Linking of Gold Nanoparticles",

abstract = "The transition temperature, TC, of two types of optimally doped cuprate high-TC superconductor films, YBa2Cu3O7-δ and La1.85Sr0.15CuO4, is found to increase upon linking Au nanoparticles to their surface via organic molecules. At the same time, and quite surprisingly, the critical current is reduced. We attribute these results to screening of the Coulomb interactions and smearing the pinning potential landscape. The transition temperature was increased also when the Au NPs were not chemically linked to the surface, consistent with the screening scenario. The linking molecules, however, enable selective adsorption of the gold nanoparticles and their separation from the surface, thus eliminating the conventional proximity effect.",

keywords = "74.62.-c transition temperature variations, 74.62.Yb effects of crystal defects, doping, and substitution—other effects, 74.72.Gh cuprate superconductors—hole-doped, Critical temperature enhancement, High-temperature superconductivity, Nanoparticles, Organic molecules",

author = "H. Alpern and M. Periyasamy and J. Tannous and G. Jung and I. Zaytseva and A. Rosova and Chromik and V. {\v S}trb{\'i}k and M. Talacko and S. Yochelis and Y. Yacoby and O. Millo and Y. Paltiel",

note = "Publisher Copyright: {\textcopyright} 2020, Springer Science+Business Media, LLC, part of Springer Nature.",

year = "2020",

month = jul,

day = "1",

doi = "10.1007/s10948-020-05450-0",

language = "אנגלית",

volume = "33",

pages = "1941--1948",

journal = "Journal of Superconductivity and Novel Magnetism",

issn = "1557-1939",

publisher = "Springer New York",

number = "7",

}

Alpern, H, Periyasamy, M, Tannous, J, Jung, G, Zaytseva, I, Rosova, A, Chromik, Štrbík, V, Talacko, M, Yochelis, S, Yacoby, Y, Millo, O & Paltiel, Y 2020, 'Increasing the Transition Temperature of High-T_C Superconductor Thin Films by Organic Linking of Gold Nanoparticles', Journal of Superconductivity and Novel Magnetism, vol. 33, no. 7, pp. 1941-1948. https://doi.org/10.1007/s10948-020-05450-0

TY - JOUR

T1 - Increasing the Transition Temperature of High-TC Superconductor Thin Films by Organic Linking of Gold Nanoparticles

AU - Alpern, H.

AU - Periyasamy, M.

AU - Tannous, J.

AU - Jung, G.

AU - Zaytseva, I.

AU - Rosova, A.

AU - Chromik,

AU - Štrbík, V.

AU - Talacko, M.

AU - Yochelis, S.

AU - Yacoby, Y.

AU - Millo, O.

AU - Paltiel, Y.

PY - 2020/7/1

Y1 - 2020/7/1

N2 - The transition temperature, TC, of two types of optimally doped cuprate high-TC superconductor films, YBa2Cu3O7-δ and La1.85Sr0.15CuO4, is found to increase upon linking Au nanoparticles to their surface via organic molecules. At the same time, and quite surprisingly, the critical current is reduced. We attribute these results to screening of the Coulomb interactions and smearing the pinning potential landscape. The transition temperature was increased also when the Au NPs were not chemically linked to the surface, consistent with the screening scenario. The linking molecules, however, enable selective adsorption of the gold nanoparticles and their separation from the surface, thus eliminating the conventional proximity effect.

AB - The transition temperature, TC, of two types of optimally doped cuprate high-TC superconductor films, YBa2Cu3O7-δ and La1.85Sr0.15CuO4, is found to increase upon linking Au nanoparticles to their surface via organic molecules. At the same time, and quite surprisingly, the critical current is reduced. We attribute these results to screening of the Coulomb interactions and smearing the pinning potential landscape. The transition temperature was increased also when the Au NPs were not chemically linked to the surface, consistent with the screening scenario. The linking molecules, however, enable selective adsorption of the gold nanoparticles and their separation from the surface, thus eliminating the conventional proximity effect.

KW - 74.62.-c transition temperature variations

KW - 74.62.Yb effects of crystal defects, doping, and substitution—other effects

KW - 74.72.Gh cuprate superconductors—hole-doped

KW - Critical temperature enhancement

KW - High-temperature superconductivity

KW - Nanoparticles

KW - Organic molecules

UR - http://www.scopus.com/inward/record.url?scp=85081403782&partnerID=8YFLogxK

U2 - 10.1007/s10948-020-05450-0

DO - 10.1007/s10948-020-05450-0

M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???

AN - SCOPUS:85081403782

SN - 1557-1939

VL - 33

SP - 1941

EP - 1948

JO - Journal of Superconductivity and Novel Magnetism

JF - Journal of Superconductivity and Novel Magnetism

IS - 7

ER -