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2016 | 130 | 2 | 588-592
Article title

Superconductivity and Ferromagnetism in La_{0.67}Sr_{0.33}MnO₃/YBa₂Cu₃O₇ Nanosized Heterostructures

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EN
Abstracts
EN
In this work we present recent experimental studies of heterostructures composed of ferromagnetic La_{0.67}Sr_{0.33}MnO₃ (LSMO) and superconducting YBa₂Cu₃O₇ (YBCO) multilayers grown by dc sputtering method. The transport and magnetic properties of the large set of heterostructures were investigated in a wide temperature range from 2 to 400 K and in fields up to 12.5 T. The resistivity and the upper critical field were measured for samples with the plane active dimensions 1.5× 5 mm². The Nernst effect was studied in the mixed state revealing the characteristic temperature dependence of the Nernst signal which was correlated with variation of the upper critical field. We have observed an influence of the magnetic LSMO layer on the superconducting properties of the adjacent YBCO layer which consists in a substantial reduction of the superconducting critical temperature and a small lowering of the upper critical field.
Keywords
EN
Publisher

Year
Volume
130
Issue
2
Pages
588-592
Physical description
Dates
published
2016-08
Contributors
author
  • Institute of Low Temperature and Structure Research, PAS, Okólna 2, 50-422 Wrocław, Poland
  • Centre for Advanced Materials and Smart Structures, PAS, Okólna 2, 50-422 Wrocław, Poland
author
  • Institute of Low Temperature and Structure Research, PAS, Okólna 2, 50-422 Wrocław, Poland
  • Centre for Advanced Materials and Smart Structures, PAS, Okólna 2, 50-422 Wrocław, Poland
author
  • Centre for Advanced Materials and Smart Structures, PAS, Okólna 2, 50-422 Wrocław, Poland
  • International Laboratory of High Magnetic Fields and Low Temperatures, PAS, Gajowicka 95, 53-421 Wrocław, Poland
  • Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warszawa, Poland
author
  • Institute of Low Temperature and Structure Research, PAS, Okólna 2, 50-422 Wrocław, Poland
  • Centre for Advanced Materials and Smart Structures, PAS, Okólna 2, 50-422 Wrocław, Poland
  • International Laboratory of High Magnetic Fields and Low Temperatures, PAS, Gajowicka 95, 53-421 Wrocław, Poland
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv130n218kz
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