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Interfaces in superconducting hybrid heterostructures with an antiferromagnetic interlayer

Constantinian, K. Y. and Kislinskii, Yu. V. and Ovsyannikov, G. A. and Shadrin, A. V. and Sheyerman, A. E. and Vasil’ev, A. L. and Presnyakov, M. Yu. and Komissinskiy, P. V. (2013):
Interfaces in superconducting hybrid heterostructures with an antiferromagnetic interlayer.
In: Physics of the Solid State, SP MAIK Nauka/Interperiodica, pp. 461-465, 55, (3), ISSN 1063-7834, [Online-Edition: http://dx.doi.org/10.1134/S1063783413030153],
[Article]

Abstract

The structural, X-ray diffraction, and electrophysical studies of hybrid superconducting hetero-structures with an interlayer of cuprate antiferromagnetic Ca1 − x Sr x CuO2 (CSCO) with the upper electrode Nb/Au and the lower electrode YBa2Cu3O7 − δ (YBCO) have been carried out. It has been experimentally shown that the epitaxial growth of two cuprates, YBCO and CSCO, results in the formation of an interface on which the enrichment of the CSCO interlayer with charge carriers proceeds to a depth of about 20 nm. In this case, the conduction of the enriched CSCO region proves to be closer to metallic, whereas the CSCO film deposited onto the NdGaO3 substrate is a Mott insulator with hopping conduction.

Item Type: Article
Erschienen: 2013
Creators: Constantinian, K. Y. and Kislinskii, Yu. V. and Ovsyannikov, G. A. and Shadrin, A. V. and Sheyerman, A. E. and Vasil’ev, A. L. and Presnyakov, M. Yu. and Komissinskiy, P. V.
Title: Interfaces in superconducting hybrid heterostructures with an antiferromagnetic interlayer
Language: English
Abstract:

The structural, X-ray diffraction, and electrophysical studies of hybrid superconducting hetero-structures with an interlayer of cuprate antiferromagnetic Ca1 − x Sr x CuO2 (CSCO) with the upper electrode Nb/Au and the lower electrode YBa2Cu3O7 − δ (YBCO) have been carried out. It has been experimentally shown that the epitaxial growth of two cuprates, YBCO and CSCO, results in the formation of an interface on which the enrichment of the CSCO interlayer with charge carriers proceeds to a depth of about 20 nm. In this case, the conduction of the enriched CSCO region proves to be closer to metallic, whereas the CSCO film deposited onto the NdGaO3 substrate is a Mott insulator with hopping conduction.

Journal or Publication Title: Physics of the Solid State
Volume: 55
Number: 3
Publisher: SP MAIK Nauka/Interperiodica
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Advanced Thin Film Technology
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 09 Jan 2014 08:52
Official URL: http://dx.doi.org/10.1134/S1063783413030153
Additional Information:

Original Russian Text © K.Y. Constantinian, Yu.V. Kislinskii, G.A. Ovsyannikov, A.V. Shadrin, A.E. Sheyerman, A.L. Vasil’ev, M.Yu. Presnyakov, P.V. Komissinskiy, 2013, published in Fizika Tverdogo Tela, 2013, Vol. 55, No. 3, pp. 417–421.

Identification Number: doi:10.1134/S1063783413030153
Funders: This study was supported by the Department of Physical Sciences of the Russian Academy of Sci�ences, the Ministry of Education and Science of the Russian Federation (grant no. 02.740.11.0795)., This sltudy was supported by the Council on Grants from the President of the Russian Federation (grant no. NSh�2456.2012.2), the Russian Foundation for Basic Research (project nos. 11�02� 01234a and 12�07�31207mol_a), , nd the Visbi pro�gram of the Swedish Institute.
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