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Materials 2019, 12(6), 861; https://doi.org/10.3390/ma12060861

Hybrid Superconducting-Ferromagnetic [Bi2Sr2(Ca,Y)2Cu3O10]0.99(La2/3Ba1/3MnO3)0.01 Composite Thick Films

1
National Institute of Telecommunications (Inatel), Santa Rita do Sapucaí-MG 37540-000, Brazil
2
Institute of Materials for Electronics and Energy Technology (i-MEET), Friedrich-Alexander-Universitaẗ Erlangen-Nürnberg, Martensstrasse 7, 91058 Erlangen, Germany
3
Photovoltaic Research Laboratory, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
4
Facultad de Ciencias Naturales y Matemáticas, Universidad de Ibagué, Ibagué A.A. 730001, Colombia
5
Departamento de Física, Universidad del Valle, Cali A.A. 25360, Colombia
6
Centro de Excelencia en Nuevos Materiales (CENM), Universidad del Valle, Cali A.A. 25360, Colombia
7
Departamento de Física, Grupo de Ingeniería en Nuevos Materiales, Universidad del Valle, Cali A.A. 25360, Colombia
*
Authors to whom correspondence should be addressed.
Received: 11 February 2019 / Revised: 1 March 2019 / Accepted: 6 March 2019 / Published: 14 March 2019
(This article belongs to the Section Materials Physics)
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Abstract

We report here on the development of composite thick films exhibiting hybrid superconducting and ferromagnetic properties, produced through a low-cost, fast, and versatile process. These films were made of high Tc cuprate superconductor Bi2Sr2(Ca,Y)2Cu3O10 (with Y:Ca ratio of 5%) and ferromagnetic perovskite La2/3Ba1/3MnO3, synthesized by melting-quenching annealing process on a MgO substrate. Curie temperature for La2/3Ba1/3MnO3 was determined (~336 K ) by magnetic field assisted thermogravimetric analysis (TGA), while superconducting behavior of Bi2Sr2(Ca,Y)2Cu3O10/MgO films was observed through temperature-dependent resistance measurements. Superconducting features in our hybrid compound were corroborated by temperature-dependent resistivity and magnetic susceptibility. View Full-Text
Keywords: thick films; composite materials; superconductors; ferromagnetism; manganites thick films; composite materials; superconductors; ferromagnetism; manganites
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Mejía-Salazar, J.R.; Perea, J.D.; Castillo, R.; Diosa, J.E.; Baca, E. Hybrid Superconducting-Ferromagnetic [Bi2Sr2(Ca,Y)2Cu3O10]0.99(La2/3Ba1/3MnO3)0.01 Composite Thick Films. Materials 2019, 12, 861.

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