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American Institute of Physics, Applied Physics Letters, 19(66), p. 2564

DOI: 10.1063/1.113168

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Superconductivity and gaint negative magnetoresistance in YBa2Cu3O7/La0.67Ba0.33MnO3 superlattices

Journal article published in 1995 by Gerhard Jakob ORCID, V. V. Moshchalkov, Y. Bruynseraede
This paper is available in a repository.
This paper is available in a repository.

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Abstract

It is shown that the recently discovered giant negative magnetoresistance (GMR) effects in ferromagnetic La1?xMxMnO3 (M=Ca,Sr,Ba) are compatible with the existence of high Tc superconductivity in c?axis oriented YBa2Cu3O7/La0.67Ba0.33MnO3 superlattices. From magnetoresistivity measurements we deduce that above Tc the giant GMR persists up to room temperature. Below Tc the superlattices show a quasi?two?dimensional superconductivity of the YBa2Cu3O7 layers coexisting with magnetism in the La0.67Ba0.33MnO3 layers. © 1995 American Institute of Physics.