Magnetic proximity effect in YBa2Cu3O7/La(2/3)Ca(1/3)MnO3 and YBa2Cu3O7/LaMnO(3+Î´) superlattices.

Satapathy, D K; Uribe-Laverde, M A; Marozau, I; Malik, V K; Das, S; Wagner, Th; Marcelot, C; Stahn, J; Brück, S; Rühm, A; Macke, S; Tietze, T; Goering, E; Frañó, A; Kim, J-H; Wu, M; Benckiser, E; Keimer, B; Devishvili, A; Toperverg, B P; Merz, M; Nagel, P; Schuppler, S; Bernhard, C

Satapathy, D K; Uribe-Laverde, M A; Marozau, I; Malik, V K; Das, S; Wagner, Th; Marcelot, C; Stahn, J; Brück, S; Rühm, A; Macke, S; Tietze, T; Goering, E; Frañó, A; Kim, J-H; Wu, M; Benckiser, E; Keimer, B; Devishvili, A; Toperverg, B P; Merz, M; Nagel, P; Schuppler, S; Bernhard, C.

Afiliação

Satapathy DK; University of Fribourg, Department of Physics and Fribourg Centre for Nanomaterials, Chemin du Musée 3, CH-1700 Fribourg, Switzerland.

Phys Rev Lett ; 108(19): 197201, 2012 May 11.

Article em En | MEDLINE | ID: mdl-23003079

ABSTRACT

ABSTRACT

Using neutron reflectometry and resonant x-ray techniques we studied the magnetic proximity effect (MPE) in superlattices composed of superconducting YBa2Cu3O7 and ferromagnetic-metallic La0.67Ca0.33MnO3 or ferromagnetic-insulating LaMnO(3+Î´). We find that the MPE strongly depends on the electronic state of the manganite layers, being pronounced for the ferromagnetic-metallic La0.67Ca0.33MnO3 and almost absent for ferromagnetic-insulating LaMnO(3+Î´). We also detail the change of the magnetic depth profile due to the MPE and provide evidence for its intrinsic nature.

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