Browsing by Author "Malik, VK"

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    Magnetic proximity effect in YBa2Cu3O7/La2/3Ca1/3MnO3 and YBa2Cu3O7/LaMnO3+delta superlattices
    (Amnerican Physical Society, 2012-05-07) Satapathy, DK; Uribe-Laverde, MA; Marozau, I; Malik, VK; Das, S; Wagner, T; Marcelot, C; Stahn, J; Bruck, S; Ruhm, A; Macke, S; Tietze, T; Goering, E; Frano, A; Kim, JH; Wu, M; Benckiser, E; Keimer, B; Devishvili, A; Toperverg, BP; Merz, M; Nagel, P; Schuppler, S; Bernhard, C
    Using neutron reflectometry and resonant x-ray techniques we studied the magnetic proximity effect (MPE) in superlattices composed of superconducting YBa(2)Cu(3)O(7) and ferromagnetic-metallic La(0.67)Ca(0.33)MnO(3) or ferromagnetic-insulating LaMnO(3+delta). We find that the MPE strongly depends on the electronic state of the manganite layers, being pronounced for the ferromagnetic-metallic La(0.67)Ca(0.33)MnO(3) and almost absent for ferromagnetic-insulating LaMnO(3+delta). We also detail the change of the magnetic depth profile due to the MPE and provide evidence for its intrinsic nature. © 2012, American Physical Society.