On magnetic interlayer coupling and proximity effect in a La0.67Ca0.33MnO3 (10 
nm)/YBa2Cu3O7 (10 nm) superlattice

Freeland, J. W.; Chakhalian, J.; Habermeier, H.-U.; Cristiani, G.; Keimer, B.

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On magnetic interlayer coupling and proximity effect in a La_0.67Ca_0.33MnO₃ (10 nm)/YBa₂Cu₃O₇ (10 nm) superlattice

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Chakhalian, J.
Department Solid State Spectroscopy (Bernhard Keimer), Max Planck Institute for Solid State Research, Max Planck Society;

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Habermeier, H.-U.
Department Solid State Spectroscopy (Bernhard Keimer), Max Planck Institute for Solid State Research, Max Planck Society;
Scientific Facility Thin Film Technology (Gennady Logvenov), Max Planck Institute for Solid State Research, Max Planck Society;
Department Physical Chemistry of Solids (Joachim Maier), Max Planck Institute for Solid State Research, Max Planck Society;

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Cristiani, G.
Scientific Facility Thin Film Technology (Gennady Logvenov), Max Planck Institute for Solid State Research, Max Planck Society;

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Keimer, B.
Department Solid State Spectroscopy (Bernhard Keimer), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Freeland, J. W., Chakhalian, J., Habermeier, H.-U., Cristiani, G., & Keimer, B. (2007). On magnetic interlayer coupling and proximity effect in a La_0.67Ca_0.33MnO₃ (10 nm)/YBa₂Cu₃O₇ (10 nm) superlattice. Applied Physics Letters, 90(24): 242502.

Cite as: https://hdl.handle.net/21.11116/0000-000E-B6E9-E

Abstract

The authors present a study of interlayer coupling and proximity effects in a La0.66Ca0.33MnO3 (10 nm)/YBa2Cu3O7 (10 nm) superlattice. Using element-sensitive x-ray probes, the magnetic state of Mn can be probed without seeing the strong diamagnetism of the superconductor, which makes this approach ideal to study changes in the magnetic properties across the superconducting transition. By a combined experiment using in situ transport measurements during polarized soft x-ray measurements, they were able to see no noticeable influence of the superconducting state on the magnetic properties and no evidence for magnetic coupling across a 10 nm YBa2Cu3O7 layer. (c) 2007 American Institute of Physics.