@article{2f16c5fc1e704318b9396b2db3aa57d8,
title = "Symmetrical interfacial reconstruction and magnetism in La 0.7Ca0.3MnO3/YBa2Cu 3O7/La0.7Ca0.3MnO3 heterostructures",
abstract = "We have analyzed the interface structure and composition of La 0.7Ca0.3MnO3/YBa2Cu 3O7/La0.7Ca0.3MnO3 trilayers by combined polarized neutron reflectometry, aberration-corrected microscopy, and atomic column resolution electron-energy-loss spectroscopy and x-ray absorption with polarization analysis. We find the same stacking sequence at both top and bottom cuprate interfaces. X-ray magnetic circular dichroism experiments show that both cuprate interfaces are magnetic with a magnetic moment induced in Cu atoms as expected from symmetric Mn-O-Cu superexchange paths. These results supply a solid footing for the applicability of recent theories explaining the interplay between magnetism and superconductivity in this system in terms of the induced Cu spin polarization at both interfaces.",
author = "C. Visani and J. Tornos and Nemes, {N. M.} and M. Rocci and C. Leon and J. Santamaria and {Te Velthuis}, {S. G.E.} and Yaohua Liu and A. Hoffmann and Freeland, {J. W.} and M. Garcia-Hernandez and Fitzsimmons, {M. R.} and Kirby, {B. J.} and M. Varela and Pennycook, {S. J.}",
year = "2011",
month = aug,
day = "23",
doi = "10.1103/PhysRevB.84.060405",
language = "English",
volume = "84",
journal = "Physical Review B - Condensed Matter and Materials Physics",
issn = "1098-0121",
publisher = "American Physical Society",
number = "6",
}