RT Journal Article
T1 Tunnel magnetoresistance in La_(0.7)Ca_(0.3)MnO_(3)/PrBa_(2)Cu_(3)O_(7)/La_(0.7)Ca_(0.3)MnO_(3)
A1 Sefrioui, Zouhair
A1 Cros, V.
A1 Barthélémy, A.
A1 Peña, V.
A1 León Yebra, Carlos
A1 Santamaría Sánchez-Barriga, Jacobo
A1 Varela Del Arco, María
A1 Pennycook, S.J.
AB We report large tunneling magnetoresistance in La_(0.7)Ca_(0.3)MnO_(3) (8 nm)/PrBa_(2)Cu_(3)O_(7) (2.4 nm)/La_(0.7)Ca_(0.3)MnO_(3) (50 nm) junctions. The coherent growth of the cuprate on the manganite allows the deposition of ultrathin barriers which are continuous and flat over long lateral distances. Epitaxial strain causes the top layer to be a weaker ferromagnet without a significant decrease in the spin polarization.
PB American Institute of Physics
SN 0003-6951
YR 2006
FD 2006-06-09
LK https://hdl.handle.net/20.500.14352/51419
UL https://hdl.handle.net/20.500.14352/51419
LA eng
NO © 2006 American Institute of Physics. One of the authors  Z.S. gratefully acknowledges financial support from Flores Valles. Work supported by MCYT MAT 2002-2642, CAM GR-MAT-0771/2004, UCM PR3/04- 12399, and Fundación Ramón Areces. This research was partially sponsored by the Laboratory Directed Research and Development Program of ORNL, managed by UT-Batelle, LLC, for the U.S. Department of Energy under Contract No. DE-AC05-00OR22725. The authors thank M. Bibes for fruitful discussion.
NO Flores Valles
NO MCYT
NO CAM
NO UCM
NO Fundación Ramón Areces
NO Laboratory Directed Research and Development Program of ORNL
DS Docta Complutense
RD 11 abr 2025