Interfacial spin interactions of ferromagnetic and antiferromagnetic manganite bilayers

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A pulsed laser deposition technique was used to grow ferromagnetic La 0.7Sr0.3MnO3 (LSMO) films on antiferromagnetic La0.33Ca0.67MnO3 (LCMO) and Pr 0.7Ca0.3MnO3 (PCMO) films in bilayer forms. The LSMO film on the PCMO layer had a more elongated out-of-plane lattice than that on the LCMO layer. The former had a lower ferromagnetic transition temperature (320 K) than the latter (350 K). The enhanced low-temperature magnetoresistance of the LSMO/PCMO bilayer suggests that the spin frustration is stronger at this bilayer than in the LSMO/LCMO bilayer. These differences indicate that strain state and defect concentration play important roles in governing interfacial spin interactions.

Original languageEnglish
Pages (from-to)545-548
Number of pages4
JournalSolid State Communications
Issue number10
StatePublished - Mar 2006


  • A. Magnetic films and multilayers
  • B. Epitaxy
  • D. Electronic transport


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