Exchange-coupling of c-axis oriented L10-FePd and Fe in FePd/Fe thin films

T. Ichitsubo, S. Takashima, E. Matsubara, Y. Tamada, T. Ono

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13 Citations (Scopus)


This letter reports the control of the c -axis orientation and the magnetic properties of L 10 FePd in the well-annealed FePd/Fe thin films Fe (20 nm) /FePd (10 nm) /Fe (5 nm) / SiO2 -substrate and Fe (20 nm) /FePd (5 nm) /Fe (5 nm) / SiO2 -substrate, with the compositions of dual phase region in phase equilibrium. After annealing at 550 °C for 24 h, the c -axis of L10 FePd is controlled to be oriented in the normal direction in the soft Fe matrix. These thin films exhibit the exchange-coupling of hard FePd with soft Fe, and a characteristic spring-magnet behavior showed up reversibly as a significant jump from positive to negative in the magnetization reversal.

Original languageEnglish
Article number182508
JournalApplied Physics Letters
Issue number18
Publication statusPublished - 2010 Nov 1
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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