Domain wall assisted magnetization switching in (111) oriented L1 0 FePt grown on a soft magnetic metallic glass

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Abstract

We report on growth and magnetic properties of exchange-coupled (111) -L10 FePt hard/CoFeTaB soft magnetic metallic glass bilayered structure processed at lower temperature (∼400 °C). Single phaselike hysteresis loops with tailorable coercivity (<8.2 kOe) in out of plane direction are obtained. The magnetization switching mechanism is identified as domain wall assisted. In views of excellent nanofabrication abilities of metallic glass thin film and the ability to grow preferred oriented L1 0 FePt, the present bilayered structure is very promising for the fabrication of high density bit-patterned magnetic recording media and other spintronic devices.

Original languageEnglish
Article number072510
JournalApplied Physics Letters
Volume97
Issue number7
DOIs
Publication statusPublished - 2010 Aug 16

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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