The effects of Cu doping on crystalline structure and magnetic properties of SmCo5-xCux thin films grown on Ru (0002)

S. Q. Yin, H. Wang, H. B. Zhao, Y. Jiang, J. P. Wang

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6 Scopus citations

Abstract

In this study, we successfully utilized Ru (0002) textured film as underlayer for epitaxial growth of the highly (0001) textured SmCo 5-xCux thin films with perpendicular anisotropy. Effects of Cu doping on the crystalline structure and magnetic properties of SmCo 5-xCux thin films were investigated. With the increase of the Cu proportion, the Curie temperature (TC) of SmCo 5-xCux thin films is largely decreased. The ultra-high anisotropy and adjustable TC indicate that Sm(Co,Cu)5 magnetic film, which is thermally stable at room temperature and writable at an appropriate high temperature, could be a potential choice of heat assisted magnetic recording media materials.

Original languageEnglish (US)
Article number213908
JournalJournal of Applied Physics
Volume114
Issue number21
DOIs
StatePublished - Dec 7 2013

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