Structure and magnetic properties characterization of electrodeposited Co37Fe63 alloys containing oxygen for magnetic recording applications

S. Elhalawaty, Ray Carpenter, J. George, S. R. Brankovic

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Soft and high magnetic moment Co37Fe63 films were electro-deposited with variable additives on Cu/Ti/Si substrates. The correlation between structure and magnetic properties has been investigated. TEM showed the crystal structure of the films to be BCC with a 〈111〉 texture, and a grain size in the range of 10-20 nm. Oxygen in the deposited films has been identified by EDS and EELS using HAADF STEM. SIMS analysis revealed the presence of hydrogen and oxygen in the deposited CoFe films. Electron microscopy results showed that the oxygen was mainly distributed along the grain boundaries in the CoFe film. In regions where oxygen was present in the films, the Fe content was enhanced relative to Co. The magnetic properties of the deposits have been measured by Vibrating Sample Magnetometer (VSM), quantifying the impact of incorporated oxygen in the film on the saturation magnetization and the coercivity.

Original languageEnglish (US)
Title of host publicationTMS 2011 - 140th Annual Meeting and Exhibition, Supplemental Proceedings
Pages11-18
Number of pages8
StatePublished - Jul 27 2011
EventTMS 2011 - 140th Annual Meeting and Exhibition - San Diego, CA, United States
Duration: Feb 27 2011Mar 3 2011

Publication series

NameTMS Annual Meeting
Volume3

Other

OtherTMS 2011 - 140th Annual Meeting and Exhibition
CountryUnited States
CitySan Diego, CA
Period2/27/113/3/11

Keywords

  • Electrodeposition
  • Magnetic properties
  • SIMS
  • TEM

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys

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    Elhalawaty, S., Carpenter, R., George, J., & Brankovic, S. R. (2011). Structure and magnetic properties characterization of electrodeposited Co37Fe63 alloys containing oxygen for magnetic recording applications. In TMS 2011 - 140th Annual Meeting and Exhibition, Supplemental Proceedings (pp. 11-18). (TMS Annual Meeting; Vol. 3).