Exchange coupled composite FePt/TbCo/[Co/Ni]N films with an TbCo interlayer

Bin Ma, G. Y. Situ, H. G. Chu, J. P. Wang

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The exchange coupled composite FePt/TbCo/[Co/Ni]N films have been prepared by DC magnetron sputtering. The net magnetization of ferromagnetic TbCo changes with the temperature variation, and then the magnetic configuration of FePt/TbCo/[Co/Ni]N changes. When a RE-dominated Tb32Co68 is inserted, FePt/Tb32Co68/[Co/Ni]5 has high coercivity at room temperature because of its synthesis ferrimagnetic sandwich structure, but small coercivity is obtained when the temperature is higher than 200 °C because of its graded ECC structure.

Original languageEnglish (US)
Article number056508
JournalAIP Advances
Issue number5
StatePublished - May 1 2017


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