Interface and microstructure evolutions in synthetic ferrimagnet-based spin valves upon exposure to postdeposition annealing

Young Keun Kim, Gun Hyung Park, Seong Rae Lee, Seok Hong Min, Jeong Yun Won, Se Ahn Song

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The investigation of magnetoresistance (MR) property degradation behavior of bottom (B)- and top (T) - spin valve (SV) structures on annealing was done. The two major factors were found to be the differences in interfacial energies of IrMn/CoFe due to the deposition sequence, as well as in grain boundary area. Better thermal stability was shown by B-SV featuring less grain boundaries and nonabrupt IrMn/CoFe interface.

Original languageEnglish
Pages (from-to)7924-7926
Number of pages3
JournalJournal of Applied Physics
Volume93
Issue number10 3
DOIs
Publication statusPublished - 2003 May 15

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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