The effect of controlled P1 and P2 in synthetic spin valve with Mn-Ir-Pt exchange biasing layer

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Abstract

Synthetic top and bottom spin valves including the Mn-Ir-Pt/Co-Fe (P1)/Ru/Co - Fe (P2) synthetic pinned layer were prepared by controlling the thickness difference (Δt = P1 - P2) of Co-Fe layers. The effective exchange field (Heff,ex) and giant magnetoresistance (GMR) properties of both synthetic type SVs were investigated as a function of Δt. The Heff,ex was dependent largely on the Δt. The GMR properties are strongly dependent on the stacking sequence of synthetic SVs and Δt. Based on the magnetic and electrical properties at room temperature, the thermal stability of synthetic SVs was also evaluated at various elevated temperatures in both types of SVs.

Original languageEnglish
Pages (from-to)207-209
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume239
Issue number1-3
DOIs
StatePublished - Feb 2002

Keywords

  • Effective exchange field
  • GMR
  • Spin valve
  • Synthetic pinned layer

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