Magnetic tunneling effect in Fe/Al2O3/Ni1-xFex junctions

N. Tezuka, T. Miyazaki

Research output: Contribution to journalArticlepeer-review

55 Citations (Scopus)


The dependence of the magnetoresistance ratio, ΔR/Rs, on the Ni content has been studied in Fe/Al2O3/Ni1-xFex (0≤x≤1) tunneling junctions. The value of ΔR/Rs at 4.2 K increased with increasing x and exhibited a maximum of ∼35% at x=0.8. The result is discussed by taking into account the spin-polarization of ferromagnetic electrodes.

Original languageEnglish
Pages (from-to)6262-6264
Number of pages3
JournalJournal of Applied Physics
Issue number8 PART 2B
Publication statusPublished - 1996 Apr 15


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