GMR effect of [Co(Fe)/Cu] multilayer prepared by MBE and IBS methods
2004
Abstract GMR effect of [Co–Fe/Cu] and [Co/Cu] multilayers has been investigated. The samples have been prepared by an ion beam sputtering method, an UHV-MBE or an oxygen surfactant assisted MBE (OSA-MBE) method. The MR ratios for samples of [Co–Fe/Cu](1 1 1), [Co–Fe/Cu](1 0 0) [Co/Cu](1 1 1) and [Co/Cu](1 0 0) are measured as a function of Cu layer thickness. Especially, it is first revealed that the MR ratio for [Co–Fe/Cu](1 0 0) is much larger than that for [Co–Fe/Cu](1 1 1). The very small MR ratio for [Co/Cu](1 0 0) is discussed.
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