منابع مشابه
Giant magnetoresistance in organic spin valves.
Interfacial diffusion between magnetic electrodes and organic spacer layers is a serious problem in the organic spintronics which complicates attempts to understand the spin-dependent transport mechanism and hurts the achievement of a desirably high magnetoresistance (MR). We deposit nanodots instead of atoms onto the organic layer using buffer layer assist growth. Spin valves using this method...
متن کاملNonlinear giant magnetoresistance in dual spin valves.
Giant magnetoresistance (GMR) arises from differential scattering of the majority and minority spin electrons by a ferromagnet (FM) so that the resistance of a heterostructure depends on the relative magnetic orientation of the FM layers within it separated by nonmagnetic spacers. Here, we show that highly nonequilibrium spin accumulation in metallic heterostructures results in a current-depend...
متن کاملMicrostructural study of ion-beam deposited giant magnetoresistive spin valves
Detailed microstructural investigation of ion beam deposited giant magnetoresistance ~GMR! spin valves has been carried out using various techniques of transmission electron microscopy ~TEM! and x-ray diffraction. Two fcc phases, i.e., FeMn and NiFe/Co/Cu/Co/NiFe have been identified in ion-beam deposited Ta ~50 Å!/FeMn ~80 Å!/NiFe~30 Å!/Co~15 Å!/Cu~33 Å!/Co~15 Å!/NiFe~60 Å!/Ta~25 Å!/Si~001! sp...
متن کاملGiant enhancement of spin accumulation and long-distance spin precession in metallic lateral spin valves.
The non-local spin injection in lateral spin valves is strongly expected to be an effective method to generate a pure spin current for potential spintronic application. However, the spin-valve voltage, which determines the magnitude of the spin current flowing into an additional ferromagnetic wire, is typically of the order of 1 μV. Here we show that lateral spin valves with low-resistivity NiF...
متن کاملDynamic stiffness of spin valves
The dynamics of the magnetic order parameters of ferromagnet/paramagnet/ferromagnet spin valves and isolated ferromagnets may be very different. We investigate the role of the nonequilibrium spin-current exchange between the ferromagnets in the magnetization precession and switching. We find a ~low-temperature! critical current bias for a uniform current-induced magnetization excitation in spin...
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ژورنال
عنوان ژورنال: Journal of the Magnetics Society of Japan
سال: 1994
ISSN: 0285-0192
DOI: 10.3379/jmsjmag.18.341