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Magnetic properties of an Fe/Cu granular multilayer Rubistein, Mark Tejada Palacios, Javier Zhang, Xixiang Materials Propietats magnètiques Magnetoresistència Materials Magnetic properties Magnetoresistance A Cu/Fe granular film, formed from a multilayer film and composed of particles of Fe imbedded in Cu, has had several of its important properties investigated. Measurements include ferromagentic resonance, magnetoresistance, Mössbauer effect, magnetic viscosity, and magnetization. The two‐phase behavior of these immiscible alloy systems, and the effect of multilayering on the shape of the magnetic precipitates, can explain some of these properties. An explanation of the ferromagnetic resonance line shape is proffered. An extraordinary macroscopic quantum tunneling effect is found to govern the magnetic relaxation at the lowest temperatures. 2012-10-09T08:05:44Z 2012-10-09T08:05:44Z 1994 2012-10-09T08:05:45Z info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Reproducció del document publicat a: http://dx.doi.org/10.1063/1.356947 Journal of Applied Physics, 1994, vol. 75, num. 10, p. 6557-6559 http://dx.doi.org/10.1063/1.356947 (c) American Institute of Physics , 1994 info:eu-repo/semantics/openAccess American Institute of Physics Articles publicats en revistes (Física de la Matèria Condensada)