نتایج جستجو برای: kerr magneto
تعداد نتایج: 17552 فیلتر نتایج به سال:
We report the magneto-optic Kerr effect (MOKE) angle of Au magnetically excited by spin accumulation. perform time-resolved polar MOKE measurements on Au/Co heterostructures. In our experiment, ultrafast optical excitation Co drives accumulation into an adjacent layer. The accumulation, together with spin-orbit coupling, leads to nonzero terms in off-diagonal conductivity tensor Au, which we me...
The optical and magneto-optical properties of the DyxCo1-x/Bi/NiFe three-layer systems are presented. Kerr effect to study temperature dependence magnetization spectroscopic ellipsometry obtain constants were used. It is shown that thickness bismuth interlayer affects exchange interaction between NiFe DyCo layers, which manifested in a change magnetisation compensation temperature.
Asymmetric magnetization reversal is an unusual phenomenon in antiferromagnet/ferromagnet (AF/FM) exchange biased bilayers. We investigated this phenomenon in a simple model system experimentally and by simulation assuming inhomogeneously distributed interfacial AF moments. The results suggest that the observed asymmetry originates from the intrinsic broken symmetry of the system, which results...
Clusters and islands of Fe atoms have been prepared by noble gas buffer layer assisted growth as well as by standard molecular beam epitaxy on Pt substrates. Xe buffer layers have been utilized to promote the formation of compact, relaxed Fe clusters with narrow size distribution. Without the Xe buffer, strained Fe islands with a characteristic misfit dislocation network are formed. Magnetizati...
In this study, we have performed magneto-optical Kerr effect ~MOKE! measurement on epitaxial La2/3Sr1/3MnO3 thin films containing artificial interfaces created by laser-patterning the SrTiO3 substrate. The observed increase of the resistivity and of the high-field magnetoresistance when measuring the films across the interface arrays are related to the reduction of the magnetization of the inte...
We present measurement and analysis techniques that allow the complex magneto-conductivity tensor to be determined from measurements of the complex Faraday (θF) and Kerr (θK) angles. θF and θK are measured in a Ga1−xMnxAs and SrRuO3 films. Thick film transmission and reflection equations are used to convert the complex θF and θK into the complex longitudinal conductivity σxx and the complex tra...
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