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Adsorption processes of hydrogen molecules on the Si(001)-(2× 1) and C(001)-(2× 1) surfaces are discussed in light of our previous studies of H2 adsorption on the related SiC(001)-c(4× 2) surface. Very amazingly, there are pathways above the latter on which hydrogen molecules can adsorb dissociatively at room temperature. One of these pathways has not been considered before for adsorption of H2...

We observed unexpected resonant response in [Fe/Cr]10 multilayers epitaxially grown on MgO(100) substrates which exists only when both ac current and dc magnetic field are simultaneously applied. The magnitude of the resonances is determined by the multilayer magnetization proving their intrinsic character. The reduction of interface epitaxy leads to nonlinear dependence of the magnitude of res...