Abstract

197Au Mössbauer spectra have been measured for Au/Ni artificial multilayers. From the area ratio in a spectrum from a multilayer component and a component rising from pure Au buffer layer and its temperature dependence from 16 to 75 K, it is found that the Debye-Waller factor of Au in Au(10 Å)/Ni(10 Å) is larger than that of bulk Au, suggesting the existence of a supermodulus effect in this multilayer.

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