Tensoresistive effect in thin metal films in the range of elastic and plastic strain |
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Authors: | I P Buryk D V Velykodnyi L V Odnodvorets I E Protsenko E P Tkach |
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Institution: | 1.Sumy State University,Sumy,Ukraine |
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Abstract: | The tensoresistive effect in single-layer Cr, Fe, Mo, Ni, and Pd films and double-layer Fe/Cr, Cu/Cr, Ni/Cr, and Pd/Fe films
is studied in the range of elastic and plastic strain. The influence of the surface and grain-boundary scatterings of electrons
on strain sensitivity S
ρ of the single-layer films is analyzed. Sensitivities Sρ of the single- and double-layer films to elastic and plastic strains are compared. It is found that the volume and grain-boundary
scatterings of electrons are main contributors to S
ρ in the Fe/Cr film system. Grain-boundary scattering is equally effective under elastic and plastic strain, as judged by a
high coefficient of electron grain-boundary scattering (R ≌ 0.36–0.41). |
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Keywords: | |
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