X-ray diffraction studies of ion beam mixing in AuNi superlattices

Ion irradiation effects, induced at low temperature in Cu/W superlattices prepared by ion sputtering, were studied and compared using in situ resistivity measurements and x-ray diffraction. The influence of the particle mass was particularly investigated in order to measure the role of spike effects in this immiscible system. It is shown that a more important mixing can be obtained with light-ion irradiation. Nevertheless, the contribution of "thermally" activated jumps opposing ballistic effects is significant even when small and weakly energetic cascades are formed. A dependence of the microstructural state and of the compositional substructure on the irradiating particle is also evidenced. Light-ion irradiation favors grain growth, restores grain texture, and preserves the composition modulation.

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X-ray diffraction studies of ion beam mixing in AuNi superlattices

Cited by 4 publications

References 10 publications

Modification of Cu—W superlattices by ion irradiation

Modification of Cu—W superlattices by ion irradiation

Stress relaxation effects in Ag/Pd superlattices at initial stages of ion beam mixing

Low-temperature mixing in Cu/W superlattices irradiated with light and heavy ions

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