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Modulation Wavelength Dependence of Ion Mdong in Metallic Superlattices*

  • Dale E. Alexander (a1), Eric E. Fullerton (a1), P.M. Baldo (a1), C.H. Sowers (a1) and L. E. Rehn (a1)...

Abstract

Ion mixing was studied in polycrystalline Nb/V and single-crystal Mo/V superlattices and in bilayers of the same materials. Systematic variation in the modulation wavelength, Λ, revealed a factor of three decrease in mixing efficiency at small Λ for Nb/V. The decrease appears to coincide with a structural transition in which the Nb/V superlattices become coherent. The results are consistent with a diffusion-induced grain boundary migration interpretation of mixing during irradiation.

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Work funded by the U. S. Department of Energy, BES-DMS, Contract #W-31-109-Eng-38.

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Modulation Wavelength Dependence of Ion Mdong in Metallic Superlattices*

  • Dale E. Alexander (a1), Eric E. Fullerton (a1), P.M. Baldo (a1), C.H. Sowers (a1) and L. E. Rehn (a1)...

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