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Ar+-induced mixing mechanisms in metal-metal bilayer systems

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Abstract

Ion-beam mixing in Al-Pd, Al-Cr, Pd-Cu, Ag-Cu and Ag-Fe bilayers has been studied using Rutherford backscattering spectroscopy (RBS) and Auger electron spectroscopy (AES) over an ion dose range between 1 × 1015 and 1 × 1016 Ar+ cm−2 at room temperature. RBS and AES results show that the mixing efficiency of the light elements is higher than that of the heavy elements. The mixing efficiency of a heavy element is independent of the heat of mixing energy, while that of a light element has a close relation with the heat of mixing. The experimental results are discussed in terms of cascade mixing and thermal spike mixing.

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Author notes

  1. S. O. Kim

    Present address: Department of Physics, Seonam University, 590-170, Namwon, Korea

  2. J. J. Woo

    Present address: Department of Physics, Chonnam National University, 500-757, Kwangju, Korea

Authors and Affiliations

  1. Department of Physics, Yonsei University, 120-749, Seoul, Korea

    S. O. Kim, J. H. Song, H. G. Jang, S. S. Kim, J. J. Woo & C. N. Whang

  2. Department of Physics, Montana State University, 59717, Bozeman, MT, USA

    R. J. Smith

Authors
  1. S. O. Kim
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  2. J. H. Song
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  3. H. G. Jang
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  4. S. S. Kim
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  5. J. J. Woo
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  6. C. N. Whang
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  7. R. J. Smith
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Kim, S.O., Song, J.H., Jang, H.G. et al. Ar+-induced mixing mechanisms in metal-metal bilayer systems. J Mater Sci 27, 2141–2146 (1992). https://doi.org/10.1007/BF01117928

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  • DOI: https://doi.org/10.1007/BF01117928

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