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Part of the book series: NATO ASI Series ((ASIB,volume 167))

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Abstract

Recently Deutscher and Lareahl discovered a new mode of phase separation in thin films of Al/Ge alloys. They observe the growth of circular “colonies” whose densely packed appearance has been called “dense branching morphology”? The colonies consist of a highly branched starlike “island” of polycrystalline Ge inside a “lake” of monocrystalline Al which is only slightly larger than the Ge island. Thus the Al forms a thin but essentially uninterrupted rim around the Ge peninsulas. The whole colony is embedded in the amorphous phase having an overall composition of 40% Al and 60% Ge. As these colonies grow into the metastable amorphous surrounding they preserve their more or less circular shape.

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References

  1. G. Deutscher and Y. Lereah, Physica 140A (1986), 191

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  4. G. Deutscher and Y. Lereah, preprint

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  5. S.Alexander, R.Bruinsma, R.Hilfer, G.Deutscher and Y.Lereah, preprint

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© 1987 Plenum Press, New York

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Hilfer, R., Alexander, S., Bruinsma, R. (1987). On Dense Branching Phase Separation. In: Pynn, R., Riste, T. (eds) Time-Dependent Effects in Disordered Materials. NATO ASI Series, vol 167. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-7476-3_43

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  • DOI: https://doi.org/10.1007/978-1-4684-7476-3_43

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4684-7478-7

  • Online ISBN: 978-1-4684-7476-3

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