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Surfactant-Mediated Growth of Epitaxial Films on Quasiperiodic Surfaces

Published online by Cambridge University Press:  17 March 2011

Masahiko Shimoda
Affiliation:
National Research Institute for Metals 1-2-1, Sengen, Tsukuba, Ibaraki, 305-0047, Japan
Junqing Guo
Affiliation:
CREST, Japan Science and Technology Corporation, Kawaguchi, Saitama, 332-0012, Japan
Taku J. Sato
Affiliation:
National Research Institute for Metals 1-2-1, Sengen, Tsukuba, Ibaraki, 305-0047, Japan
An Pang Tsai
Affiliation:
National Research Institute for Metals 1-2-1, Sengen, Tsukuba, Ibaraki, 305-0047, Japan
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Abstract

We have succeeded for the first time in inducing epitaxial growth of metal films on quasiperiodic surfaces. Depositions of Au onto the tenfold surface of a decagonal Al-Ni-Co quasicrystal were originally attempted to create a quasicrystal of a single element as an epitaxial film. Although the desired film was not obtained on the clean surface, a multiply twinned AuAl2 crystalline layer with a (110)-oriented surface was formed with the aid of an In pre-deposition layer. The presence of pre-deposited In also worked as a surfactant for the case of Au-deposition onto the fivefold surface of an icosahedral Al-Pd-Mn quasicrystal and promoted the formation of an ordered film of Au-Al alloy. X-ray photoelectron diffraction images from this ordered film show that the alloy has an icosahedral structure as a long-range order, suggesting the formation of a quasicrystalline film.

Type
Research Article
Copyright
Copyright © Materials Research Society 2001

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References

[1] Shimoda, M., Guo, J. Q., Sato, T. J., and Tsai, A. P., Phys. Rev. B62, 1 (2000).Google Scholar
[2] Sato, T. J., Hirano, T., and Tsai, A. P., J. Crystal Growth 191, 545 (1998).CrossRefGoogle Scholar
[3] Shimoda, M., Guo, J. Q., Sato, T. J., and Tsai, A. P., Surface Science 454–456, 11 (2000).CrossRefGoogle Scholar
[4] Zurkirch, M., Bolliger, B., Erbudak, M., and Kortan, A. R., Phys. Rev. B58, 14113 (1998).CrossRefGoogle Scholar
[5] Fadley, C. S., Syncrotron Radiation Research, Advances in Surface Science (Plenum, New York, 1989), edited by Bachrach, R. Z..Google Scholar
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[7] Naumovic, D., Aebi, P., Beeli, C., and Schlapbach, L., Surface Science 433–435, 302 (1999).CrossRefGoogle Scholar

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