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Porous Structure And High Electrical Resistivity Of AIPdRe Icosahedral Phase

Published online by Cambridge University Press:  10 February 2011

K. Kirihara  and
K. Kimura
K. Kirihara
Affiliation:
Department of Materials Science, the University of Tokyo, 7–3-1, Hongo, Bunkyo-ku, Tokyo, Japan, kirihara@phys.mm.t.u-tokyo.ac.jp
K. Kimura
Affiliation:
Department of Materials Science, the University of Tokyo, 7–3-1, Hongo, Bunkyo-ku, Tokyo, Japan, kirihara@phys.mm.t.u-tokyo.ac.jp
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Abstract

Mechanism of the structure formation of the I-phases, which is required for complete understanding of the origin of their high electrical resistivity and preparation of the high quality samples, is proposed. During annealing within 30 minutes, atomic difiusion of Al and Pd atoms from Al3Pd phase to Al07Re0.3 phase occurs and porosity is formed in the Al3Pd phase. It is supposed that the porosity formation results from Kirkendall effect.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 553: Symposium LL – Quasicrystals , 1998 , 379
Copyright
Copyright © Materials Research Society 1999

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References

REFERENCES

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