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Stable Icosahedral Quasicrystals in the Cd-Based Alloys

Published online by Cambridge University Press:  17 March 2011

J. Q. Guo ,
E. Abe  and
A. P. Tsai
J. Q. Guo
Affiliation:
National Research Institute for Metals, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
E. Abe
Affiliation:
CREST, Japan Science and Technology Corporation, Kawaguchi, Saitama 332-0012, Japan
A. P. Tsai
Affiliation:
CREST, Japan Science and Technology Corporation, Kawaguchi, Saitama 332-0012, Japan
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Abstract

Stable icosahedral quasicrystals have been found in ternary Cd65Mg20RE15 (RE=Y, Gd, Tb, Dy, Ho, Er, Tm, Lu, Yb and Ca) and binary Cd85Ca15 and Cd84Yb16 alloys. These icosahedral quasicrystals have a primitive quasilattice. Their quasilattice parameters range from 0.5571 to 0.5731 nm. Formation mechanism of the quasicrystals is discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 643: Symposium K – Quasicrystals-Preparation, Properties, and Applications , 2000 , K2.7
Copyright
Copyright © Materials Research Society 2001

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