Crystalline phases displaying pseudo-icosahedral symmetry in Ag 42In42RE16 (RE = Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu)

J. F. Ruan; K. H. Kuo; J. Q. Guo; A. P. Tsai

doi:10.1016/j.jallcom.2003.09.111

Crystalline phases displaying pseudo-icosahedral symmetry in Ag ₄₂In₄₂RE₁₆ (RE = Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu)

J. F. Ruan, K. H. Kuo, J. Q. Guo, A. P. Tsai

Research output: Contribution to journal › Letter › peer-review

14 Citations (Scopus)

Abstract

A bcc phase (a=1.510-1.519nm), possibly isostructural with Cd ₆RE, exists in Ag₄₂In₄₂RE₁₆ alloys, where RE=Gd, Tb, Dy, Ho, Er, Tm, and Lu. In Ag₄₂In ₄₂Yb₁₆, however, a C-centered monoclinic phase (a=2.60nm, b=1.48nm, c=2.63nm, β≈108°) coexists with the icosahedral quasicrystal (IQC). All these crystalline phases show local pseudo-icosahedral symmetry.

Original language	English
Pages (from-to)	L23-L27
Journal	Journal of Alloys and Compounds
Volume	370
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jallcom.2003.09.111
Publication status	Published - 2004 May 12
Externally published	Yes

Keywords

Ag-In-rare earth alloys
Icosahedron
Quasicrystal

ASJC Scopus subject areas

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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title = "Crystalline phases displaying pseudo-icosahedral symmetry in Ag 42In42RE16 (RE = Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu)",

abstract = "A bcc phase (a=1.510-1.519nm), possibly isostructural with Cd 6RE, exists in Ag42In42RE16 alloys, where RE=Gd, Tb, Dy, Ho, Er, Tm, and Lu. In Ag42In 42Yb16, however, a C-centered monoclinic phase (a=2.60nm, b=1.48nm, c=2.63nm, β≈108°) coexists with the icosahedral quasicrystal (IQC). All these crystalline phases show local pseudo-icosahedral symmetry.",

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author = "Ruan, {J. F.} and Kuo, {K. H.} and Guo, {J. Q.} and Tsai, {A. P.}",

year = "2004",

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language = "English",

volume = "370",

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TY - JOUR

T1 - Crystalline phases displaying pseudo-icosahedral symmetry in Ag 42In42RE16 (RE = Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu)

AU - Ruan, J. F.

AU - Kuo, K. H.

AU - Guo, J. Q.

AU - Tsai, A. P.

PY - 2004/5/12

Y1 - 2004/5/12

N2 - A bcc phase (a=1.510-1.519nm), possibly isostructural with Cd 6RE, exists in Ag42In42RE16 alloys, where RE=Gd, Tb, Dy, Ho, Er, Tm, and Lu. In Ag42In 42Yb16, however, a C-centered monoclinic phase (a=2.60nm, b=1.48nm, c=2.63nm, β≈108°) coexists with the icosahedral quasicrystal (IQC). All these crystalline phases show local pseudo-icosahedral symmetry.

AB - A bcc phase (a=1.510-1.519nm), possibly isostructural with Cd 6RE, exists in Ag42In42RE16 alloys, where RE=Gd, Tb, Dy, Ho, Er, Tm, and Lu. In Ag42In 42Yb16, however, a C-centered monoclinic phase (a=2.60nm, b=1.48nm, c=2.63nm, β≈108°) coexists with the icosahedral quasicrystal (IQC). All these crystalline phases show local pseudo-icosahedral symmetry.

KW - Ag-In-rare earth alloys

KW - Icosahedron

KW - Quasicrystal

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