Highly ordered structure of icosahedral quasicrystals in Zn-Mg-Re (Re = rare earth metals) systems

A. P. Tsai; A. Niikura; A. Inoue; T. Masumoto; Y. Nishida; K. Tsuda; M. Tanaka

doi:10.1080/09500839408240971

Highly ordered structure of icosahedral quasicrystals in Zn-Mg-Re (Re = rare earth metals) systems

A. P. Tsai, A. Niikura, A. Inoue, T. Masumoto, Y. Nishida, K. Tsuda, M. Tanaka

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

214 Citations (Scopus)

Abstract

A new group of stable icosahedral phases (i-phases) in the Zn-Mg-RE system were found to have an ideal composition close to Znso Mg42RE8 (RE = Y, Gd, Tb, Dy, Ho or Er). The new i-phases exhibit a highly ordered and nearly perfect face-centred icosahedral lattice as revealed by electron and X-ray diffraction and high-resolution electron microscopy. Powder X-ray diffraction indicates that the i-phase has long-range structural order with a correlation length over 1000 A, which is the largest found in the Frank-Kasper group. These new i-phases have the common valence concentration (about 2 08) and could be regarded as a new class of Hume-Rothery alloys.

Original language	English
Pages (from-to)	169-175
Number of pages	7
Journal	Philosophical Magazine Letters
Volume	70
Issue number	3
DOIs	https://doi.org/10.1080/09500839408240971
Publication status	Published - 1994 Sep

ASJC Scopus subject areas

Condensed Matter Physics

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title = "Highly ordered structure of icosahedral quasicrystals in Zn-Mg-Re (Re = rare earth metals) systems",

abstract = "A new group of stable icosahedral phases (i-phases) in the Zn-Mg-RE system were found to have an ideal composition close to Znso Mg42RE8 (RE = Y, Gd, Tb, Dy, Ho or Er). The new i-phases exhibit a highly ordered and nearly perfect face-centred icosahedral lattice as revealed by electron and X-ray diffraction and high-resolution electron microscopy. Powder X-ray diffraction indicates that the i-phase has long-range structural order with a correlation length over 1000 A, which is the largest found in the Frank-Kasper group. These new i-phases have the common valence concentration (about 2 08) and could be regarded as a new class of Hume-Rothery alloys.",

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T1 - Highly ordered structure of icosahedral quasicrystals in Zn-Mg-Re (Re = rare earth metals) systems

AU - Tsai, A. P.

AU - Niikura, A.

AU - Inoue, A.

AU - Masumoto, T.

AU - Nishida, Y.

AU - Tsuda, K.

AU - Tanaka, M.

PY - 1994/9

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N2 - A new group of stable icosahedral phases (i-phases) in the Zn-Mg-RE system were found to have an ideal composition close to Znso Mg42RE8 (RE = Y, Gd, Tb, Dy, Ho or Er). The new i-phases exhibit a highly ordered and nearly perfect face-centred icosahedral lattice as revealed by electron and X-ray diffraction and high-resolution electron microscopy. Powder X-ray diffraction indicates that the i-phase has long-range structural order with a correlation length over 1000 A, which is the largest found in the Frank-Kasper group. These new i-phases have the common valence concentration (about 2 08) and could be regarded as a new class of Hume-Rothery alloys.

AB - A new group of stable icosahedral phases (i-phases) in the Zn-Mg-RE system were found to have an ideal composition close to Znso Mg42RE8 (RE = Y, Gd, Tb, Dy, Ho or Er). The new i-phases exhibit a highly ordered and nearly perfect face-centred icosahedral lattice as revealed by electron and X-ray diffraction and high-resolution electron microscopy. Powder X-ray diffraction indicates that the i-phase has long-range structural order with a correlation length over 1000 A, which is the largest found in the Frank-Kasper group. These new i-phases have the common valence concentration (about 2 08) and could be regarded as a new class of Hume-Rothery alloys.

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