High-resolution inelastic X-ray scattering measurements of an Al72Pd20Mn8 alloy above the melting point

J. T. Okada; M. Inui; D. Ishikawa; S. Tsutsui; A. Q.R. Baron; K. Matsuda; Yoshihiko Yokoyama; Y. Watanabe; T. Ishikawa; S. Nanao

doi:10.1016/j.jnoncrysol.2007.05.072

High-resolution inelastic X-ray scattering measurements of an Al₇₂Pd₂₀Mn₈ alloy above the melting point

J. T. Okada, M. Inui, D. Ishikawa, S. Tsutsui, A. Q.R. Baron, K. Matsuda, Yoshihiko Yokoyama, Y. Watanabe, T. Ishikawa, S. Nanao

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

Abstract

The dynamic structure factor S(Q, ω) of the melt of an icosahedral quasicrystal, Al₇₂Pd₂₀Mn₈, was measured at 1223 K near the melting point, T_m = 1140 K, for momentum transfers, Q, from 1.5 nm^-1 to 5.55 nm^-1 by means of inelastic X-ray scattering technique using synchrotron radiation at SPring-8. The composition of Al₇₂Pd₂₀Mn₈ is a special one in AlPdMn ternary alloys, since icosahedral AlPdMn quasicrystal is formed directly from the melt. The acoustic mode was observed in the low Q region, and a sound velocity was estimated to be 4170 ± 100 m/s.

Original language	English
Pages (from-to)	3174-3176
Number of pages	3
Journal	Journal of Non-Crystalline Solids
Volume	353
Issue number	32-40
DOIs	https://doi.org/10.1016/j.jnoncrysol.2007.05.072
Publication status	Published - 2007 Oct 15
Externally published	Yes

Keywords

Acoustic properties and phonons
Diffraction and scattering measurements
INVALID quasicrystals
Liquid alloys and liquid metals
Quasicrystals

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

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High-resolution inelastic X-ray scattering measurements of an Al₇₂Pd₂₀Mn₈ alloy above the melting point. / Okada, J. T.; Inui, M.; Ishikawa, D.; Tsutsui, S.; Baron, A. Q.R.; Matsuda, K.; Yokoyama, Yoshihiko; Watanabe, Y.; Ishikawa, T.; Nanao, S.

In: Journal of Non-Crystalline Solids, Vol. 353, No. 32-40, 15.10.2007, p. 3174-3176.

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

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title = "High-resolution inelastic X-ray scattering measurements of an Al72Pd20Mn8 alloy above the melting point",

abstract = "The dynamic structure factor S(Q, ω) of the melt of an icosahedral quasicrystal, Al72Pd20Mn8, was measured at 1223 K near the melting point, Tm = 1140 K, for momentum transfers, Q, from 1.5 nm-1 to 5.55 nm-1 by means of inelastic X-ray scattering technique using synchrotron radiation at SPring-8. The composition of Al72Pd20Mn8 is a special one in AlPdMn ternary alloys, since icosahedral AlPdMn quasicrystal is formed directly from the melt. The acoustic mode was observed in the low Q region, and a sound velocity was estimated to be 4170 ± 100 m/s.",

keywords = "Acoustic properties and phonons, Diffraction and scattering measurements, INVALID quasicrystals, Liquid alloys and liquid metals, Quasicrystals",

author = "Okada, {J. T.} and M. Inui and D. Ishikawa and S. Tsutsui and Baron, {A. Q.R.} and K. Matsuda and Yoshihiko Yokoyama and Y. Watanabe and T. Ishikawa and S. Nanao",

year = "2007",

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doi = "10.1016/j.jnoncrysol.2007.05.072",

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T1 - High-resolution inelastic X-ray scattering measurements of an Al72Pd20Mn8 alloy above the melting point

AU - Okada, J. T.

AU - Inui, M.

AU - Ishikawa, D.

AU - Tsutsui, S.

AU - Baron, A. Q.R.

AU - Matsuda, K.

AU - Yokoyama, Yoshihiko

AU - Watanabe, Y.

AU - Ishikawa, T.

AU - Nanao, S.

PY - 2007/10/15

Y1 - 2007/10/15

N2 - The dynamic structure factor S(Q, ω) of the melt of an icosahedral quasicrystal, Al72Pd20Mn8, was measured at 1223 K near the melting point, Tm = 1140 K, for momentum transfers, Q, from 1.5 nm-1 to 5.55 nm-1 by means of inelastic X-ray scattering technique using synchrotron radiation at SPring-8. The composition of Al72Pd20Mn8 is a special one in AlPdMn ternary alloys, since icosahedral AlPdMn quasicrystal is formed directly from the melt. The acoustic mode was observed in the low Q region, and a sound velocity was estimated to be 4170 ± 100 m/s.

AB - The dynamic structure factor S(Q, ω) of the melt of an icosahedral quasicrystal, Al72Pd20Mn8, was measured at 1223 K near the melting point, Tm = 1140 K, for momentum transfers, Q, from 1.5 nm-1 to 5.55 nm-1 by means of inelastic X-ray scattering technique using synchrotron radiation at SPring-8. The composition of Al72Pd20Mn8 is a special one in AlPdMn ternary alloys, since icosahedral AlPdMn quasicrystal is formed directly from the melt. The acoustic mode was observed in the low Q region, and a sound velocity was estimated to be 4170 ± 100 m/s.

KW - Acoustic properties and phonons

KW - Diffraction and scattering measurements

KW - INVALID quasicrystals

KW - Liquid alloys and liquid metals

KW - Quasicrystals

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