Structure refinement of i-Al-Pd-Re quasicrystals by synchrotron radiation data

A. Yamamoto; H. Takakura; T. Ozeki; Ampo Sai; Y. Ohashi

doi:10.1016/j.jnoncrysol.2003.11.030

Structure refinement of i-Al-Pd-Re quasicrystals by synchrotron radiation data

A. Yamamoto, H. Takakura, T. Ozeki, Ampo Sai, Y. Ohashi

Research output: Contribution to journal › Conference article › peer-review

7 Citations (Scopus)

Abstract

A structure of an icosahedral Al-Pd-Re (i-Al-Pd-Re) quasicrystal analyzed by using an imaging plate Weissenberg camera and synchrotron radiation is reported for the first time. An initial model for the refinement has been determined by the low-density elimination method (LDEM). The electron density in six-dimensional space showed that this phase is isostructural to i-Al-Pd-Mn, and its Re sites correspond to the Mn sites in the latter. The structure refinement gave an R-factor of 0.076 for 1312 independent reflections. Some atoms are shifted significantly from their ideal positions and some atom sites in i-Al-Pd-Mn are unoccupied.

Original language	English
Pages (from-to)	151-155
Number of pages	5
Journal	Journal of Non-Crystalline Solids
Volume	334-335
DOIs	https://doi.org/10.1016/j.jnoncrysol.2003.11.030
Publication status	Published - 2004 Mar 15
Externally published	Yes
Event	8th International Conference on Quasicrystals - Bangalore, India Duration: 2002 Sep 8 → 2002 Sep 13

ASJC Scopus subject areas

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

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title = "Structure refinement of i-Al-Pd-Re quasicrystals by synchrotron radiation data",

abstract = "A structure of an icosahedral Al-Pd-Re (i-Al-Pd-Re) quasicrystal analyzed by using an imaging plate Weissenberg camera and synchrotron radiation is reported for the first time. An initial model for the refinement has been determined by the low-density elimination method (LDEM). The electron density in six-dimensional space showed that this phase is isostructural to i-Al-Pd-Mn, and its Re sites correspond to the Mn sites in the latter. The structure refinement gave an R-factor of 0.076 for 1312 independent reflections. Some atoms are shifted significantly from their ideal positions and some atom sites in i-Al-Pd-Mn are unoccupied.",

author = "A. Yamamoto and H. Takakura and T. Ozeki and Ampo Sai and Y. Ohashi",

year = "2004",

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doi = "10.1016/j.jnoncrysol.2003.11.030",

language = "English",

volume = "334-335",

pages = "151--155",

journal = "Journal of Non-Crystalline Solids",

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note = "8th International Conference on Quasicrystals ; Conference date: 08-09-2002 Through 13-09-2002",

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TY - JOUR

T1 - Structure refinement of i-Al-Pd-Re quasicrystals by synchrotron radiation data

AU - Yamamoto, A.

AU - Takakura, H.

AU - Ozeki, T.

AU - Sai, Ampo

AU - Ohashi, Y.

PY - 2004/3/15

Y1 - 2004/3/15

N2 - A structure of an icosahedral Al-Pd-Re (i-Al-Pd-Re) quasicrystal analyzed by using an imaging plate Weissenberg camera and synchrotron radiation is reported for the first time. An initial model for the refinement has been determined by the low-density elimination method (LDEM). The electron density in six-dimensional space showed that this phase is isostructural to i-Al-Pd-Mn, and its Re sites correspond to the Mn sites in the latter. The structure refinement gave an R-factor of 0.076 for 1312 independent reflections. Some atoms are shifted significantly from their ideal positions and some atom sites in i-Al-Pd-Mn are unoccupied.

AB - A structure of an icosahedral Al-Pd-Re (i-Al-Pd-Re) quasicrystal analyzed by using an imaging plate Weissenberg camera and synchrotron radiation is reported for the first time. An initial model for the refinement has been determined by the low-density elimination method (LDEM). The electron density in six-dimensional space showed that this phase is isostructural to i-Al-Pd-Mn, and its Re sites correspond to the Mn sites in the latter. The structure refinement gave an R-factor of 0.076 for 1312 independent reflections. Some atoms are shifted significantly from their ideal positions and some atom sites in i-Al-Pd-Mn are unoccupied.

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DO - 10.1016/j.jnoncrysol.2003.11.030

M3 - Conference article

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VL - 334-335

SP - 151

EP - 155

JO - Journal of Non-Crystalline Solids

JF - Journal of Non-Crystalline Solids

SN - 0022-3093

T2 - 8th International Conference on Quasicrystals

Y2 - 8 September 2002 through 13 September 2002

ER -