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A narrow-gap semiconductor with a complex crystal structure was recently discovered in the Al–Ru–Si system. To determine the homogeneity range of the semiconductor phase and further discover new phases, phase equilibria in the Al–Ru–Si system near 1200 K were investigated through prolonged-annealing experiments. Eleven new ternary phases including two incommensurate composite-crystalline and an icosahedral quasicrystalline phases were identified using powder and single-crystal X-ray diffraction, and their compositions at two-phase and
three-phase equilibria were evaluated by means of electron-probe X-ray microanalysis. On the basis of the data obtained in this study and those adopted from the literature, a tentative isothermal section of the Al–Ru–Si equilibrium phase diagram near 1200 K was drawn.

権利情報:

• In Copyright
  

キーワード: aluminium–ruthenium–silicon system, phase equilibrium, crystal structure, X-ray diffraction, electron-probe X-ray microanalysis, incommensurate composite crystal, quasicrystal

刊行年月日: 2024-01-01

出版者: Japan Institute of Metals

掲載誌:

• MATERIALS TRANSACTIONS (ISSN: 13475320) vol. 65 issue. 1 p. 18-26 MT-M2023128

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原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.2320/matertrans.mt-m2023128

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更新時刻: 2024-12-13 12:30:48 +0900

MDRでの公開時刻: 2024-12-13 12:30:48 +0900