Structural and hydriding properties of (Mg1-xAlx)Ni-H(D) with amorphous or CsCl-type cubic structure (x = 0-0.5)

S. Orimo, K. Ikeda, H. Fujii, S. Saruki, T. Fukunaga, A. Züttel, L. Schlapbach

研究成果: Article査読

39 被引用数 (Scopus)

抄録

The amorphous phase is formed in (Mg1-xAlx)Ni with x = 0-0.2, while the crystalline phase of a CsCl-type cubic structure is formed with x = 0.3-0.5 even in the as-mechanically-alloyed states. The total radial distribution functions for X-ray and neutron diffractions show that deuterium in MgNi, that is, x = 0, occupies the interstitial tetrahedral site composed of nearly 2Mg2Ni. Electrochemical P-C (hydrogen pressure-composition) isotherm measurements revealed that there is an obvious miscibility-gap pressure higher than 10-4 MPa at room temperature even in MgNi, and that the pressure increases by the A1 substitution.

本文言語English
ページ(範囲)4519-4525
ページ数7
ジャーナルActa Materialia
46
13
DOI
出版ステータスPublished - 1998 8月 10
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • セラミックおよび複合材料
  • ポリマーおよびプラスチック
  • 金属および合金

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