局所構造解析と結晶構造解析の併用で明らかになったbcc固溶体型水素吸蔵合金の構造

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タイトル別名
  • Local and Average Structures of Hydrogen Absorbing bcc Solid Solution Alloy
  • チュウセイシ サイエンス キョクショ コウゾウ カイセキ ト ケッショウ コウゾウ カイセキ ノ ヘイヨウ デ アキラカ ニ ナッタ bcc コヨウタイガタ スイソ キュウゾウ ゴウキン ノ コウゾウ

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抄録

The local and crystal structures of the (Ti0.45Cr0.35Mo0.20)-D system have been investigatedby neutron powder diffraction and total neutron scattering. From the result of neutronpowder diffraction, the crystal structure of the system was found to change from CaF2-type structure to bcc structure in hydrogen desorption process, and the D atoms occupythe tetrahedral (T) sites in both CaF2-type and bcc phases. The nearest neighbor coordinationnumber around a D atom has been obtained by the RDF analysis of total neutron scatteringdata. The D atoms occupy the T sites surrounded mainly by the Ti atoms in both CaF2-type and bcc phases.

収録刊行物

  • 波紋

    波紋 17 (3), 177-180, 2007

    日本中性子科学会

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