Title of article :
Crystal structure of the novel Mg3MnNi2D3−x interstitial deuteride
Author/Authors :
Denys، نويسنده , , R.V. and Riabov، نويسنده , , A.R. and Berezovets، نويسنده , , V.V. and Koval’chuk، نويسنده , , I.V. and ?ern?، نويسنده , , R. and Zavaliy، نويسنده , , I.Yu، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2011
Abstract :
A novel low-temperature hydride, Mg3MnNi2D3−x with filled Ti2Ni-type structure has been synthesised and its crystal structure has been studied in detail by powder neutron diffraction. Refinement of the structures of β-Mg3MnNi2D1.83 and α-Mg3MnNi2D0.23 deuteride phases showed that D atoms partially fill 16d Mg6 octahedral and 32e Mg3Ni tetrahedral interstices in the cubic metal matrix (sp.gr. F d 3 ¯ m ). The β-hydride was found to be rather unstable, during storage in air it transforms into α-hydride.
Keywords :
B. Crystal chemistry of intermetallics , A. Ternary alloy systems , B. Hydrogen storage , C. Mechanical alloying and milling , F. Diffraction (neutron and X-ray)
Journal title :
Intermetallics
Journal title :
Intermetallics
