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HomeMaterials Science ForumMaterials Science Forum Vol. 847Structure of LaNi3.8AlMn0.2D3.2 Compound Studied...

Structure of LaNi_3.8AlMn_0.2D_3.2 Compound Studied by Neutron Powder Diffraction

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Abstract:

The intermetallic alloy LaNi_3.8AlMn_0.2and its deuteride LaNi_3.8AlMn_0.2D_3.2were studied by neutron powder diffraction. The experimental results show that the crystal structure of LaNi_3.8AlMn_0.2 is CaCu₅type with the hexagonal P6/mmm space group, the substituted Al atoms occupy 2c and 3g sites, while Mn atoms are only located on the 3g sites. For the corresponding deuteride LaNi_3.8AlMn_0.2D_3.2, the P6/mmm space group gives the best refinement, but D atoms enter two interstitial sites 6m and 12n.

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Periodical:

Materials Science Forum (Volume 847)

Pages:

22-25

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.847.22

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Online since:

March 2016

Authors:

Hao Guo, Wen Ze Han, Kai Sun*, De Min Chen, Shi Liu, Er Dong Wu, Yun Tao Liu, Dong Feng Chen

Keywords:

Crystal Structure, Hydrogen Storage Materials, LaNi_3.8AlMn_0.2D_3.2, Neutron Powder Diffraction

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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