In situ observation of ErD2 formation during D2 loading via neutron diffraction

In an effort to better understand the structural changes occurring during hydrogen loading of erbium target materials, we have performed in situ D2 loading of erbium metal (powder) at temperature (450°C) with simultaneous neutron diffraction analysis. This experiment tracked the conversion of Er met...

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Published in:Powder diffraction 2011-06, Vol.26 (2), p.144-148
Main Authors: Rodriguez, Mark A., Snow, Clark S., Wixom, Ryan R., Llobet, Anna, Browning, James F.
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container_issue 2
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container_title Powder diffraction
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creator Rodriguez, Mark A.
Snow, Clark S.
Wixom, Ryan R.
Llobet, Anna
Browning, James F.
description In an effort to better understand the structural changes occurring during hydrogen loading of erbium target materials, we have performed in situ D2 loading of erbium metal (powder) at temperature (450°C) with simultaneous neutron diffraction analysis. This experiment tracked the conversion of Er metal to the α erbium deuteride (solid-solution) phase and then into the β (fluorite) phase. Complete conversion to ErD2.0 was accomplished at 10 Torr D2 pressure with deuterium fully occupying the tetrahedral sites in the fluorite lattice.
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title In situ observation of ErD2 formation during D2 loading via neutron diffraction
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