X-ray absorption study of Ti-activated sodium aluminum hydride

J. Graetz; J. J. Reilly; J. Johnson; A. Yu Ignatov; T. A. Tyson

doi:10.1063/1.1773614

X-ray absorption study of Ti-activated sodium aluminum hydride

J. Graetz, J. J. Reilly, J. Johnson, A. Yu Ignatov, T. A. Tyson

Physics

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Abstract

The Ti valence and coordination in Ti-activated sodium alanate were investigated using x-ray absorption spectroscopy. An empirical relationship was established between the Ti valence and the Ti K-edge onset based on a set of standards. A qualitative comparison of the edge fine structure suggests that the Ti is present on the surface in the form of amorphous TiAl ₃. The results indicate that the formal titanium valence is zero in doped sodium alanate and nearly invariant during hydrogen cycling.

Original language	English (US)
Pages (from-to)	500-502
Number of pages	3
Journal	Applied Physics Letters
Volume	85
Issue number	3
DOIs	https://doi.org/10.1063/1.1773614
State	Published - Jul 19 2004

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.1773614

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title = "X-ray absorption study of Ti-activated sodium aluminum hydride",

abstract = "The Ti valence and coordination in Ti-activated sodium alanate were investigated using x-ray absorption spectroscopy. An empirical relationship was established between the Ti valence and the Ti K-edge onset based on a set of standards. A qualitative comparison of the edge fine structure suggests that the Ti is present on the surface in the form of amorphous TiAl 3. The results indicate that the formal titanium valence is zero in doped sodium alanate and nearly invariant during hydrogen cycling.",

author = "J. Graetz and Reilly, {J. J.} and J. Johnson and Ignatov, {A. Yu} and Tyson, {T. A.}",

note = "Funding Information: This work was supported by U.S. DOE Contract No. DE-AC02-98CH10886 and NSF Contract No. DMR-0216858.",

year = "2004",

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T1 - X-ray absorption study of Ti-activated sodium aluminum hydride

AU - Graetz, J.

AU - Reilly, J. J.

AU - Johnson, J.

AU - Ignatov, A. Yu

AU - Tyson, T. A.

N1 - Funding Information: This work was supported by U.S. DOE Contract No. DE-AC02-98CH10886 and NSF Contract No. DMR-0216858.

PY - 2004/7/19

Y1 - 2004/7/19

N2 - The Ti valence and coordination in Ti-activated sodium alanate were investigated using x-ray absorption spectroscopy. An empirical relationship was established between the Ti valence and the Ti K-edge onset based on a set of standards. A qualitative comparison of the edge fine structure suggests that the Ti is present on the surface in the form of amorphous TiAl 3. The results indicate that the formal titanium valence is zero in doped sodium alanate and nearly invariant during hydrogen cycling.

AB - The Ti valence and coordination in Ti-activated sodium alanate were investigated using x-ray absorption spectroscopy. An empirical relationship was established between the Ti valence and the Ti K-edge onset based on a set of standards. A qualitative comparison of the edge fine structure suggests that the Ti is present on the surface in the form of amorphous TiAl 3. The results indicate that the formal titanium valence is zero in doped sodium alanate and nearly invariant during hydrogen cycling.

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JF - Applied Physics Letters

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X-ray absorption study of Ti-activated sodium aluminum hydride

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