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

Document Type

Article

Publication Date

7-19-2004

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.

Identifier

4043105543 (Scopus)

Publication Title

Applied Physics Letters

External Full Text Location

https://doi.org/10.1063/1.1773614

ISSN

00036951

First Page

500

Last Page

502

Issue

3

Volume

85

Grant

DE-AC02-98CH10886

Fund Ref

U.S. Department of Energy

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