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Published February 14, 2005 | public
Journal Article Open

Structural influence on atomic hopping and electronic states of Pd-based bulk metallic glasses


Atomic motion and electronic structures of Pd–Ni–Cu–P bulk metallic glasses were investigated using 31P nuclear magnetic resonance. The hopping rate of P atoms was determined by the stimulated echo technique. Significant hopping was observed in all alloys well below the glass transition temperature. Increasing the Cu content to above 25 at. % increases P hopping significantly, consistent with the previous finding that the openness of the structure increases with Cu content. In contrast, P hopping is not influenced by changes of local electronic states at P sites, induced by the substitution of Ni by Cu.

Additional Information

©2005 American Institute of Physics (Received 24 June 2004; accepted 21 December 2004; published online 9 February 2005) This work was supported by the US Army Research Office (Grant No. DAAD19-02-1-0225).


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