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Vibrational Density of States Measurement of Hydrogen Trapped at Disolocations in Deformed PdH0.0008

Published

Author(s)

Brent J. Heuser, Terrence J. Udovic, Hyunsu Ju

Abstract

The vibrational density of states (DOS) of hydrogen trapped at dislocations in deformed PdH0.0008 has been measured at 4 and 295 K with incoherent inelastic neutron scattering. The vibrational DOS at 4 K exhibits features characteristic of the low-temperature ²-Pd hydride phase, while the characteristic peak in the 295 K DOS corresponds to the solid solution ±-Pd phase. This is evidence of a ±'² transition at low temperature within the distorted environment of dislocations.
Citation
Physical Review B
Volume
78

Keywords

alpha phase, beta phase, dislocations, hydrogen, hydride, inelastic neutron scattering, palladium, palladium hydride, vibrational spectroscopy

Citation

Heuser, B. , Udovic, T. and Ju, H. (2008), Vibrational Density of States Measurement of Hydrogen Trapped at Disolocations in Deformed PdH0.0008, Physical Review B, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=610013 (Accessed October 7, 2024)

Issues

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Created December 5, 2008, Updated March 25, 2024