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Characterization of Amorphous and Crystalline TiCuDx By Deuteron Magnetic Resonance

Published online by Cambridge University Press:  26 February 2011

M. P. Volz ,
V. P. Bork ,
P. A. Fedders ,
R. E. Norberg ,
R. C. Bowman Jr. ,
A. J. Maeland  and
J. S. Cantrell
M. P. Volz
Affiliation:
Washington University, St. Louis, Missouri 63130
V. P. Bork
Affiliation:
Washington University, St. Louis, Missouri 63130
P. A. Fedders
Affiliation:
Washington University, St. Louis, Missouri 63130
R. E. Norberg
Affiliation:
Washington University, St. Louis, Missouri 63130
R. C. Bowman Jr.
Affiliation:
The Aerospace Corporation, Los Angeles, California 90009
A. J. Maeland
Affiliation:
Allied/Signal Corporation, Morristown, New Jersey 07960
J. S. Cantrell
Affiliation:
Miami University, Oxford, Ohio 45056
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Abstract

The structure and dynamics of a-TiCu(D,H)1.7 and a-TiCu(D,H)1.4 have been examined by Fourier transform quadrupole echo DMR line shape and relaxation time measurements at 30.7 MHz. The quadrupole-broadened a-TiCu(D,H)x line widths narrowed appreciably above 300 K because of increased D mobility. Low temperature DMR spectra show that static quadrupolar broadening is larger for amorphous samples than for crystalline samples. Deuteron spin lattice relaxation is attributed to conduction electrons below 200 K and to quadrupolar interactions at higher temperatures where deuteron hopping becomes significant. The spin lattice relaxation times indicate that the deuteron mobility is larger by an order of magnitude in the amorphous material than in the crystalline counterparts. Results are compared with those from proton magnetic resonance in corresponding hydrides.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 80: Symposium G – Science and Technology of Rapidly Quenched Alloys , 1986 , 187
Copyright
Copyright © Materials Research Society 1987

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References

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