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Ultrasonic
study of hydrogen motion in a Ti-Zr-Ni icosahedral quasicrystal and a
1/1 bcc crystal approximant, K. Foster, R. G. Leisure, J. B. Shaklee,
J. Y. Kim and K. F. Kelton, Phys. Rev. B 61, 241 (2000).
Elastic
Moduli of the C-15 Laves-phase materials TaV2, TaV2H(D)x and ZrCr2, K.
Foster, J. E. Hightower, R. G. Leisure and A. V. Skripov, Philos. Mag.
B 80, 1667 (2000).
Ultrasonic
attenuation and dispersion due to hydrogen motion in the C15 Laves-phase
compound TaV2Hx, K. Foster, J. E. Hightower, R. G. Leisure and A. V. Skripov,
J. Phys.: Condens. Matter 13 No 33 (20 August 2001) 7327-7341
Ultrasonic
evidence for strong isotope effects on the local motion of H(D) in TaV2H(D)x,
K. Foster, R. G. Leisure and A. V. Skripov, Phys. Rev. B 64, 214302
(2001).
Temperature
Dependence of the Elastic Shear Modulus of the Laves-phase Materials TaV2
and TaV2Hx, R. G. Leisure, K. Foster, J. E. Hightower, A. Ode, and A.
V. Skripov, J. Alloys and Compounds 330-332, 396 (2002).
Strong
hydrogen-related electronic effects on the shear elastic constant of TaV2H(D)x,
K. Foster, J. E. Hightower, R. G. Leisure, and A. V. Skripov, Phys. Rev.
B 65, 094108 (2002).
Elastic
moduli of polycrystalline LaAlxNi5-x, M. Bereznitsky, A. Ode, J. E. Hightower,
O. Yeheskel, I. Jacob, and R. G. Leisure, J. Appl. Phys. 91, 5010
(2002).
Elastic
moduli of polycrystalline ZrCo as a function of temperature, D. S. Agosta,
J. E. Hightower, K. Foster, R.G. Leisure and Z. Gavra, J. Alloys Compounds
346, 1 (2002).
Elastic properties of intermetallic AB2 and AB5 hydrogen-absorbing
compounds, R.G. Leisure, K. Foster, J.E. Hightower, and D.A. Agosta, J.
Alloys Compounds 356 - 357, 283 (2003).
Internal friction studies by resonant ultrasound spectroscopy,
R.G. Leisure, K. Foster, J.E. Hightower, and D.S. Agosta, Materials Science
and Engineering A (Submitted).
Elastic moduli of polycrystalline TiCr_1.8 over the temperature
range 3 - 410 K, J.E. Atterberry, D.S. Agosta, R.G. Leisure, O. Beeri,
and M.H. Mintz, J. Alloys and Compounds (Accepted).
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