Isotope effect on the rotational tunneling transitions of methyl groups in glassy polymers
A. J. Moreno, A. Alegría, J. Colmenero, and B. Frick
Phys. Rev. B 59, 5983 (1999) - Published 1 March, 1999
Grain-size limit of polycrystalline materials
N. X. Sun and K. Lu
Phys. Rev. B 59, 5987 (1999) - Published 1 March, 1999