[1] Los Alamos Natl Lab, Manuel Lujan Jr Neutron Scattering Ctr, Los Alamos, NM 87545 USA
[2] Univ New Mexico, Ctr Microengineered Mat, Albuquerque, NM 87106 USA
[3] Sandia Natl Labs, Albuquerque, NM 87106 USA
[4] Univ Utrecht, NL-3508 TC Utrecht, Netherlands
[5] Univ Calif Davis, Davis, CA 95616 USA