a
Center for Nanophase Materials Sciences (CNMS), Oak Ridge National Laboratory, Oak Ridge, USA
E-mail: nmr@ornl.gov
;
Fax: +1-865-574-1753
;
Tel: +1-865-574-4626
b
CanmetMATERIALS, Natural Resources Canada, South, Hamilton, Canada L8P 0A5
c
Department of Mechanical Engineering, McMaster University, Hamilton, Canada
d
World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba 305-0044, Japan
e
Center for Nanoscale Materials, Argonne National Laboratory, Argonne, USA
f
Institute for Molecular Engineering, University of Chicago, Chicago, USA