Article Information
vol. 335 no. 6073 1201-1205
- Received for publication October 14, 2011
- Accepted for publication January 5, 2012
- .
Author Information
- 1Polymer Science and Engineering, University of Massachusetts, Amherst, MA 01003, USA.
- 2Department of Physics, University of Massachusetts, Amherst, MA 01003, USA.
- ↵*To whom correspondence should be addressed. E-mail: csantang{at}physics.umass.edu (C.D.S.); rhayward{at}mail.pse.umass.edu (R.C.H.)