A variable energy positron annihilation lifetime spectroscopy study of physical aging in thin glassy polymer films

A variable energy positron annihilation lifetime spectroscopy study of physical aging in thin glassy polymer films

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Polymer - Volume 50, Issue 25, 27 November 2009, Pages 6149-6156

Brandon W. Rowe, Steven J. Pas, Anita J. Hill, Ryoichi Suzuki, Benny D. Freeman, D.R. Paul,