Polymer Diffusion in Semicrystalline Polymers Using Secondary Ion Mass Spectroscopy Segalman, Rachel A. ; Jacobson, Aaron ; Kramer, Edward J. ; Lustig, Steven R. Abstract Publication: Macromolecules Pub Date: April 2004 DOI: 10.1021/ma035705a Bibcode: 2004MaMol..37.2613S