Incomplete Filament Crystallization During Set Operation in PCM Cells Mantegazza, D. ; Ielmini, D. ; Pirovano, A. ; Lacaita, A. L. Abstract Publication: IEEE Electron Device Letters Pub Date: April 2010 DOI: 10.1109/LED.2010.2042273 Bibcode: 2010IEDL...31..341M