화학공학소재연구정보센터
Advanced Materials, Vol.19, No.4, 581-581, 2007
Localized pressure-induced ferroelectric pattern arrays of semicrystalline poly(vinylidene fluoride) by microimprinting
A polymer ferroelectric array embedded in an insulating paraelectric medium, with potential uses in nonvolatile memories, is fabricated by microim-printing poly(vinylidene fluoride) (PVDF) a patterned poly(dimethylsiloxane) with mold. The localized pressure induces a polymorphic transition into ferroelectric gamma-type PVDF, whereas the unpressed raised areas (see figure) remain of the a type (paraelectric).