Piezoelectricity enhancement of P(VDF/TrFE) by X-ray irradiation

Organic electronics is becoming more and more important because the low level of fabrication and deposition complexity even at large scale makes it a good candidate for future low cost technological product development. P(VDF-TrFE) is a co-polymer of special interest due its ferroelectric property enabling usage in re-programmable non-volatile...

Field-effect memory transistors based on arrays of nanowires of a ferroelectric polymer

Ferroelectric poly(vinylidene fluoride-co-trifluoroethylene), P(VDF-TrFE), is increasingly used in organic non-volatile memory devices, e.g., in ferroelectric field effect transistors (FeFETs). Here, we report on FeFETs integrating nanoimprinted arrays of P(VDF-TrFE) nanowires. Two previously-unreported architectures are tested, the first one...

3D-morphology reconstruction of nanoscale phase-separation in polymer memory blends

In many organic electronic devices functionality is achieved by blending two or more materials, typically polymers or molecules, with distinctly different optical or electrical properties in a single film. The local scale morphology of such blends is vital for the device performance. Here, a simple approach to study the full 3D morphology of...

An organic charge trapping memory transistor with bottom source and drain contacts

We present an organic charge trapping memory transistor with lithographically defined bottom source and drain contacts. This device can be written and erased at voltages as low as 15 V. More than 500 write and erase cycles and the retention of the trapped charge over more than three months are shown, demonstrating the possibilities of this...