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Nanoscale Organic Ferroelectric Resistive Switches
Eindhoven University of Technology, Netherlands; TNO, Netherlands.
TNO, Netherlands.
TNO, Netherlands.
TNO, Netherlands.
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2014 (English)In: The Journal of Physical Chemistry C, ISSN 1932-7447, E-ISSN 1932-7455, Vol. 118, no 6, 3305-3312 p.Article in journal (Refereed) Published
Abstract [en]

Organic ferroelectric resistive switches function by grace of nanoscale phase separation in a blend of a semiconducting and a ferroelectric polymer that is sandwiched between metallic electrodes. In this work, various scanning probe techniques are combined with numerical modeling to unravel their operational mechanism. Resistive switching is shown to result from modulation of the charge injection barrier at the semiconductor-electrode interfaces. The modulation is driven by the stray field of the polarization charges in the ferroelectric phase and consequently is restricted to regions where semiconductor and ferroelectric phases exist in close vicinity. Since each semiconductor domain can individually be switched and read out, a novel, nanoscale memory element is demonstrated. An ultimate information density of similar to 30 Mb/cm(2) is estimated for this bottom-up defined memory device.

Place, publisher, year, edition, pages
American Chemical Society (ACS), 2014. Vol. 118, no 6, 3305-3312 p.
National Category
Condensed Matter Physics
URN: urn:nbn:se:liu:diva-116207DOI: 10.1021/jp409757mISI: 000331493400048OAI: diva2:797886

Funding Agencies|European Community [248092]

Available from: 2015-03-25 Created: 2015-03-25 Last updated: 2015-05-12Bibliographically approved

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Kemerink, Martijn
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