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Published in

Nature Research, Scientific Reports, 1(3), 2013

DOI: 10.1038/srep02319

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Nonvolatile multilevel data storage memory device from controlled ambipolar charge trapping mechanism

Journal article published in 2013 by Ye Zhou ORCID, Su-Ting Han, Prashant Sonar ORCID, V. A. L. Roy
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

The capability of storing multi-bit information is one of the most important challenges in memory technologies. An ambipolar polymer which intrinsically has the ability to transport electrons and holes as a semiconducting layer provides an opportunity for the charge trapping layer to trap both electrons and holes efficiently. Here, we achieved large memory window and distinct multilevel data storage by utilizing the phenomena of ambipolar charge trapping mechanism. As fabricated flexible memory devices display five well-defined data levels with good endurance and retention properties showing potential application in printed electronics.