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Nature. 2008 May 1;453(7191):80-3. doi: 10.1038/nature06932.

The missing memristor found.

Author information

  • 1HP Labs, 1501 Page Mill Road, Palo Alto, California 94304, USA.

Erratum in

  • Nature. 2009 Jun 25;459(7250):1154.

Abstract

Anyone who ever took an electronics laboratory class will be familiar with the fundamental passive circuit elements: the resistor, the capacitor and the inductor. However, in 1971 Leon Chua reasoned from symmetry arguments that there should be a fourth fundamental element, which he called a memristor (short for memory resistor). Although he showed that such an element has many interesting and valuable circuit properties, until now no one has presented either a useful physical model or an example of a memristor. Here we show, using a simple analytical example, that memristance arises naturally in nanoscale systems in which solid-state electronic and ionic transport are coupled under an external bias voltage. These results serve as the foundation for understanding a wide range of hysteretic current-voltage behaviour observed in many nanoscale electronic devices that involve the motion of charged atomic or molecular species, in particular certain titanium dioxide cross-point switches.

Comment in

PMID:
18451858
[PubMed]
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