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- Title
The missing memristor found.
- Authors
Strukov, Dmitri B; Snider, Gregory S; Stewart, Duncan R; Williams, R Stanley
- 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.
- Publication
Nature, 2008, Vol 453, Issue 7191, p80
- ISSN
1476-4687
- Publication type
Journal Article
- DOI
10.1038/nature06932