Memory Metamaterials

Physics – Condensed Matter – Mesoscale and Nanoscale Physics

Scientific paper

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Article and Supplementary Information. Published in Science 18 Sept 2009. Demonstration of memory-capacitance and memristance

Scientific paper

10.1126/science.1176580

The resonant elements that grant metamaterials their unique properties have the fundamental limitation of restricting their useable frequency bandwidth. The development of frequency-agile metamaterials has helped to alleviate these bandwidth restrictions by allowing real-time tuning of the metamaterial frequency response. We demonstrate electrically-controlled persistent frequency tuning of a metamaterial, allowing lasting modification of its response using a transient stimulus. This work demonstrates a form of memory capacitance which interfaces metamaterials with a class of devices known collectively as memory devices.

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