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Jiyun Kim, Sung-Eun Choi, Howon Lee and Sunghoon Kwon Magnetochromatic Microactuators for a Micropixellated Color-Changing Surface Advanced Materials 25

Version of Record online: 8 JAN 2013 | DOI: 10.1002/adma.201203810

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A magnetically tunable chromatic nanocomposite microactuator is proposed, which utilizes the optical and magnetic behaviors of self-assembled super-paramagnetic nanoparticles fixed in a polymeric microstructure. The original color can be programmed during a simple photolithography process, and the color can be changed just by applying and changing an external magnetic field. These microactuators are capable of acting as pixels in a color-changing pattern.

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