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    Coating Made from Quantum Material Conceals Temperature Change from IR Cameras

    Article obtained from Photonics RSS Feed.

    An ultrathin coating engineered from samarium nickel oxide (SmNiO3) has been found to emit the same amount of thermal radiation irrespective of temperature, within a range of about 30 °C. The coating, which was developed by engineers at the University of Wisconsin-Madison and exhibits temperature-independent thermal radiation, could someday be used to control the visibility of objects to infrared (IR) cameras.

    The thermally emitted power of most solids increases monotonically with temperature in a one-to-one relationship. However, the researchers found that the use of SmNiO3, a quantum material that undergoes a reversible, temperature-driven solid-state phase transition as an ultrathin thermal emitter, alters this one-to-one…

    Dec, 19 2019 |

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