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Ambient Light Alters Refraction in 2D Material

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A two-dimensional array of tantalum disulfide containing microscopic crystals possesses distinct optical characteristics that can be controlled in ambient conditions and under general illumination, according to researchers at Rice University. The technology could prove useful in 3D displays, virtual reality, and self-driving vehicles. The researchers found that when they pull a 2D sliver off a bulk sample and shine light on it, the layered material rearranges the charge density waves of electrons flowing through, altering its refractive index. Atoms in the crystal lattice of tantalum...Read full article

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