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Showing 1 to 1 of 1 for “"Materials Transformation"”.
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Realization of a 3D gradient index medium in porous silicon
Porous silicon (PSi) and derivative materials like thermally oxidized porous silicon dioxide (PSiO2) are effective medium composites composed of anisotropic columns of solid material (Si or SiO2) and void. During its electrochemical porosification, the material’s refractive index is defined by …