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Nanomaterials

Nanomaterials

Photonic crystals formed over time in ancient Roman glass

23 Oct 2023 Isabelle Dumé
A distinctive iridescent patina on an ancient Roman glass fragment stems from a photonic crystal structure that formed naturally within the material over time
Photonic crystal This sample of Roman glass is at the Center of Istituto Italiano di Tecnologia in Venice. (Courtesy:CCHT-IIT/National Archaeological Museum of Aquileia/Italian Ministry of Culture)
A distinctive iridescent patina on an ancient Roman glass fragment stems from a photonic crystal str

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Isabelle Dumé is a contributing editor to Physics World
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