When a metal element reacts with a non-metal element an ionic compound is formed. When a non-metal element reacts with a non-metal element a covalent bond is formed. Structures and properties ...
Abstract: Novel Fabry-Pérot resonator-based compound Huygens' structure with two all-dielectric metasurface layers is proposed and experimentally demonstrated. This design consists of two dielectric ...
Reuters, the news and media division of Thomson Reuters, is the world’s largest multimedia news provider, reaching billions of people worldwide every day. Reuters provides business, financial, ...
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