ALLOYS OF NOBLE METALS WITH AUGMENTED QUALITY FACTORS OF SURFACE PLASMONS
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United States of America Patent
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Aug 1, 2019
app pub date -
Jan 30, 2019
filing date -
Jan 30, 2019
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Abstract
A set of improved substrates for plasmonic applications characterized by specific characteristics of surface plasmons, such as resonance frequencies, manifesting, notably, as a change of perceived color of said alloys, as well as alteration of surface plasmon energies and generation efficiency compared to the constituent elements. The disclosed compositions include alloys of gold, platinum, and palladium with other chemical elements, especially alkali metals (such as potassium, and rubidium), alkali earth metals (such as magnesium and barium) as well as transition metals (such as tin and zirconium).
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