electromagnetic field enhancement

What are the Key Factors Influencing It?

Several factors influence electromagnetic field enhancement, including:
Particle size: Smaller particles typically exhibit stronger enhancement.
Shape and morphology: Rods, spheres, and other shapes can affect the resonance and field distribution.
Material composition: Gold and silver are commonly used due to their favorable plasmonic properties.
Surrounding medium: The refractive index of the medium around the nanoparticles can shift the resonance frequency.

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