surface plasmon??

physicist888

hi
Can anyone explain to me what's the surface plasmon???
thanks

excalibur313

Its a collective oscillation of the electron density in a metal. It's most prominent in Au, Ag, and Cu, possibly due to the low imaginary part of the dielectric constant which means that the oscillations are more pronounced and less dampened.

Gokul43201

What excalibur described is any plasmon - the vibrational eigenmode of the entire electron gas about the positive lattice. A surface plasmon is specifically that mode which propagates along the surface of a metal or the interface between two.

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physicist888	surface plasmon?? Tweet hi Can anyone explain to me what's the surface plasmon??? thanks

excalibur313	Its a collective oscillation of the electron density in a metal. It's most prominent in Au, Ag, and Cu, possibly due to the low imaginary part of the dielectric constant which means that the oscillations are more pronounced and less dampened.

Gokul43201 Recognitions: Gold Member Science Advisor Staff Emeritus	What excalibur described is any plasmon - the vibrational eigenmode of the entire electron gas about the positive lattice. A surface plasmon is specifically that mode which propagates along the surface of a metal or the interface between two.