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2010 ; 11
(5
): 054506
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Plasmons in nanoscale and atomic-scale systems
#MMPMID27877363
Nagao T
; Han G
; Hoang C
; Wi JS
; Pucci A
; Weber D
; Neubrech F
; Silkin VM
; Enders D
; Saito O
; Rana M
Sci Technol Adv Mater
2010[Oct]; 11
(5
): 054506
PMID27877363
show ga
Plasmons in metallic nanomaterials exhibit very strong size and shape effects,
and thus have recently gained considerable attention in nanotechnology,
information technology, and life science. In this review, we overview the
fundamental properties of plasmons in materials with various dimensionalities and
discuss the optical functional properties of localized plasmon polaritons in
nanometer-scale to atomic-scale objects. First, the pioneering works on plasmons
by electron energy loss spectroscopy are briefly surveyed. Then, we discuss the
effects of atomistic charge dynamics on the dispersion relation of propagating
plasmon modes, such as those for planar crystal surface, atomic sheets and
straight atomic wires. Finally, standing-wave plasmons, or antenna resonances of
plasmon polariton, of some widely used nanometer-scale structures and
atomic-scale wires (the smallest possible plasmonic building blocks) are
exemplified along with their applications.