In situ characterization of one-dimensional plasmonic Ag nanocluster arrays

R. Verre; K. Fleischer; R. G. S. Sofin; N. McAlinden; J. F. McGilp; I. V. Shvets

doi:10.1103/PhysRevB.83.125432

In situ characterization of one-dimensional plasmonic Ag nanocluster arrays

R. Verre, K. Fleischer, R. G. S. Sofin, N. McAlinden, J. F. McGilp, I. V. Shvets

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

One-dimensional Ag nanoparticle arrays have been grown on step-bunched vicinal Al2O3 in ultrahigh vacuum using deposition at a glancing angle. The structures grown showed a strong optical anisotropy in the visible region of the spectrum. The optical anisotropy was measured in situ using reflection anisotropy spectroscopy. Relevant optical properties were determined as a function of deposition angle and Ag thickness. A simple phenomenological model was developed to reproduce the features seen in the spectra. With this model it was possible to use the inhomogeneous broadening as a guide to the nanoparticle dispersion.

Original language	English
Article number	125432
Pages (from-to)	-
Number of pages	9
Journal	Physical Review B
Volume	83
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevB.83.125432
Publication status	Published - 30 Mar 2011

Keywords

nanoparticle chain arrays
optical reflectance
anisotropy spectroscopy
silver nanoparticles
diffraction limit
alpha-alumina
resonance

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10.1103/PhysRevB.83.125432

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abstract = "One-dimensional Ag nanoparticle arrays have been grown on step-bunched vicinal Al2O3 in ultrahigh vacuum using deposition at a glancing angle. The structures grown showed a strong optical anisotropy in the visible region of the spectrum. The optical anisotropy was measured in situ using reflection anisotropy spectroscopy. Relevant optical properties were determined as a function of deposition angle and Ag thickness. A simple phenomenological model was developed to reproduce the features seen in the spectra. With this model it was possible to use the inhomogeneous broadening as a guide to the nanoparticle dispersion.",

keywords = "nanoparticle chain arrays, optical reflectance, anisotropy spectroscopy, silver nanoparticles, diffraction limit, alpha-alumina, resonance",

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AU - Verre, R.

AU - Fleischer, K.

AU - Sofin, R. G. S.

AU - McAlinden, N.

AU - McGilp, J. F.

AU - Shvets, I. V.

PY - 2011/3/30

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N2 - One-dimensional Ag nanoparticle arrays have been grown on step-bunched vicinal Al2O3 in ultrahigh vacuum using deposition at a glancing angle. The structures grown showed a strong optical anisotropy in the visible region of the spectrum. The optical anisotropy was measured in situ using reflection anisotropy spectroscopy. Relevant optical properties were determined as a function of deposition angle and Ag thickness. A simple phenomenological model was developed to reproduce the features seen in the spectra. With this model it was possible to use the inhomogeneous broadening as a guide to the nanoparticle dispersion.

AB - One-dimensional Ag nanoparticle arrays have been grown on step-bunched vicinal Al2O3 in ultrahigh vacuum using deposition at a glancing angle. The structures grown showed a strong optical anisotropy in the visible region of the spectrum. The optical anisotropy was measured in situ using reflection anisotropy spectroscopy. Relevant optical properties were determined as a function of deposition angle and Ag thickness. A simple phenomenological model was developed to reproduce the features seen in the spectra. With this model it was possible to use the inhomogeneous broadening as a guide to the nanoparticle dispersion.

KW - nanoparticle chain arrays

KW - optical reflectance

KW - anisotropy spectroscopy

KW - silver nanoparticles

KW - diffraction limit

KW - alpha-alumina

KW - resonance

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In situ characterization of one-dimensional plasmonic Ag nanocluster arrays

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Keywords

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