Abstract

A full-interaction electromagnetic approach is applied to interpret the local- and far-field properties of AuAg alloy nanoplanets (i.e. a central cluster surrounded by small “satellite” clusters very close to its surface) fabricated in silica by ion implantation and ion irradiation techniques. Optical extinction spectroscopy reveals a large plasmon redshift which is dependent on the irradiation conditions. Simulations strongly suggest that the peculiar topological arrangement of the satellite clusters is responsible for the observed plasmonic features. Theoretical results also indicate that strong local-field enhancement is obtained between coupled clusters. Calculations for Ag models show that enhancement factors as high as ~100 are readily achievable.

©2007 Optical Society of America

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References

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  1. U. Kreibig and M. Vollmer, Optical Properties of Metal Nanoclusters (Springer, 1995).
  2. S. Link and M. A. El-Sayed, “Shape and size dependence of radiative, non-radiative and photothermal properties of gold nanocrystals,” Int. Rev. Phys. Chem. 19, 409–453 (2000).
    [Crossref]
  3. G. Battaglin, P. Calvelli, E. Cattaruzza, F. Gonella, R. Polloni, G. Mattei, and P. Mazzoldi, “Z-scan study on the nonlinear refractive index of copper nanocluster composite silica glass,” Appl. Phys. Lett. 78, 3953–3955 (2001).
    [Crossref]
  4. J. J. Penninkhof, A. Polman, L. A. Sweatlock, S. A. Maier, H. A. Atwater, A. M. Vredenberg, and B. J. Kooi, “Mega-electron-volt ion beam induced anisotropic plasmon resonance of silver nanocrystals in glass,” Appl. Phys. Lett. 83, 4137–4139 (2003).
    [Crossref]
  5. S. L. Zou, N. Janel, and G. C. Schatz, “Silver nanoparticle array structures that produce remarkably narrow plasmon lineshapes,” J. Chem. Phys. 120, 10,871–10,875 (2004).
    [Crossref]
  6. L. A. Sweatlock, S. A. Maier, H. A. Atwater, J. J. Penninkhof, and A. Polman, “Highly confined electromagnetic fields in arrays of strongly coupled Ag nanoparticles,” Phys. Rev. B 71, 235,408 (2005).
    [Crossref]
  7. G. Mattei, G. D. Marchi, C. Maurizio, P. Mazzoldi, C. Sada, V. Bello, and G. Battaglin, “Chemical- or radiationassisted selective dealloying in bimetallic nanoclusters,” Phys. Rev. Lett. 90, 085,502 (2003).
    [Crossref]
  8. M. Gaudry, J. Lerme, E. Cottancin, M. Pellarin, J. L. Vialle, M. Broyer, B. Prevel, M. Treilleux, and P. Melinon, “Optical properties of (AuxAg1-x)(n) clusters embedded in alumina: Evolution with size and stoichiometry,” Phys. Rev. B 6408, 085,407 (2001).
  9. K. R. Li, M. I. Stockman, and D. J. Bergman, “Self-similar chain of metal nanospheres as an efficient nanolens,” Phys. Rev. Lett. 91, 227,402 (2003).
    [Crossref]
  10. C. Sonnichsen, B. M. Reinhard, J. Liphardt, and A. P. Alivisatos, “A molecular ruler based on plasmon coupling of single gold and silver nanoparticles,” Nat. Biotechnol. 23, 741–745 (2005).
    [Crossref] [PubMed]
  11. J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
    [Crossref]
  12. C. E. Talley, J. B. Jackson, C. Oubre, N. K. Grady, C. W. Hollars, S. M. Lane, T. R. Huser, P. Nordlander, and N. J. Halas, “Surface-enhanced Raman scattering from individual Au nanoparticles and nanoparticle dimer substrates,” Nano Lett. 5, 1569–1574 (2005).
    [Crossref] [PubMed]
  13. M. Quinten, A. Leitner, J. R. Krenn, and F. R. Aussenegg, “Electromagnetic energy transport via linear chains of silver nanoparticles,” Opt. Lett. 23, 1331–1333 (1998).
    [Crossref]
  14. S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2, 229–232 (2003).
    [Crossref] [PubMed]
  15. D. E. Aspnes, “Local-Field Effects and Effective-Medium Theory - a Microscopic Perspective,” Am. J. Phys. 50, 704–709 (1982).
    [Crossref]
  16. Y. L. Xu, “Electromagnetic Scattering by an Aggregate of Spheres,” Appl. Optics 34, 4573–4588 (1995).
    [Crossref]
  17. G. Pellegrini, G. Mattei, V. Bello, and P. Mazzoldi, “Interacting metal nanoparticles: Optical properties from nanoparticle dimers to core-satellite systems,” Mat. Sci. Eng. C (to be published).
  18. G. Mattei, “Alloy nanoclusters in dielectric matrix,” Nucl. Instrum. Methods Phys. Res. B 191, 323–332 (2002).
    [Crossref]
  19. V. Bello, G. De Marchi, C. Maurizio, G. Mattei, P. Mazzoldi, M. Parolin, and C. Sada, “Ion irradiation for controlling composition and structure of metal alloy nanoclusters in SiO2,” J. Non-Cryst. Solids345–46, 685–688 (2004).
  20. S. Link, Z. L. Wang, and M. A. El-Sayed, “Alloy formation of gold-silver nanoparticles and the dependence of the plasmon absorption on their composition,” J. Phys. Chem. B 103, 3529–3533 (1999).
    [Crossref]
  21. P. Mazzoldi and G. Mattei, “Potentialities of ion implantation for the synthesis and modification of metal nanoclusters,” Riv. Del Nuovo Cimento 28, 1–69 (2005).
  22. K. Ripken, “Die optischen Konstanten von Au, Ag und ihren Legierungen im Energiebereich 2,4 bis 4,4 eV,” Z. Physik 50, 228–234 (1972).
    [Crossref]
  23. H. Hovel, S. Fritz, A. Hilger, U. Kreibig, and M. Vollmer, “Width of Cluster Plasmon Resonances - Bulk Dielectric Functions and Chemical Interface Damping,” Phys. Rev. B 48, 18,178–18,188 (1993).
    [Crossref]

2005 (4)

L. A. Sweatlock, S. A. Maier, H. A. Atwater, J. J. Penninkhof, and A. Polman, “Highly confined electromagnetic fields in arrays of strongly coupled Ag nanoparticles,” Phys. Rev. B 71, 235,408 (2005).
[Crossref]

C. Sonnichsen, B. M. Reinhard, J. Liphardt, and A. P. Alivisatos, “A molecular ruler based on plasmon coupling of single gold and silver nanoparticles,” Nat. Biotechnol. 23, 741–745 (2005).
[Crossref] [PubMed]

C. E. Talley, J. B. Jackson, C. Oubre, N. K. Grady, C. W. Hollars, S. M. Lane, T. R. Huser, P. Nordlander, and N. J. Halas, “Surface-enhanced Raman scattering from individual Au nanoparticles and nanoparticle dimer substrates,” Nano Lett. 5, 1569–1574 (2005).
[Crossref] [PubMed]

P. Mazzoldi and G. Mattei, “Potentialities of ion implantation for the synthesis and modification of metal nanoclusters,” Riv. Del Nuovo Cimento 28, 1–69 (2005).

2004 (2)

V. Bello, G. De Marchi, C. Maurizio, G. Mattei, P. Mazzoldi, M. Parolin, and C. Sada, “Ion irradiation for controlling composition and structure of metal alloy nanoclusters in SiO2,” J. Non-Cryst. Solids345–46, 685–688 (2004).

S. L. Zou, N. Janel, and G. C. Schatz, “Silver nanoparticle array structures that produce remarkably narrow plasmon lineshapes,” J. Chem. Phys. 120, 10,871–10,875 (2004).
[Crossref]

2003 (4)

J. J. Penninkhof, A. Polman, L. A. Sweatlock, S. A. Maier, H. A. Atwater, A. M. Vredenberg, and B. J. Kooi, “Mega-electron-volt ion beam induced anisotropic plasmon resonance of silver nanocrystals in glass,” Appl. Phys. Lett. 83, 4137–4139 (2003).
[Crossref]

G. Mattei, G. D. Marchi, C. Maurizio, P. Mazzoldi, C. Sada, V. Bello, and G. Battaglin, “Chemical- or radiationassisted selective dealloying in bimetallic nanoclusters,” Phys. Rev. Lett. 90, 085,502 (2003).
[Crossref]

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2, 229–232 (2003).
[Crossref] [PubMed]

K. R. Li, M. I. Stockman, and D. J. Bergman, “Self-similar chain of metal nanospheres as an efficient nanolens,” Phys. Rev. Lett. 91, 227,402 (2003).
[Crossref]

2002 (1)

G. Mattei, “Alloy nanoclusters in dielectric matrix,” Nucl. Instrum. Methods Phys. Res. B 191, 323–332 (2002).
[Crossref]

2001 (2)

M. Gaudry, J. Lerme, E. Cottancin, M. Pellarin, J. L. Vialle, M. Broyer, B. Prevel, M. Treilleux, and P. Melinon, “Optical properties of (AuxAg1-x)(n) clusters embedded in alumina: Evolution with size and stoichiometry,” Phys. Rev. B 6408, 085,407 (2001).

G. Battaglin, P. Calvelli, E. Cattaruzza, F. Gonella, R. Polloni, G. Mattei, and P. Mazzoldi, “Z-scan study on the nonlinear refractive index of copper nanocluster composite silica glass,” Appl. Phys. Lett. 78, 3953–3955 (2001).
[Crossref]

2000 (1)

S. Link and M. A. El-Sayed, “Shape and size dependence of radiative, non-radiative and photothermal properties of gold nanocrystals,” Int. Rev. Phys. Chem. 19, 409–453 (2000).
[Crossref]

1999 (2)

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

S. Link, Z. L. Wang, and M. A. El-Sayed, “Alloy formation of gold-silver nanoparticles and the dependence of the plasmon absorption on their composition,” J. Phys. Chem. B 103, 3529–3533 (1999).
[Crossref]

1998 (1)

1995 (1)

Y. L. Xu, “Electromagnetic Scattering by an Aggregate of Spheres,” Appl. Optics 34, 4573–4588 (1995).
[Crossref]

1993 (1)

H. Hovel, S. Fritz, A. Hilger, U. Kreibig, and M. Vollmer, “Width of Cluster Plasmon Resonances - Bulk Dielectric Functions and Chemical Interface Damping,” Phys. Rev. B 48, 18,178–18,188 (1993).
[Crossref]

1982 (1)

D. E. Aspnes, “Local-Field Effects and Effective-Medium Theory - a Microscopic Perspective,” Am. J. Phys. 50, 704–709 (1982).
[Crossref]

1972 (1)

K. Ripken, “Die optischen Konstanten von Au, Ag und ihren Legierungen im Energiebereich 2,4 bis 4,4 eV,” Z. Physik 50, 228–234 (1972).
[Crossref]

Alivisatos, A. P.

C. Sonnichsen, B. M. Reinhard, J. Liphardt, and A. P. Alivisatos, “A molecular ruler based on plasmon coupling of single gold and silver nanoparticles,” Nat. Biotechnol. 23, 741–745 (2005).
[Crossref] [PubMed]

Aspnes, D. E.

D. E. Aspnes, “Local-Field Effects and Effective-Medium Theory - a Microscopic Perspective,” Am. J. Phys. 50, 704–709 (1982).
[Crossref]

Atwater, H. A.

L. A. Sweatlock, S. A. Maier, H. A. Atwater, J. J. Penninkhof, and A. Polman, “Highly confined electromagnetic fields in arrays of strongly coupled Ag nanoparticles,” Phys. Rev. B 71, 235,408 (2005).
[Crossref]

J. J. Penninkhof, A. Polman, L. A. Sweatlock, S. A. Maier, H. A. Atwater, A. M. Vredenberg, and B. J. Kooi, “Mega-electron-volt ion beam induced anisotropic plasmon resonance of silver nanocrystals in glass,” Appl. Phys. Lett. 83, 4137–4139 (2003).
[Crossref]

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2, 229–232 (2003).
[Crossref] [PubMed]

Aussenegg, F. R.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

M. Quinten, A. Leitner, J. R. Krenn, and F. R. Aussenegg, “Electromagnetic energy transport via linear chains of silver nanoparticles,” Opt. Lett. 23, 1331–1333 (1998).
[Crossref]

Battaglin, G.

G. Mattei, G. D. Marchi, C. Maurizio, P. Mazzoldi, C. Sada, V. Bello, and G. Battaglin, “Chemical- or radiationassisted selective dealloying in bimetallic nanoclusters,” Phys. Rev. Lett. 90, 085,502 (2003).
[Crossref]

G. Battaglin, P. Calvelli, E. Cattaruzza, F. Gonella, R. Polloni, G. Mattei, and P. Mazzoldi, “Z-scan study on the nonlinear refractive index of copper nanocluster composite silica glass,” Appl. Phys. Lett. 78, 3953–3955 (2001).
[Crossref]

Bello, V.

V. Bello, G. De Marchi, C. Maurizio, G. Mattei, P. Mazzoldi, M. Parolin, and C. Sada, “Ion irradiation for controlling composition and structure of metal alloy nanoclusters in SiO2,” J. Non-Cryst. Solids345–46, 685–688 (2004).

G. Mattei, G. D. Marchi, C. Maurizio, P. Mazzoldi, C. Sada, V. Bello, and G. Battaglin, “Chemical- or radiationassisted selective dealloying in bimetallic nanoclusters,” Phys. Rev. Lett. 90, 085,502 (2003).
[Crossref]

G. Pellegrini, G. Mattei, V. Bello, and P. Mazzoldi, “Interacting metal nanoparticles: Optical properties from nanoparticle dimers to core-satellite systems,” Mat. Sci. Eng. C (to be published).

Bergman, D. J.

K. R. Li, M. I. Stockman, and D. J. Bergman, “Self-similar chain of metal nanospheres as an efficient nanolens,” Phys. Rev. Lett. 91, 227,402 (2003).
[Crossref]

Bourillot, E.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

Broyer, M.

M. Gaudry, J. Lerme, E. Cottancin, M. Pellarin, J. L. Vialle, M. Broyer, B. Prevel, M. Treilleux, and P. Melinon, “Optical properties of (AuxAg1-x)(n) clusters embedded in alumina: Evolution with size and stoichiometry,” Phys. Rev. B 6408, 085,407 (2001).

Calvelli, P.

G. Battaglin, P. Calvelli, E. Cattaruzza, F. Gonella, R. Polloni, G. Mattei, and P. Mazzoldi, “Z-scan study on the nonlinear refractive index of copper nanocluster composite silica glass,” Appl. Phys. Lett. 78, 3953–3955 (2001).
[Crossref]

Cattaruzza, E.

G. Battaglin, P. Calvelli, E. Cattaruzza, F. Gonella, R. Polloni, G. Mattei, and P. Mazzoldi, “Z-scan study on the nonlinear refractive index of copper nanocluster composite silica glass,” Appl. Phys. Lett. 78, 3953–3955 (2001).
[Crossref]

Cottancin, E.

M. Gaudry, J. Lerme, E. Cottancin, M. Pellarin, J. L. Vialle, M. Broyer, B. Prevel, M. Treilleux, and P. Melinon, “Optical properties of (AuxAg1-x)(n) clusters embedded in alumina: Evolution with size and stoichiometry,” Phys. Rev. B 6408, 085,407 (2001).

Dereux, A.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

El-Sayed, M. A.

S. Link and M. A. El-Sayed, “Shape and size dependence of radiative, non-radiative and photothermal properties of gold nanocrystals,” Int. Rev. Phys. Chem. 19, 409–453 (2000).
[Crossref]

S. Link, Z. L. Wang, and M. A. El-Sayed, “Alloy formation of gold-silver nanoparticles and the dependence of the plasmon absorption on their composition,” J. Phys. Chem. B 103, 3529–3533 (1999).
[Crossref]

Fritz, S.

H. Hovel, S. Fritz, A. Hilger, U. Kreibig, and M. Vollmer, “Width of Cluster Plasmon Resonances - Bulk Dielectric Functions and Chemical Interface Damping,” Phys. Rev. B 48, 18,178–18,188 (1993).
[Crossref]

Gaudry, M.

M. Gaudry, J. Lerme, E. Cottancin, M. Pellarin, J. L. Vialle, M. Broyer, B. Prevel, M. Treilleux, and P. Melinon, “Optical properties of (AuxAg1-x)(n) clusters embedded in alumina: Evolution with size and stoichiometry,” Phys. Rev. B 6408, 085,407 (2001).

Girard, C.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

Gonella, F.

G. Battaglin, P. Calvelli, E. Cattaruzza, F. Gonella, R. Polloni, G. Mattei, and P. Mazzoldi, “Z-scan study on the nonlinear refractive index of copper nanocluster composite silica glass,” Appl. Phys. Lett. 78, 3953–3955 (2001).
[Crossref]

Gotschy, W.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

Goudonnet, J. P.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

Grady, N. K.

C. E. Talley, J. B. Jackson, C. Oubre, N. K. Grady, C. W. Hollars, S. M. Lane, T. R. Huser, P. Nordlander, and N. J. Halas, “Surface-enhanced Raman scattering from individual Au nanoparticles and nanoparticle dimer substrates,” Nano Lett. 5, 1569–1574 (2005).
[Crossref] [PubMed]

Halas, N. J.

C. E. Talley, J. B. Jackson, C. Oubre, N. K. Grady, C. W. Hollars, S. M. Lane, T. R. Huser, P. Nordlander, and N. J. Halas, “Surface-enhanced Raman scattering from individual Au nanoparticles and nanoparticle dimer substrates,” Nano Lett. 5, 1569–1574 (2005).
[Crossref] [PubMed]

Harel, E.

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2, 229–232 (2003).
[Crossref] [PubMed]

Hilger, A.

H. Hovel, S. Fritz, A. Hilger, U. Kreibig, and M. Vollmer, “Width of Cluster Plasmon Resonances - Bulk Dielectric Functions and Chemical Interface Damping,” Phys. Rev. B 48, 18,178–18,188 (1993).
[Crossref]

Hollars, C. W.

C. E. Talley, J. B. Jackson, C. Oubre, N. K. Grady, C. W. Hollars, S. M. Lane, T. R. Huser, P. Nordlander, and N. J. Halas, “Surface-enhanced Raman scattering from individual Au nanoparticles and nanoparticle dimer substrates,” Nano Lett. 5, 1569–1574 (2005).
[Crossref] [PubMed]

Hovel, H.

H. Hovel, S. Fritz, A. Hilger, U. Kreibig, and M. Vollmer, “Width of Cluster Plasmon Resonances - Bulk Dielectric Functions and Chemical Interface Damping,” Phys. Rev. B 48, 18,178–18,188 (1993).
[Crossref]

Huser, T. R.

C. E. Talley, J. B. Jackson, C. Oubre, N. K. Grady, C. W. Hollars, S. M. Lane, T. R. Huser, P. Nordlander, and N. J. Halas, “Surface-enhanced Raman scattering from individual Au nanoparticles and nanoparticle dimer substrates,” Nano Lett. 5, 1569–1574 (2005).
[Crossref] [PubMed]

Jackson, J. B.

C. E. Talley, J. B. Jackson, C. Oubre, N. K. Grady, C. W. Hollars, S. M. Lane, T. R. Huser, P. Nordlander, and N. J. Halas, “Surface-enhanced Raman scattering from individual Au nanoparticles and nanoparticle dimer substrates,” Nano Lett. 5, 1569–1574 (2005).
[Crossref] [PubMed]

Janel, N.

S. L. Zou, N. Janel, and G. C. Schatz, “Silver nanoparticle array structures that produce remarkably narrow plasmon lineshapes,” J. Chem. Phys. 120, 10,871–10,875 (2004).
[Crossref]

Kik, P. G.

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2, 229–232 (2003).
[Crossref] [PubMed]

Koel, B. E.

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2, 229–232 (2003).
[Crossref] [PubMed]

Kooi, B. J.

J. J. Penninkhof, A. Polman, L. A. Sweatlock, S. A. Maier, H. A. Atwater, A. M. Vredenberg, and B. J. Kooi, “Mega-electron-volt ion beam induced anisotropic plasmon resonance of silver nanocrystals in glass,” Appl. Phys. Lett. 83, 4137–4139 (2003).
[Crossref]

Kreibig, U.

H. Hovel, S. Fritz, A. Hilger, U. Kreibig, and M. Vollmer, “Width of Cluster Plasmon Resonances - Bulk Dielectric Functions and Chemical Interface Damping,” Phys. Rev. B 48, 18,178–18,188 (1993).
[Crossref]

U. Kreibig and M. Vollmer, Optical Properties of Metal Nanoclusters (Springer, 1995).

Krenn, J. R.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

M. Quinten, A. Leitner, J. R. Krenn, and F. R. Aussenegg, “Electromagnetic energy transport via linear chains of silver nanoparticles,” Opt. Lett. 23, 1331–1333 (1998).
[Crossref]

Lacroute, Y.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

Lane, S. M.

C. E. Talley, J. B. Jackson, C. Oubre, N. K. Grady, C. W. Hollars, S. M. Lane, T. R. Huser, P. Nordlander, and N. J. Halas, “Surface-enhanced Raman scattering from individual Au nanoparticles and nanoparticle dimer substrates,” Nano Lett. 5, 1569–1574 (2005).
[Crossref] [PubMed]

Leitner, A.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

M. Quinten, A. Leitner, J. R. Krenn, and F. R. Aussenegg, “Electromagnetic energy transport via linear chains of silver nanoparticles,” Opt. Lett. 23, 1331–1333 (1998).
[Crossref]

Lerme, J.

M. Gaudry, J. Lerme, E. Cottancin, M. Pellarin, J. L. Vialle, M. Broyer, B. Prevel, M. Treilleux, and P. Melinon, “Optical properties of (AuxAg1-x)(n) clusters embedded in alumina: Evolution with size and stoichiometry,” Phys. Rev. B 6408, 085,407 (2001).

Li, K. R.

K. R. Li, M. I. Stockman, and D. J. Bergman, “Self-similar chain of metal nanospheres as an efficient nanolens,” Phys. Rev. Lett. 91, 227,402 (2003).
[Crossref]

Link, S.

S. Link and M. A. El-Sayed, “Shape and size dependence of radiative, non-radiative and photothermal properties of gold nanocrystals,” Int. Rev. Phys. Chem. 19, 409–453 (2000).
[Crossref]

S. Link, Z. L. Wang, and M. A. El-Sayed, “Alloy formation of gold-silver nanoparticles and the dependence of the plasmon absorption on their composition,” J. Phys. Chem. B 103, 3529–3533 (1999).
[Crossref]

Liphardt, J.

C. Sonnichsen, B. M. Reinhard, J. Liphardt, and A. P. Alivisatos, “A molecular ruler based on plasmon coupling of single gold and silver nanoparticles,” Nat. Biotechnol. 23, 741–745 (2005).
[Crossref] [PubMed]

Maier, S. A.

L. A. Sweatlock, S. A. Maier, H. A. Atwater, J. J. Penninkhof, and A. Polman, “Highly confined electromagnetic fields in arrays of strongly coupled Ag nanoparticles,” Phys. Rev. B 71, 235,408 (2005).
[Crossref]

J. J. Penninkhof, A. Polman, L. A. Sweatlock, S. A. Maier, H. A. Atwater, A. M. Vredenberg, and B. J. Kooi, “Mega-electron-volt ion beam induced anisotropic plasmon resonance of silver nanocrystals in glass,” Appl. Phys. Lett. 83, 4137–4139 (2003).
[Crossref]

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2, 229–232 (2003).
[Crossref] [PubMed]

Marchi, G. D.

G. Mattei, G. D. Marchi, C. Maurizio, P. Mazzoldi, C. Sada, V. Bello, and G. Battaglin, “Chemical- or radiationassisted selective dealloying in bimetallic nanoclusters,” Phys. Rev. Lett. 90, 085,502 (2003).
[Crossref]

Marchi, G. De

V. Bello, G. De Marchi, C. Maurizio, G. Mattei, P. Mazzoldi, M. Parolin, and C. Sada, “Ion irradiation for controlling composition and structure of metal alloy nanoclusters in SiO2,” J. Non-Cryst. Solids345–46, 685–688 (2004).

Mattei, G.

P. Mazzoldi and G. Mattei, “Potentialities of ion implantation for the synthesis and modification of metal nanoclusters,” Riv. Del Nuovo Cimento 28, 1–69 (2005).

V. Bello, G. De Marchi, C. Maurizio, G. Mattei, P. Mazzoldi, M. Parolin, and C. Sada, “Ion irradiation for controlling composition and structure of metal alloy nanoclusters in SiO2,” J. Non-Cryst. Solids345–46, 685–688 (2004).

G. Mattei, G. D. Marchi, C. Maurizio, P. Mazzoldi, C. Sada, V. Bello, and G. Battaglin, “Chemical- or radiationassisted selective dealloying in bimetallic nanoclusters,” Phys. Rev. Lett. 90, 085,502 (2003).
[Crossref]

G. Mattei, “Alloy nanoclusters in dielectric matrix,” Nucl. Instrum. Methods Phys. Res. B 191, 323–332 (2002).
[Crossref]

G. Battaglin, P. Calvelli, E. Cattaruzza, F. Gonella, R. Polloni, G. Mattei, and P. Mazzoldi, “Z-scan study on the nonlinear refractive index of copper nanocluster composite silica glass,” Appl. Phys. Lett. 78, 3953–3955 (2001).
[Crossref]

G. Pellegrini, G. Mattei, V. Bello, and P. Mazzoldi, “Interacting metal nanoparticles: Optical properties from nanoparticle dimers to core-satellite systems,” Mat. Sci. Eng. C (to be published).

Maurizio, C.

V. Bello, G. De Marchi, C. Maurizio, G. Mattei, P. Mazzoldi, M. Parolin, and C. Sada, “Ion irradiation for controlling composition and structure of metal alloy nanoclusters in SiO2,” J. Non-Cryst. Solids345–46, 685–688 (2004).

G. Mattei, G. D. Marchi, C. Maurizio, P. Mazzoldi, C. Sada, V. Bello, and G. Battaglin, “Chemical- or radiationassisted selective dealloying in bimetallic nanoclusters,” Phys. Rev. Lett. 90, 085,502 (2003).
[Crossref]

Mazzoldi, P.

P. Mazzoldi and G. Mattei, “Potentialities of ion implantation for the synthesis and modification of metal nanoclusters,” Riv. Del Nuovo Cimento 28, 1–69 (2005).

V. Bello, G. De Marchi, C. Maurizio, G. Mattei, P. Mazzoldi, M. Parolin, and C. Sada, “Ion irradiation for controlling composition and structure of metal alloy nanoclusters in SiO2,” J. Non-Cryst. Solids345–46, 685–688 (2004).

G. Mattei, G. D. Marchi, C. Maurizio, P. Mazzoldi, C. Sada, V. Bello, and G. Battaglin, “Chemical- or radiationassisted selective dealloying in bimetallic nanoclusters,” Phys. Rev. Lett. 90, 085,502 (2003).
[Crossref]

G. Battaglin, P. Calvelli, E. Cattaruzza, F. Gonella, R. Polloni, G. Mattei, and P. Mazzoldi, “Z-scan study on the nonlinear refractive index of copper nanocluster composite silica glass,” Appl. Phys. Lett. 78, 3953–3955 (2001).
[Crossref]

G. Pellegrini, G. Mattei, V. Bello, and P. Mazzoldi, “Interacting metal nanoparticles: Optical properties from nanoparticle dimers to core-satellite systems,” Mat. Sci. Eng. C (to be published).

Melinon, P.

M. Gaudry, J. Lerme, E. Cottancin, M. Pellarin, J. L. Vialle, M. Broyer, B. Prevel, M. Treilleux, and P. Melinon, “Optical properties of (AuxAg1-x)(n) clusters embedded in alumina: Evolution with size and stoichiometry,” Phys. Rev. B 6408, 085,407 (2001).

Meltzer, S.

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2, 229–232 (2003).
[Crossref] [PubMed]

Nordlander, P.

C. E. Talley, J. B. Jackson, C. Oubre, N. K. Grady, C. W. Hollars, S. M. Lane, T. R. Huser, P. Nordlander, and N. J. Halas, “Surface-enhanced Raman scattering from individual Au nanoparticles and nanoparticle dimer substrates,” Nano Lett. 5, 1569–1574 (2005).
[Crossref] [PubMed]

Oubre, C.

C. E. Talley, J. B. Jackson, C. Oubre, N. K. Grady, C. W. Hollars, S. M. Lane, T. R. Huser, P. Nordlander, and N. J. Halas, “Surface-enhanced Raman scattering from individual Au nanoparticles and nanoparticle dimer substrates,” Nano Lett. 5, 1569–1574 (2005).
[Crossref] [PubMed]

Parolin, M.

V. Bello, G. De Marchi, C. Maurizio, G. Mattei, P. Mazzoldi, M. Parolin, and C. Sada, “Ion irradiation for controlling composition and structure of metal alloy nanoclusters in SiO2,” J. Non-Cryst. Solids345–46, 685–688 (2004).

Pellarin, M.

M. Gaudry, J. Lerme, E. Cottancin, M. Pellarin, J. L. Vialle, M. Broyer, B. Prevel, M. Treilleux, and P. Melinon, “Optical properties of (AuxAg1-x)(n) clusters embedded in alumina: Evolution with size and stoichiometry,” Phys. Rev. B 6408, 085,407 (2001).

Pellegrini, G.

G. Pellegrini, G. Mattei, V. Bello, and P. Mazzoldi, “Interacting metal nanoparticles: Optical properties from nanoparticle dimers to core-satellite systems,” Mat. Sci. Eng. C (to be published).

Penninkhof, J. J.

L. A. Sweatlock, S. A. Maier, H. A. Atwater, J. J. Penninkhof, and A. Polman, “Highly confined electromagnetic fields in arrays of strongly coupled Ag nanoparticles,” Phys. Rev. B 71, 235,408 (2005).
[Crossref]

J. J. Penninkhof, A. Polman, L. A. Sweatlock, S. A. Maier, H. A. Atwater, A. M. Vredenberg, and B. J. Kooi, “Mega-electron-volt ion beam induced anisotropic plasmon resonance of silver nanocrystals in glass,” Appl. Phys. Lett. 83, 4137–4139 (2003).
[Crossref]

Polloni, R.

G. Battaglin, P. Calvelli, E. Cattaruzza, F. Gonella, R. Polloni, G. Mattei, and P. Mazzoldi, “Z-scan study on the nonlinear refractive index of copper nanocluster composite silica glass,” Appl. Phys. Lett. 78, 3953–3955 (2001).
[Crossref]

Polman, A.

L. A. Sweatlock, S. A. Maier, H. A. Atwater, J. J. Penninkhof, and A. Polman, “Highly confined electromagnetic fields in arrays of strongly coupled Ag nanoparticles,” Phys. Rev. B 71, 235,408 (2005).
[Crossref]

J. J. Penninkhof, A. Polman, L. A. Sweatlock, S. A. Maier, H. A. Atwater, A. M. Vredenberg, and B. J. Kooi, “Mega-electron-volt ion beam induced anisotropic plasmon resonance of silver nanocrystals in glass,” Appl. Phys. Lett. 83, 4137–4139 (2003).
[Crossref]

Prevel, B.

M. Gaudry, J. Lerme, E. Cottancin, M. Pellarin, J. L. Vialle, M. Broyer, B. Prevel, M. Treilleux, and P. Melinon, “Optical properties of (AuxAg1-x)(n) clusters embedded in alumina: Evolution with size and stoichiometry,” Phys. Rev. B 6408, 085,407 (2001).

Quinten, M.

Reinhard, B. M.

C. Sonnichsen, B. M. Reinhard, J. Liphardt, and A. P. Alivisatos, “A molecular ruler based on plasmon coupling of single gold and silver nanoparticles,” Nat. Biotechnol. 23, 741–745 (2005).
[Crossref] [PubMed]

Requicha, A. A. G.

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2, 229–232 (2003).
[Crossref] [PubMed]

Ripken, K.

K. Ripken, “Die optischen Konstanten von Au, Ag und ihren Legierungen im Energiebereich 2,4 bis 4,4 eV,” Z. Physik 50, 228–234 (1972).
[Crossref]

Sada, C.

V. Bello, G. De Marchi, C. Maurizio, G. Mattei, P. Mazzoldi, M. Parolin, and C. Sada, “Ion irradiation for controlling composition and structure of metal alloy nanoclusters in SiO2,” J. Non-Cryst. Solids345–46, 685–688 (2004).

G. Mattei, G. D. Marchi, C. Maurizio, P. Mazzoldi, C. Sada, V. Bello, and G. Battaglin, “Chemical- or radiationassisted selective dealloying in bimetallic nanoclusters,” Phys. Rev. Lett. 90, 085,502 (2003).
[Crossref]

Schatz, G. C.

S. L. Zou, N. Janel, and G. C. Schatz, “Silver nanoparticle array structures that produce remarkably narrow plasmon lineshapes,” J. Chem. Phys. 120, 10,871–10,875 (2004).
[Crossref]

Schider, G.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

Sonnichsen, C.

C. Sonnichsen, B. M. Reinhard, J. Liphardt, and A. P. Alivisatos, “A molecular ruler based on plasmon coupling of single gold and silver nanoparticles,” Nat. Biotechnol. 23, 741–745 (2005).
[Crossref] [PubMed]

Stockman, M. I.

K. R. Li, M. I. Stockman, and D. J. Bergman, “Self-similar chain of metal nanospheres as an efficient nanolens,” Phys. Rev. Lett. 91, 227,402 (2003).
[Crossref]

Sweatlock, L. A.

L. A. Sweatlock, S. A. Maier, H. A. Atwater, J. J. Penninkhof, and A. Polman, “Highly confined electromagnetic fields in arrays of strongly coupled Ag nanoparticles,” Phys. Rev. B 71, 235,408 (2005).
[Crossref]

J. J. Penninkhof, A. Polman, L. A. Sweatlock, S. A. Maier, H. A. Atwater, A. M. Vredenberg, and B. J. Kooi, “Mega-electron-volt ion beam induced anisotropic plasmon resonance of silver nanocrystals in glass,” Appl. Phys. Lett. 83, 4137–4139 (2003).
[Crossref]

Talley, C. E.

C. E. Talley, J. B. Jackson, C. Oubre, N. K. Grady, C. W. Hollars, S. M. Lane, T. R. Huser, P. Nordlander, and N. J. Halas, “Surface-enhanced Raman scattering from individual Au nanoparticles and nanoparticle dimer substrates,” Nano Lett. 5, 1569–1574 (2005).
[Crossref] [PubMed]

Treilleux, M.

M. Gaudry, J. Lerme, E. Cottancin, M. Pellarin, J. L. Vialle, M. Broyer, B. Prevel, M. Treilleux, and P. Melinon, “Optical properties of (AuxAg1-x)(n) clusters embedded in alumina: Evolution with size and stoichiometry,” Phys. Rev. B 6408, 085,407 (2001).

Vialle, J. L.

M. Gaudry, J. Lerme, E. Cottancin, M. Pellarin, J. L. Vialle, M. Broyer, B. Prevel, M. Treilleux, and P. Melinon, “Optical properties of (AuxAg1-x)(n) clusters embedded in alumina: Evolution with size and stoichiometry,” Phys. Rev. B 6408, 085,407 (2001).

Vollmer, M.

H. Hovel, S. Fritz, A. Hilger, U. Kreibig, and M. Vollmer, “Width of Cluster Plasmon Resonances - Bulk Dielectric Functions and Chemical Interface Damping,” Phys. Rev. B 48, 18,178–18,188 (1993).
[Crossref]

U. Kreibig and M. Vollmer, Optical Properties of Metal Nanoclusters (Springer, 1995).

Vredenberg, A. M.

J. J. Penninkhof, A. Polman, L. A. Sweatlock, S. A. Maier, H. A. Atwater, A. M. Vredenberg, and B. J. Kooi, “Mega-electron-volt ion beam induced anisotropic plasmon resonance of silver nanocrystals in glass,” Appl. Phys. Lett. 83, 4137–4139 (2003).
[Crossref]

Wang, Z. L.

S. Link, Z. L. Wang, and M. A. El-Sayed, “Alloy formation of gold-silver nanoparticles and the dependence of the plasmon absorption on their composition,” J. Phys. Chem. B 103, 3529–3533 (1999).
[Crossref]

Weeber, J. C.

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

Xu, Y. L.

Y. L. Xu, “Electromagnetic Scattering by an Aggregate of Spheres,” Appl. Optics 34, 4573–4588 (1995).
[Crossref]

Zou, S. L.

S. L. Zou, N. Janel, and G. C. Schatz, “Silver nanoparticle array structures that produce remarkably narrow plasmon lineshapes,” J. Chem. Phys. 120, 10,871–10,875 (2004).
[Crossref]

Am. J. Phys. (1)

D. E. Aspnes, “Local-Field Effects and Effective-Medium Theory - a Microscopic Perspective,” Am. J. Phys. 50, 704–709 (1982).
[Crossref]

Appl. Optics (1)

Y. L. Xu, “Electromagnetic Scattering by an Aggregate of Spheres,” Appl. Optics 34, 4573–4588 (1995).
[Crossref]

Appl. Phys. Lett. (2)

G. Battaglin, P. Calvelli, E. Cattaruzza, F. Gonella, R. Polloni, G. Mattei, and P. Mazzoldi, “Z-scan study on the nonlinear refractive index of copper nanocluster composite silica glass,” Appl. Phys. Lett. 78, 3953–3955 (2001).
[Crossref]

J. J. Penninkhof, A. Polman, L. A. Sweatlock, S. A. Maier, H. A. Atwater, A. M. Vredenberg, and B. J. Kooi, “Mega-electron-volt ion beam induced anisotropic plasmon resonance of silver nanocrystals in glass,” Appl. Phys. Lett. 83, 4137–4139 (2003).
[Crossref]

Int. Rev. Phys. Chem. (1)

S. Link and M. A. El-Sayed, “Shape and size dependence of radiative, non-radiative and photothermal properties of gold nanocrystals,” Int. Rev. Phys. Chem. 19, 409–453 (2000).
[Crossref]

J. Chem. Phys. (1)

S. L. Zou, N. Janel, and G. C. Schatz, “Silver nanoparticle array structures that produce remarkably narrow plasmon lineshapes,” J. Chem. Phys. 120, 10,871–10,875 (2004).
[Crossref]

J. Non-Cryst. Solids (1)

V. Bello, G. De Marchi, C. Maurizio, G. Mattei, P. Mazzoldi, M. Parolin, and C. Sada, “Ion irradiation for controlling composition and structure of metal alloy nanoclusters in SiO2,” J. Non-Cryst. Solids345–46, 685–688 (2004).

J. Phys. Chem. B (1)

S. Link, Z. L. Wang, and M. A. El-Sayed, “Alloy formation of gold-silver nanoparticles and the dependence of the plasmon absorption on their composition,” J. Phys. Chem. B 103, 3529–3533 (1999).
[Crossref]

Nano Lett. (1)

C. E. Talley, J. B. Jackson, C. Oubre, N. K. Grady, C. W. Hollars, S. M. Lane, T. R. Huser, P. Nordlander, and N. J. Halas, “Surface-enhanced Raman scattering from individual Au nanoparticles and nanoparticle dimer substrates,” Nano Lett. 5, 1569–1574 (2005).
[Crossref] [PubMed]

Nat. Biotechnol. (1)

C. Sonnichsen, B. M. Reinhard, J. Liphardt, and A. P. Alivisatos, “A molecular ruler based on plasmon coupling of single gold and silver nanoparticles,” Nat. Biotechnol. 23, 741–745 (2005).
[Crossref] [PubMed]

Nat. Mater. (1)

S. A. Maier, P. G. Kik, H. A. Atwater, S. Meltzer, E. Harel, B. E. Koel, and A. A. G. Requicha, “Local detection of electromagnetic energy transport below the diffraction limit in metal nanoparticle plasmon waveguides,” Nat. Mater. 2, 229–232 (2003).
[Crossref] [PubMed]

Nucl. Instrum. Methods Phys. Res. B (1)

G. Mattei, “Alloy nanoclusters in dielectric matrix,” Nucl. Instrum. Methods Phys. Res. B 191, 323–332 (2002).
[Crossref]

Opt. Lett. (1)

Phys. Rev. B (3)

H. Hovel, S. Fritz, A. Hilger, U. Kreibig, and M. Vollmer, “Width of Cluster Plasmon Resonances - Bulk Dielectric Functions and Chemical Interface Damping,” Phys. Rev. B 48, 18,178–18,188 (1993).
[Crossref]

L. A. Sweatlock, S. A. Maier, H. A. Atwater, J. J. Penninkhof, and A. Polman, “Highly confined electromagnetic fields in arrays of strongly coupled Ag nanoparticles,” Phys. Rev. B 71, 235,408 (2005).
[Crossref]

M. Gaudry, J. Lerme, E. Cottancin, M. Pellarin, J. L. Vialle, M. Broyer, B. Prevel, M. Treilleux, and P. Melinon, “Optical properties of (AuxAg1-x)(n) clusters embedded in alumina: Evolution with size and stoichiometry,” Phys. Rev. B 6408, 085,407 (2001).

Phys. Rev. Lett. (3)

K. R. Li, M. I. Stockman, and D. J. Bergman, “Self-similar chain of metal nanospheres as an efficient nanolens,” Phys. Rev. Lett. 91, 227,402 (2003).
[Crossref]

G. Mattei, G. D. Marchi, C. Maurizio, P. Mazzoldi, C. Sada, V. Bello, and G. Battaglin, “Chemical- or radiationassisted selective dealloying in bimetallic nanoclusters,” Phys. Rev. Lett. 90, 085,502 (2003).
[Crossref]

J. R. Krenn, A. Dereux, J. C. Weeber, E. Bourillot, Y. Lacroute, J. P. Goudonnet, G. Schider, W. Gotschy, A. Leitner, F. R. Aussenegg, and C. Girard, “Squeezing the optical near-field zone by plasmon coupling of metallic nanoparticles,” Phys. Rev. Lett. 82, 2590–2593 (1999).
[Crossref]

Riv. Del Nuovo Cimento (1)

P. Mazzoldi and G. Mattei, “Potentialities of ion implantation for the synthesis and modification of metal nanoclusters,” Riv. Del Nuovo Cimento 28, 1–69 (2005).

Z. Physik (1)

K. Ripken, “Die optischen Konstanten von Au, Ag und ihren Legierungen im Energiebereich 2,4 bis 4,4 eV,” Z. Physik 50, 228–234 (1972).
[Crossref]

Other (2)

U. Kreibig and M. Vollmer, Optical Properties of Metal Nanoclusters (Springer, 1995).

G. Pellegrini, G. Mattei, V. Bello, and P. Mazzoldi, “Interacting metal nanoparticles: Optical properties from nanoparticle dimers to core-satellite systems,” Mat. Sci. Eng. C (to be published).

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Figures (4)

Fig. 1.
Fig. 1. (a) Experimental optical extinctions for unirradiated and irradiated samples as described in Table 1, measured with unpolarized light. (b) Theoretical extinction spectra for a single Au0.6Ag0.4 particle of 12 nm of radius (black line), and for targets reported in Fig.4 (dashed, dot-dashed, and short dashed lines), following GMM approach. Empty and filled circles correspond to spectra calculated following MMG approach.

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Fig. 2.
Fig. 2. Cross-sectional TEM images of unirradiated and Ne+ irradiated samples. (a) AuAg sample before irradiation, (b) 100 KeV, 5.2×1016 ions/cm2 Ne+ irradiated sample.

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Fig. 3.
Fig. 3. Schematic representation of MMG model target construction.

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Fig. 4.
Fig. 4. (Color online) Assumed targets, corresponding TEM images and |E| plots at the plasmon wavelength for each of the three irradiated samples. Field polarization and propagation direction always as in (b).

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Tables (1)

Tables Icon

Table 1. Nuclear fraction of the total energy loss, satellite diameter, maximum satellite distance from central cluster and satellite Au/Ag ratio.

View Table

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