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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 1, Iss. 5 — Sep. 1, 2011
  • pp: 890–897

Optical resonances of self-organized monocrystalline Au nanoparticles embedded in SrTiO3 matrix

S. Christke, C. Katzer, V. Grosse, F. Schmidl, G. Schmidl, W. Fritzsche, J. Petschulat, T. Pertsch, and M. Rettenmayr  »View Author Affiliations

Optical Materials Express, Vol. 1, Issue 5, pp. 890-897 (2011)

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We report on a novel fabrication scheme obtaining metal nanoparticles grown in a crystal high index ambient, i.e. SrTiO3 (STO). Starting from a deposited Au layer ellipsoidal and orientated Au nanoantennas can be prepared and controlled via laser ablation. We discuss the deposition conditions and demonstrate the geometrical properties of the Au nanoantennas embedded in the SrTiO3 by Transmission Electron Micrography (TEM) and X-ray Diffraction (XRD) investigations. The plasmonic activity of the resulting highly orientated crystalline particles could be observed in transmission spectroscopy experiments showing an influence on the resulting size, shape and number density of nanoparticles that can be adjusted by precisely controlling the deposition parameters. All performed variations have simultaneously been observed in terms of the spectral shift of the localized plasmon resonance upon illumination. Therefore the resonance shift in the measured transmission spectra can be associated to geometrical changes in the nanoantennas’ shape that can be explained using a quasi-static description of the nanoparticles.

© 2011 OSA

OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(310.6860) Thin films : Thin films, optical properties
(160.4236) Materials : Nanomaterials

ToC Category:

Original Manuscript: July 1, 2011
Revised Manuscript: August 5, 2011
Manuscript Accepted: August 9, 2011
Published: August 10, 2011

Virtual Issues
Nanoplasmonics and Metamaterials (2011) Optical Materials Express

S. Christke, C. Katzer, V. Grosse, F. Schmidl, G. Schmidl, W. Fritzsche, J. Petschulat, T. Pertsch, and M. Rettenmayr, "Optical resonances of self-organized monocrystalline Au nanoparticles embedded in SrTiO3 matrix," Opt. Mater. Express 1, 890-897 (2011)

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