Synthesis and characterization of metal-dielectric composites with copper nanoparticles embedded in a glass matrix: A multitechnique approach

Kristina E. Lipinska-Kalita, Denise M. Krol, Russell J. Hemley, Gino Mariotto, Patricia E. Kalita, Yoshimichi Ohki

    Research output: Contribution to journalArticle

    20 Citations (Scopus)

    Abstract

    The precipitation and growth of copper nanoparticles in an optically transparent aluminosilicate glass matrix was investigated. The size of particles in this heterophase glass-based composite was modified in a controlled manner by isothermal heat treatments. A multitechnique approach, consisting of Raman scattering spectroscopy, high-resolution transmission electron microscopy, x-ray diffraction technique, and optical absorption spectroscopy, has been used to study the nucleation and crystallization processes. Optical absorption spectroscopy revealed the presence of intense absorption bands attributed to oscillations of free electrons, known as the surface-plasmon resonance band of copper particles, and confirmed a gradual increase of the particles' mean size and density with annealing time. The Raman scattering on acoustical phonons from Cu quantum dots in the glass matrix measured for off-resonance conditions demonstrated the presence of intense, inhomogeneously broadened peaks that have been assigned to the confined acoustic eigenmodes of copper nanoparticles. The particle-size dependence of the acoustic peak energies and the relation between the size distribution and bandwidths of these peaks were derived. High-resolution transmission electron microscopy was used to monitor the nucleation of the nanoparticles and to estimate their mean size.

    Original languageEnglish
    Article number054301
    JournalJournal of Applied Physics
    Volume98
    Issue number5
    DOIs
    Publication statusPublished - 2005 Sep 1

    Fingerprint

    copper
    nanoparticles
    composite materials
    glass
    synthesis
    matrices
    metals
    absorption spectroscopy
    optical absorption
    nucleation
    Raman spectra
    transmission electron microscopy
    acoustics
    high resolution
    surface plasmon resonance
    free electrons
    phonons
    x ray diffraction
    heat treatment
    quantum dots

    ASJC Scopus subject areas

    • Physics and Astronomy (miscellaneous)
    • Physics and Astronomy(all)

    Cite this

    Synthesis and characterization of metal-dielectric composites with copper nanoparticles embedded in a glass matrix : A multitechnique approach. / Lipinska-Kalita, Kristina E.; Krol, Denise M.; Hemley, Russell J.; Mariotto, Gino; Kalita, Patricia E.; Ohki, Yoshimichi.

    In: Journal of Applied Physics, Vol. 98, No. 5, 054301, 01.09.2005.

    Research output: Contribution to journalArticle

    Lipinska-Kalita, Kristina E. ; Krol, Denise M. ; Hemley, Russell J. ; Mariotto, Gino ; Kalita, Patricia E. ; Ohki, Yoshimichi. / Synthesis and characterization of metal-dielectric composites with copper nanoparticles embedded in a glass matrix : A multitechnique approach. In: Journal of Applied Physics. 2005 ; Vol. 98, No. 5.
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