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Quantum Confinement Of Embedded Copper Cluster Sandwiched By Lithium Fluoride

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Listed:
  • G.H. WANG

    (Department of Physics and National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China;
    Center for Advanced Studies in Science and Technology of Microstructures, 210093, China)

  • H.Q. ZHANG

    (Department of Physics and National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China;
    Center for Advanced Studies in Science and Technology of Microstructures, 210093, China)

  • J.X. MA

    (Department of Physics and National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China;
    Center for Advanced Studies in Science and Technology of Microstructures, 210093, China)

  • M. HAN

    (Department of Physics and National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China;
    Center for Advanced Studies in Science and Technology of Microstructures, 210093, China)

  • Q. WANG

    (Department of Physics and National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China;
    Center for Advanced Studies in Science and Technology of Microstructures, 210093, China)

  • J.J. ZHAO

    (Department of Physics and National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China;
    Center for Advanced Studies in Science and Technology of Microstructures, 210093, China)

Abstract

Optical absorption and laser Raman scattering spectroscopies as well as EXAFS are used to investigate the copper clusters embedded in the lithium fluoride, and the results indicate that (i) the metal clusters of about 2 nm in diameter have the bulk-like fcc structure with a contracted interatomic distance and lower mean coordination number, (ii) the embedded metal clusters show a surface-plasmon resonance, (iii) for clusters smaller than certain size the surface-phonon mode becomes important, and the high-order longitudinal phonon vibrational modes emerge.

Suggested Citation

  • G.H. Wang & H.Q. Zhang & J.X. Ma & M. Han & Q. Wang & J.J. Zhao, 1996. "Quantum Confinement Of Embedded Copper Cluster Sandwiched By Lithium Fluoride," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 3(01), pages 1143-1146.
    • Handle: RePEc:wsi:srlxxx:v:03:y:1996:i:01:n:s0218625x96002047
    DOI: 10.1142/S0218625X96002047
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