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  • 73.40  (1)
  • 81.20
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  • 1
    Electronic Resource
    Electronic Resource
    Many-cluster-systems: models of inhomogeneous matter (1989)
    Springer
    The European physical journal 12 (1989), S. 505-514 
    Details
    ISSN: 1434-6079
    Keywords: 36.40 ; 42.20 ; 78.00 ; 81.20 ; 81.40 ; 82.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract First, some general remarks concerning macroscopic “cluster matter” are given. In the second part, three recent, mainly optically and electron-microscopically performed investigations are discussed which deal with special properties of noble metal cluster systems forming the building units of this kind of matter:(1) dressed Au-55 clusters,(2) electromagnetic coupling effects among coagulated clusters,(3) the transition towards compact inhomogeneous matter caused by coalescence of clusters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01427008
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  • 2
    Electronic Resource
    Electronic Resource
    Binary clusters: homogeneous alloys and nucleus-shell structures (1993)
    Springer
    The European physical journal 26 (1993), S. 242-245 
    Details
    ISSN: 1434-6079
    Keywords: 41.70 ; 61.55 ; 73.40 ; 82.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Extinction spectra of Agx-Au(1−x)-alloy particles embedded in glass are compared to spectra of gold coated silver clusters and silver coated gold clusters. It is shown, that the optical extinction of alloy particles is described by the Mie theory applying the homogeneous dielectric function $$\hat \varepsilon $$ (ω,R, x) measured by Paquet. The absorption of core-shell clusters was calculated deriving an extension of the Mie theory to spheres with arbitrary numbers of shells of arbitrary materials. Comparison to measured spectra points to s-electron motion in the clusters with only slight scattering at the interior interface. The appearance of two distinct Mie peaks however proves the existence of the sharp Ag-Au interface. The extended Mie formalism was also applied to a multilayer system consisting of sodium and a dielectric substance as an example for a spherical hetero structure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01429157
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    Paper (German National Licenses)
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