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  • 1
    Electronic Resource
    Electronic Resource
    Experimental studies on selenium cluster structures (1993)
    Springer
    The European physical journal 26 (1993), S. 352-354 
    Details
    ISSN: 1434-6079
    Keywords: .64.70.Fx ; 36.40.+d ; 35.20.Vf
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In this paper, we report properties of selenium clusters produced by vapor condensation technique. Impact electronic ionization is performed on clusters in the size range from 2 to 36 atoms. The measured ionization potentials exhibit small oscillation corresponding to the wiggles observed on the mass distribution. An attempt to connect these experimental observations with the geometrical structure of the molecules is made in the discussion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01429192
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  • 2
    Electronic Resource
    Electronic Resource
    Study of selenium clusters (1992)
    Springer
    The European physical journal 24 (1992), S. 87-93 
    Details
    ISSN: 1434-6079
    Keywords: 64.70.Fx ; 36.40. + d ; 35.20.Vf
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The aim of this paper is to study the properties of selenium clusters produced by vapor condensation technique. Simulation of nucleation process up to 50 atoms are in favour of a structure close to the amorphous structure. Doubly charged clusters are also obtained in the mass spectra.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01436608
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  • 3
    Electronic Resource
    Electronic Resource
    Evaporation of tetramers in Sb4n clusters and conditions for the formation of Sb2n+1 clusters (1989)
    Springer
    The European physical journal 12 (1989), S. 217-219 
    Details
    ISSN: 1434-6079
    Keywords: 35.20.Vf ; 36.40.+d
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Antimony clusters are produced by the inert gas condensation technique. They are found to be built from Sb4 units. The fragmentation by evaporation of Sb4 units is studied as a function of the excess energy in the cluster. By this way the binding energy of the Sb4 units in the cluster is found to be about 1.5 eV, well below the binding energy of a Sb atom in the bulk and in Sb4(≃3eV). The evolution of ionization potentials of Sb4n clusters confirms that their structure is probably non metallic. Finally the possible metastable character of this Sb4n structure is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01426941
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  • 4
    Electronic Resource
    Electronic Resource
    Optical absorption of LinH clusters (1993)
    Springer
    The European physical journal 26 (1993), S. 290-292 
    Details
    ISSN: 1434-6079
    Keywords: 36.40.d ; 33.80.Rv
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Photoabsorption spectra of free LinH clusters have been recorded for n=2 to 9. Clusters are produced by coexpansion of 10–100 mbars of lithium vapor and 2–4 bars of a 98 % / 2 % mixture of argon with hydrogen. Two photon ionization was used to study the X ← B system of Li2H while beam depletion spectroscopy was used to measure the absorption cross sections of larger clusters. Most observations may be interpreted by the localization of one electron on the hydrogen bonding in agreement with ionization potential measurements.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01429172
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  • 5
    Electronic Resource
    Electronic Resource
    Electronic and chemical properties of indium clusters (1989)
    Springer
    The European physical journal 12 (1989), S. 411-413 
    Details
    ISSN: 1434-6079
    Keywords: 35.20.Vf ; 36.40.+d
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Indium clusters are produced by the inert gas condensation technique. The ionization potentials are found higher for small clusters than for the Indium atom. This is explained by thep character of the bonding as in Aluminium. Doubly charge clusters are also observed and fragmentation processes discussed. Finally small Indium clusters 3〈n〈9 are found very reactive with hydrocarbon.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01426984
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Structure of small rare earth clusters (1991)
    Springer
    The European physical journal 19 (1991), S. 191-193 
    Details
    ISSN: 1434-6079
    Keywords: 35.20.Vf ; 36.40. +d
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Rare earth clusters are produced by the inert gas condensation technique. The observed size distribution shows large peaks atn=13, 19, 23, 26, 29, 32, 34, 37, 39, 45, ... The beginning of this sequence (up to 34) has been already observed in argon clusters and recently by our group in barium clusters; this sequence may be interpreted in terms of icosahedral structures corresponding to the addition of caps on a core icosahedron of 13 atoms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01448289
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  • 7
    Electronic Resource
    Electronic Resource
    Comparison between selenium and tellurium clusters (1991)
    Springer
    The European physical journal 19 (1991), S. 237-239 
    Details
    ISSN: 1434-6079
    Keywords: 35.20.Vf ; 36.40. +d
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Selenium and tellurium clusters are produced by the inert gas condensation technique. The mass spectra of both species are completely different and reveal different properties. In selenium, a periodicity of 6–7 is observed and may be interpreted by the binding energy between small cyclic molecules. Moreover, it was very difficult to obtained large clusters probably because the binding energy between these molecules is very small. In tellurium, these periodic structures do not exist and large clusters are easily obtained in nucleation conditions where only small selenium clusters are present. These results are discussed and a simple nucleation model is used to illustrate this different behavior. Finally these clusters properties are correlated to the bulk structure of both materials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01448301
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    Paper (German National Licenses)
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