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Digitale Medien

Study of selenium clusters (1992)

Tribollet, B. ; Rayane, D. ; Benamar, A. ; [weitere]

Springer

The European physical journal 24 (1992), S. 87-93

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ISSN: 1434-6079

Schlagwort(e): 64.70.Fx ; 36.40. + d ; 35.20.Vf

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: 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.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01436608

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Digitale Medien

Ionization potential measurements of hydrogenated lithium clusters (1993)

Vezin, B. ; Dugourd, Ph. ; Rayane, D. ; [weitere]

Springer

The European physical journal 26 (1993), S. 128-130

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ISSN: 1434-6079

Schlagwort(e): 36.40.+d ; 35.20.VF

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract Ionization Potentials of LinHm clusters have been measured by photoionization. As in Lin, odd-even alternations and shell closing effects are observed. In a first approximation, we find that LinH clusters behave like Lin−1 and LinH2 like Lin−2. The results may be interpreted by assuming that the bonding of one hydrogen localizes one electron and that the other electrons remain delocalized.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01425640

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Static electric dipole polarizabilities of alkali clusters (1999)

Rayane, D. ; Allouche, A.R. ; Benichou, E. ; [weitere]

Springer

The European physical journal 9 (1999), S. 243-248

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ISSN: 1434-6079

Schlagwort(e): PACS: 36.40.-c Atomic and molecular clusters – 32.10.Dk Electric and magnetic moments, polarizability – 31.15.Ew Density functional theory

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract. We have measured the static dipole polarizability of lithium and sodium clusters (n=1-22). Values measured for sodium are in agreement with previous experiments. While the polarizability per atom for sodium clusters decreases slowly as a function of the cluster size, a sharp decrease between sizes 1 and 4 is observed for lithium clusters. Experimental values are compared to Density Functional Theory (DFT/PW91) calculations. The size evolutions for sodium and lithium cluster polarizabilities are well reproduced by our calculations. The sharp decrease observed for small lithium clusters is discussed in terms of electronic density.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s100530050433

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