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Contenu archivé le 2024-04-30

Energetics of metal clusters studies through evaporation in a heat bath

Objectif



THE AIM OF THE PROJECT IS TO STUDY THE ELECTRONIC SHELL STRUCTURE IN SODIUM CLUSTERS. THE METHOD WE PLAN TO USE IS EVAPORATION IN A HEAT BATH, i.e. EVAPORATION OF CLUSTERS AT A CONSTANT TEMPERATURE, IN A HOT, INERT GAS MEDIUM. THIS METHOD SHOULD PROVE MUCH MORE PRE- CISE IN DETERMINING THE MAGIC NUMBERS AND THE SHELL ENERGY, TWO FUNDAMENTAL QUANTITIES, COMPARED TO THE METHOD USED SO FAR, EVAPO- RATION IN VACUUM.
TO REALIZE THIS EXPERIMENT, WE INTEND TO PROCEED AS FOLLOWS: THE CLUSTERS ARE FORMED IN A GAS AGGREGATION CLUSTER SOURCE, BY QUEN- CHING SODIUM VAPOR IN A COLD, INERT GAS, THEN EVAPORATE IN A HEATED REGION OF THE SOURCE; THERAFTER A CLUSTER BEAM IS FORMED AND THE SIZE DISTRIBUTION IS PROBED USING A TIME-OF-FLIGHT MASS SPECTRO- METER. THE SHELL EFFECT IN THE SIZE DISTRIBUTION WILL ALLOW TO EXTRACT SIMPLY THE MAGIC NUMBERS AND THE SHELL ENERGY.

Champ scientifique (EuroSciVoc)

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Appel à propositions

Données non disponibles

Régime de financement

RGI - Research grants (individual fellowships)

Coordinateur

Københavns Universitet
Contribution de l’UE
Aucune donnée
Adresse
2,Risoe Huse
4000 Roskilde
Danemark
Coût total
Aucune donnée

Participants (1)