Evaporative attachment of slow electrons to alkali-metal nanoclusters

Roman Rabinovitch, Chunlei Xia, and Vitaly V. Kresin
Phys. Rev. A 77, 063202 – Published 6 June 2008

Abstract

The abundance spectrum of Nan7140 anions formed by low-energy electron attachment to free nanoclusters is measured to be strongly and nontrivially restructured with respect to the neutral precursor beam. This restructuring is explained in quantitative detail by a general framework of evaporative attachment: an electron is captured by the long-range polarization potential, its energy is transferred into thermal vibrations, and dissipated by evaporative cooling. The data also affirm a formulated relation between the binding energies of cationic, neutral, and anionic clusters, and an adjustment to the prior values of dimer evaporation energies.

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  • Received 23 January 2008

DOI:https://doi.org/10.1103/PhysRevA.77.063202

©2008 American Physical Society

Authors & Affiliations

Roman Rabinovitch, Chunlei Xia, and Vitaly V. Kresin

  • Department of Physics and Astronomy, University of Southern California, Los Angeles, California 90089-0484, USA

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Vol. 77, Iss. 6 — June 2008

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