Multi‐peak structure of the kinetic‐energy distribution of Na +  desorbed from NaCl during electron irradiation | Zendy

Markowski L. | Zendy

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Multi‐peak structure of the kinetic‐energy distribution of Na + desorbed from NaCl during electron irradiation

Author(s) -

Markowski L.

Publication year - 2003

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200301842

Subject(s) - desorption , kinetic energy , metastability , excited state , irradiation , ion , electron , atomic physics , electron beam processing , analytical chemistry (journal) , chemistry , materials science , adsorption , physics , organic chemistry , quantum mechanics , chromatography , nuclear physics

Results of electron‐stimulated desorption of positive ions measured by the time‐of‐flight method from thin NaCl layers deposited onto Si(111) crystal are presented. The kinetic‐energy distribution of Na + is characterized by at least a double‐peak structure suggesting desorption by the wave packet squeezing process, proposed recently for Li + desorption from LiF. Moreover, a delayed Na + signal is observed, indicating desorption of core‐excited Na ** atoms being in metastable autoionizing states.

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