Vibrational Relaxation and Hot Luminescence of Ne *  2  Centers in Solid Neon | Zendy

Gaethke R. | Zendy; Gürtler P. | Zendy; Kink R. | Zendy; Roick E. | Zendy; Zimmerer G. | Zendy

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Vibrational Relaxation and Hot Luminescence of Ne * 2 Centers in Solid Neon

Author(s) -

Gaethke R.,

Gürtler P.,

Kink R.,

Roick E.,

Zimmerer G.

Publication year - 1984

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.2221240136

Subject(s) - luminescence , neon , relaxation (psychology) , atomic physics , vibrational energy relaxation , exciton , solid state , materials science , solid surface , synchrotron radiation , chemistry , physics , argon , optics , condensed matter physics , excited state , chemical physics , psychology , social psychology , optoelectronics

Hot luminescence of Ne * 2 centers (molecular type self‐trapped excitons) in solid Ne is measured under state selectiveexcitation using synchrotron radiation. The luminescence spectra are analysed with the aid of a new theory on vibrational relaxation of the Ne * 2 centers. It is possible to show that the rate of relaxation is slower for centers located at the surface than for centers in the bulkof the Ne solid. In combination with a direct measurement of the lifetimes (1 ns for 1 ∑ + u ; 5 μs for 3 ∑ + u ), absolute values for the relaxation rates are obtained. They range between 6.6 × 10 4 s −1 (bulk) and 6.6 × 10 3 s −1 (surface).

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