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Croatica Chemica Acta, Vol. 61 No. 3, 1988.

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Relaxation of Vibrational Excitons in Molecular-Ionic Crystal s Measured by Picosecond Time-Resolved CARS

R. Righini ; Dipartimento di Chimica, Universita di Firenze, 50121 Florence, Italy
L. Angeloni ; Dipartimento di Chimica, Universita di Firenze, 50121 Florence, Italy
E. Castellucci ; Dipartimento di Chimica, Universita di Firenze, 50121 Florence, Italy
P. Foggi ; Dipartimento di Chimica, Universita di Firenze, 50121 Florence, Italy
S. Califano ; Dipartimento di Chimica, Universita di Firenze, 50121 Florence, Italy
D. A. Dows ; Department of Chemistry, University of Southern California, Los Angeles, Ca 90089-0482, USA

Puni tekst: engleski pdf 4.711 Kb

str. 621-631

preuzimanja: 236

citiraj

Sažetak

The decay times of the internal vibrations in K2S04, KCl04, NaN03 and CaC03 single crystals have been measured at different temperature s by picosecond time-resolved CARS. The low temperature experimental data and their temperature dependence are interpreted on the basis of an energy relaxation mechanism, involving two-phonon and higher order decay processes.

Ključne riječi

Hrčak ID:

175952

URI

https://hrcak.srce.hr/175952

Datum izdavanja:

30.11.1988.

Posjeta: 553 *