Rotational Distributions Following DIET: CN* from Alkali-Rich Surfaces
We studied rotational distributions of excited CN ejected due to electron- and photon-stimulated desorption (ESD and PSD) from alkali-metal and alkali-halide surfaces. Measured rotational spectra exhibit temperature-independent non-Boltzmann features that are systematically correlated to the particular alkali-metal component present on the surface. The temperature-independent, substrate-dependent rotational distributions indicate that the molecular rotation following ESD and PSD is determined by direct electronic bond breaking
KeywordsMolecular Rotation Rotational Spectrum Rotational Distribution Repulsive State Initial Wavefunction
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