Mechanisms of the L'2Φ-X 2π emission of NO in Ar and Kr matrices

Chergui, Majed ; Schwentner, Nikolaus ; Chandrasekharan, Venkataraman (1988) Mechanisms of the L'2Φ-X 2π emission of NO in Ar and Kr matrices Journal of Chemical Physics, 89 (12). pp. 7094-7099. ISSN 0021-9606

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New time and energy resolved spectra of the L' 2Φ-X2π (0,v') bands of NO in Ar and Kr matrices are reported. The L'(0,v') bands are excited exclusively via the B'2Δ valence state and their lifetime is 3000±500 ns in both matrices. The quantum efficiency for L'(v=0) emission is estimated to be ≤0.04. The 2Φ-2π transition is discussed in terms of a statically induced transition moment involving spin-orbit mixing with B'2Δ, but also in terms of nonadiabatic matrix elements due to the coupling to the lattice. Relaxation down to L'(v=0) is discussed in terms of matrix-induced interstate cascading with the b4ΔΣ- state.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
Keywords:Synchrotron Radiation; Ultraviolet Spectra; Nitric Oxide; Matrix Isolation; Argon; Krypton; Emission Spectra; Transition Amplitudes; Lifetime
ID Code:27353
Deposited On:10 Dec 2010 12:42
Last Modified:29 Jan 2011 05:42

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