SCHEMATIC OF THE PHOTON- AND ELECTRON- STIMULATED DESORPTION OF NO AND O FROM NaNO3 CRYSTALS

(A) Exciton production

via excitation of the

NO3- ????????band

(B) Surface exciton

( NO3*- ) trapping via

stabilization with

respect to the bulk.

The surface exciton

decays to form

NO (g) + O (g) + O- (sf)

K. Knutsen and

T. M. Orlando,

Phys. Rev. B55,

13246, 1997.

8 eV

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