Chinese Journal of Chemical Physics, Volume. 33, Issue 5, 649(2020)
Photodissociation Dynamics of AlO at 193 nm using Time-Sliced Ion Velocity Imaging†
The photodissociation dynamics of AlO at 193 nm is studied using time-sliced ion velocity mapping. Two dissociation channels are found through the speed and angular distributions of aluminum ions: one is one-photon dissociation of the neutral AlO to generate Al($ ^2 $P$ _ \rm{u} $)+O($ ^3 $P$ _ \rm{g} $), and the other is two-photon ionization and then dissociation of AlO$ ^+ $ to generate Al$ ^+ $($ ^1 $S$ _ \rm{g} $)+O($ ^3 $P$ _ \rm{g} $). Each dissociation channel includes the contribution of AlO in the vibrational states $ v $ = 0-2. The anisotropy parameter of the neutral dissociation channel is more dependent on the vibration state of AlO than the ion dissociation channel.
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Fang-fang Li, Yu-jie Ma, Jia-xing Liu, Guan-jun Wang, Feng-yan Wang. Photodissociation Dynamics of AlO at 193 nm using Time-Sliced Ion Velocity Imaging†[J]. Chinese Journal of Chemical Physics, 2020, 33(5): 649
Received: Jul. 7, 2020
Accepted: Jul. 30, 2020
Published Online: Apr. 21, 2021
The Author Email: Wang Feng-yan (fengyanwang@fudan.edu.cn)