Fragmentation of symmetric polyatomic CCl4, SF6

Sharma, Raj Kumar and Sharma, Vandana (2017) Fragmentation of symmetric polyatomic CCl4, SF6. Masters thesis, Indian Institute of Technology Hyderabad.

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This thesis concerns about the fragmentation of polyatomic molecular ions such as CCl 4 and SF 6 which are created by the high energy electrons. When high energy electron hits a molecule, a highly excited multiply charged molecular ion will be formed. The molecular ion may then dissociate. There might be some dissociation process involved in which the bond rearrangement takes place. This bond rearrangement will lead to form some ionic species which may not be possible otherwise. As an exampl e, the formation of ions like F 2 + and Cl 2 + fromSF6 and CCl4, respectively. For polyatomic molecular we chose symmetric tetrahedral CCl 4 molecule and symmetric octahedral SF 6 molecule for investigation of Intra - molecular association between chlorine atoms and fluorine atoms respectively. We also looked into the fragmentation pattern of both these molecules and compared the fragmentation pattern of both the molecules. In the thesis we reconnoitered the velocity map imaging method and how we can design velocity map imaging map spectroscopy before build up this we used SIMION SOFTWEAR. In SIMION SOFTWEAR we get energy of the ions or particles and set their trajectories and for different energy particles or ion we set pusher and puller voltage for velocity map imaging spectroscopy in SIMION and what would be the voltage at detector that is also adjusted.

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IITH Creators:
IITH CreatorsORCiD
Sharma, VandanaUNSPECIFIED
Item Type: Thesis (Masters)
Uncontrolled Keywords: Ultrafast dynamics, femtosecond laser, VMI, TD781
Subjects: Physics
Divisions: Department of Physics
Depositing User: Team Library
Date Deposited: 14 Jun 2017 11:05
Last Modified: 23 May 2019 05:43
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