| EPSRC Reference: |
GR/M28132/01 |
| Title: |
LASER PROBING OF THE DYNAMICS OF GAS-SURFACE COLLISIONS IN CHEMICALLY COMPLEX SYSTEMS |
| Principal Investigator: |
Gorry, Dr P |
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| Department: |
Chemistry |
| Organisation: |
Victoria University of Manchester, The |
| Scheme: |
Standard Research (Pre-FEC) |
| Starts: |
03 October 1998 |
Ends: |
02 October 2000 |
Value (£): |
114,362
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| EPSRC Research Topic Classifications: |
| Gas & Solution Phase Reactions |
Surfaces & Interfaces |
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| No relevance to Underpinning Sectors |
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Summary on Grant Application Form |
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It is proposed to perform angularly-resolved measurements of the translational, rotational and vibrational energy disposal following collisions of selected molecules from a narrow-velocity pulsed molecular beam source with chemically reactive surfaces. The surfaces will be III-V semi-conductor materials (GaAs, InP) and the molecular species will be halogen molecules or hydrogen halides. Laser-induced fluorescence and REMPI detection will be employed to identify the species and determine their internal state distributions following scattering from the surface in a range of processes including inelastic scattering, trapping-desorption and reaction. These studies will be coupled with time-of-flight measurements performed using mass spectrometry.Using the principle of detailed balance, these measurements will also allow the determination of sticking coefficients of several key species as a function of translational, vibrational and rotational energy, surface temperature and scattering angle. Studies at this level of detail for gas-surface reactive interactions will be unique. They will represent a significant advance in our knowledge of the dynamics of gas-surface collisions in complex reactive systems
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Key Findings |
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Potential use in non-academic contexts |
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Impacts |
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| Description |
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| Summary |
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| Date Materialised |
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Sectors submitted by the Researcher |
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This information can now be found on Gateway to Research (GtR) http://gtr.rcuk.ac.uk
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