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Narong Chanlek

Narong Chanlek. 11 March 2010. Possibilities. Compare the performance between the heat cleaning and atomic hydrogen cleaning

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Narong Chanlek

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  1. Narong Chanlek 11 March 2010

  2. Possibilities • Compare the performance between the heat cleaning and atomic hydrogen cleaning Study on the cleaning procedure for the GaAs. Compare the performance of the heat cleaning and atomic hydrogen cleaning. Aim to develop the effective cleaning process for the GaAs using as a photocathode for accelerator.

  3. Possibilities • Options • Show re-clean XPS data • Compare between bulk and Strained GaAs • Activate by using NF3 and O2 • Number of activation • First draft: end of May J. Vac. Sci. Techno. 9(6) 2991

  4. Possibilities 2. Stability of the QE of the GaAs photocathode J. Appl. Phys. 80 (5), 1 September 1996

  5. Possibilities • Work on the ALICE photocathode preparation system. • Fist draft : end of July O2 injection

  6. Possibilities • Work on the surface science analysis system J. Appl. Phys. 80 (5), 1 September 1996

  7. Possibilities • Options • Activate by NF3 • Recovery behaviour • Strained GaAs Applied Surface Science 99 (1996) 361-365

  8. Possibilities 3. Conclusion paper Describe the GaAs photocathode study and activity at the lab. Show the performance of the ALICE photocathode reparation system and our surface analysis system. Discuss on how to prepare and handling the GaAs photocathode.

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