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Probing Anomalously High Quantum Efficiency of Self-Healing Gold Photocathodes

Probing Anomalously High Quantum Efficiency of Self-Healing Gold Photocathodes. Alexandra Boldin Dr. Eric Montgomery, Blake Riddick. QE and Self-Healing Photocathodes. Cesium Auride. Spicer et al., Phys. Rev. 115, 57 (1959). Khan et al., J. Vac. Sci. Tech. B 30, 031207 (2012).

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Probing Anomalously High Quantum Efficiency of Self-Healing Gold Photocathodes

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  1. Probing Anomalously High Quantum Efficiency of Self-Healing Gold Photocathodes Alexandra Boldin Dr. Eric Montgomery, Blake Riddick

  2. QE and Self-Healing Photocathodes

  3. Cesium Auride Spicer et al., Phys. Rev. 115, 57 (1959).Khan et al., J. Vac. Sci. Tech. B 30, 031207 (2012).

  4. New Test Chamber

  5. CsAu Quantum Efficiency

  6. Repeat Testing

  7. Conclusion and Future Work • Designed, built, and commissioned new CsAu QE test stand • Automated data collection • Ready for self-healing tests • Future: research thermal effects, determine reasons for QE differences

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