Saxet Surface Science Recent Publications
• Photoyield Recovery of Cs+NF3 Activated Negative Electron Affinity GaAs Photoemitters without Additional Alkali Deposition, G. A. Mulhollan and J. C. Bierman, J. Vac. Sci. Technol. B 28, 899 (2010)

• Cesium and Oxygen Activated Amorphous Silicon Germanium Photocathodes for Photoinjectors, G. A. Mulhollan and J. C. Bierman, J. Vac. Sci. Technol. B 28, 495 (2010).

• The Surface Activation Layer of GaAs Negative Electron Affinity Photocathode Activated by Cs, Li, and NF3, Y. Sun, R. E. Kirby, T. Maruyama, G. A. Mulhollan, J. C. Bierman and P. Pianetta, Appl. Phys. Lett. 95, 174109 .(2009).

• Recent Progress toward Robust Photocathodes, G. A. Mulhollan and J. C. Bierman, AIP Conf. Proc. 1149, 1027 (2009).

• Enhanced Chemical Immunity for Negative Electron Affinity GaAs Photoemitters, G. A. Mulhollan and J. C. Bierman, J. Vac. Sci. Technol. A 26, 1195 (2008).

• Transport Mechanisms in Polarized Semiconductor Photocathodes, K. Ioakeimidi et al., AIP Conf. Proc. 915, 1061 (2007).

• Improved Electron Yield and Spin-Polarizaton from III-V Photocathodes via Bias Enhanced Carrier Drift, G. A. Mulhollan, J. Bierman, A. Brachmann, J. E. Clendenin, E. Garwin, R. Kirby, D.-A. Luh, T. Maruyama, R. Prepost, PAC05 Particle Accelerator Conference, Knoxville, Tennessee, USA, May 16-20 (2005).


Intellectual Property
• United States Patent Office Provisional Patent Application 61/516,867, Method for Employing Titania Nanotube Sensors as Vacuum Gauges. Submitted 01/2011.

• United States Patent Office Patent Application 12/931,839, Method for Resurrecting Negative Electron Affinity Photocathodes After Exposure to an Oxidizing Gas. Submitted 02/2011.

• United States Patent Office Patent Issued. Patent No 8,017,176 B2, Robust activation method for negative electron affinity photocathodes. Published 12/2009.