Andrew T. Sowers Sowers, A. T., Ward, B. L., English, S. L., & Nemanich, R. J. (2000). Measurement of field emission from nitrogen-doped diamond films. DIAMOND AND RELATED MATERIALS, Vol. 9, pp. 1569–1573. https://doi.org/10.1016/S0925-9635(00)00304-6 Park, M., Sowers, A. T., Rinne, C. L., Schlesser, R., Bergman, L., Nemanich, R. J., … Choi, W. B. (1999). Effect of nitrogen incorporation on electron emission from chemical vapor deposited diamond. JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B, Vol. 17, pp. 734–739. https://doi.org/10.1116/1.590630 Sowers, A. T., Ward, B. L., English, S. L., & Nemanich, R. J. (1999). Field emission properties of nitrogen-doped diamond films. JOURNAL OF APPLIED PHYSICS, 86(7), 3973–3982. https://doi.org/10.1063/1.371316 Nemanich, R. J., English, S. L., Hartman, J. D., Sowers, A. T., Ward, B. L., Ade, H., & Davis, R. F. (1999, May). Imaging electron emission from diamond and III-V nitride surfaces with photo-electron emission microscopy. APPLIED SURFACE SCIENCE, Vol. 146, pp. 287–294. https://doi.org/10.1016/S0169-4332(99)00021-5 Nemanich, R. J., Baumann, P. K., Benjamin, M. C., English, S. L., Hartman, J. D., Sowers, A. T., & Ward, B. L. (1998). Characterization of electron emitting surfaces of diamond and III-V nitrides. Diamond Films and Technology, 8(4), 211–223. Nemanich, R. J., Baumann, P. K., Benjamin, M. C., Nam, O. H., Sowers, A. T., Ward, B. L., … Davis, R. F. (1998, June). Electron emission properties of crystalline diamond and III-nitride surfaces. APPLIED SURFACE SCIENCE, Vol. 130, pp. 694–703. https://doi.org/10.1016/s0169-4332(98)00140-8 Sowers, A. T., Christman, J. A., Bremser, M. D., Ward, B. L., Davis, R. F., & Nemanich, R. J. (1997). Thin films of aluminum nitride and aluminum gallium nitride for cold cathode applications. Applied Physics Letters, 71(16), 2289–2291. https://doi.org/10.1063/1.120052