Photocathodes

Liu W, Poelker M, Smedley J & Ganter R
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Liu, W., Poelker, M., Smedley, J., & Ganter, R. (2020). Photocathodes. In G. Gaertner, W. Knapp, & R. G. Forbes (Eds.), Topics in applied physics: Vol. 135. Modern developments in vacuum electron sources (pp. 293-344). https://doi.org/10.1007/978-3-030-47291-7_7