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@inproceedings{soomary:ipac2021-wepab112,
author = {L.A.J. Soomary and L.B. Jones and D.P. Juarez-Lopez and T.C.Q. Noakes and C.P. Welsch},
title = {{Performance Characterisation of a Cu (100) Single-Crystal Photocathode}},
booktitle = {Proc. IPAC'21},
pages = {2860--2862},
eid = {WEPAB112},
language = {english},
keywords = {cathode, electron, emittance, experiment, photon},
venue = {Campinas, SP, Brazil},
series = {International Particle Accelerator Conference},
number = {12},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {08},
year = {2021},
issn = {2673-5490},
isbn = {978-3-95450-214-1},
doi = {10.18429/JACoW-IPAC2021-WEPAB112},
url = {https://jacow.org/ipac2021/papers/wepab112.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-WEPAB112},
abstract = {{The search for high performance photocathode electron sources is a priority in the accelerator science community. The surface characteristics of a photocathode define important factors of the photoemission including the intrinsic emittance, the quantum efficiency and the work function of the photocathode. These factors in turn define the electron beam performance which are measurable as emittance, brightness and energy spread. We have used ASTeC’s Multiprobe (SAPI)* to characterise and analyse photocathode performance using multiple techniques including XPS, STM, and LEED imaging, and their Transverse Energy Spread Spectrometer (TESS)** to measure mean transverse energy (MTE). We present characterisation measurements for a Cu (100) single-crystal photocathode sample with data from SAPI confirming the crystallographic face and showing surface composition and roughness, supported by data from TESS showing the photocathode electron beam energy spread.}},
}