JACoW logo

Joint Accelerator Conferences Website

The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.

RIS citation export for MOPLH06: Study of the Mean Transverse Energy and the Emission Mechanism of (N)UNCD Photocathodes

AU  - Chen, G.
AU  - Adhikari, G.
AU  - Antipov, S.P.
AU  - Baryshev, S.V.
AU  - Gomez, E.
AU  - Nikhar, T.
AU  - Schroeder, W.A.
AU  - Spentzouris, L.K.
ED  - Yamazaki, Yoshishige
ED  - Raubenheimer, Tor
ED  - McCausey, Amy
ED  - Schaa, Volker RW
TI  - Study of the Mean Transverse Energy and the Emission Mechanism of (N)UNCD Photocathodes
J2  - Proc. of NAPAC2019, Lansing, MI, USA, 01-06 September 2019
CY  - Lansing, MI, USA
T2  - North American Particle Accelerator Conference
T3  - 4
LA  - english
AB  - Nitrogen incorporated ultrananocrystalline diamond ((N)UNCD) is promising for photocathode applications due to its high quantum efficiency (QE). The mean transverse energy (MTE) which, along with QE, defines the brightness of the emitted electron beam must be thoroughly characterized and understood for (N)UNCD. Our previous work* further corroborated the important role of graphitic grain boundaries (GB’s). UNCD consists of diamond (sp3-hybrized) grains and graphitic (sp2-hybrized) GB’s: GB’s are behind the high emissivity of (N)UNCD and therefore play a crucial role in defining and controlling the MTE. In this work, the MTE of two different (N)UNCD samples having different ratios of sp3/sp2 were measured versus the primary photon energies. As a reference, MTE of highly oriented pyrolytic graphite (HOPG, canonical sp2-hybrized graphite) was also measured.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 181
EP  - 183
KW  - cathode
KW  - electron
KW  - photon
KW  - experiment
KW  - emittance
DA  - 2019/10
PY  - 2019
SN  - 2673-7000
SN  - 978-3-95450-223-3
DO  - doi:10.18429/JACoW-NAPAC2019-MOPLH06
UR  - http://jacow.org/napac2019/papers/moplh06.pdf
ER  -