Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
New Spin-Polarized Electron Source Based on Alkali Antimonide Photocathode. / Rusetsky, V. S.; Golyashov, V. A.; Eremeev, S. V. и др.
в: Physical Review Letters, Том 129, № 16, 166802, 14.10.2022.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - New Spin-Polarized Electron Source Based on Alkali Antimonide Photocathode
AU - Rusetsky, V. S.
AU - Golyashov, V. A.
AU - Eremeev, S. V.
AU - Kustov, D. A.
AU - Rusinov, I. P.
AU - Shamirzaev, T. S.
AU - Mironov, A. V.
AU - Demin, A. Yu
AU - Tereshchenko, O. E.
N1 - Funding Information: The authors acknowledge support from the Russian Science Foundation (Grant No. 22-12-20024) and the government of the Novosibirsk region (p-9). The density functional theory calculations were supported by the Government research assignment for ISPMS SB RAS, project FWRW-2022-0001. I. P. R. acknowledges support from the Ministry of Education and Science of the Russian Federation within State Task No. FSWM-2020-0033 (in the part of supplementary calculations). This work was performed within the framework for Synchrotron radiation facility SKIF. Publisher Copyright: © 2022 American Physical Society.
PY - 2022/10/14
Y1 - 2022/10/14
N2 - New spin-dependent photoemission properties of alkali antimonide semiconductor cathodes are predicted based on the detected optical spin orientation effect and DFT band structure calculations. Using these results, the Na2KSb/Cs3Sb heterostructure is designed as a spin-polarized electron source in combination with the Al0.11Ga0.89As target as a spin detector with spatial resolution. In the Na2KSb/Cs3Sb photocathode, spin-dependent photoemission properties were established through detection of a high degree of photoluminescence polarization and high polarization of the photoemitted electrons. It was found that the multi-alkali photocathode can provide electron beams with emittance very close to the limits imposed by the electron thermal energy. The vacuum tablet-type sources of spin-polarized electrons have been proposed for accelerators, which can exclude the construction of the photocathode growth chambers for photoinjectors.
AB - New spin-dependent photoemission properties of alkali antimonide semiconductor cathodes are predicted based on the detected optical spin orientation effect and DFT band structure calculations. Using these results, the Na2KSb/Cs3Sb heterostructure is designed as a spin-polarized electron source in combination with the Al0.11Ga0.89As target as a spin detector with spatial resolution. In the Na2KSb/Cs3Sb photocathode, spin-dependent photoemission properties were established through detection of a high degree of photoluminescence polarization and high polarization of the photoemitted electrons. It was found that the multi-alkali photocathode can provide electron beams with emittance very close to the limits imposed by the electron thermal energy. The vacuum tablet-type sources of spin-polarized electrons have been proposed for accelerators, which can exclude the construction of the photocathode growth chambers for photoinjectors.
UR - http://www.scopus.com/inward/record.url?scp=85140266101&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.129.166802
DO - 10.1103/PhysRevLett.129.166802
M3 - Article
C2 - 36306756
AN - SCOPUS:85140266101
VL - 129
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 16
M1 - 166802
ER -
ID: 38324421