Study of photocurrent in secondary-electron multipliers in atomic beam tubes

M. S. Domanov; Z. K. Ippolitova; M. P. Leshchenko; N. P. Romanova; V. I. Turinov

doi:10.1134/S106422691605003X

Study of photocurrent in secondary-electron multipliers in atomic beam tubes

Authors: Domanov M.S.¹, Ippolitova Z.K.¹, Leshchenko M.P.¹, Romanova N.P.¹, Turinov V.I.¹
Affiliations:
1. Istok Research and Production Corporation
Issue: Vol 61, No 5 (2016)
Pages: 518-531
Section: Physical Processes in Electron Devices
URL: https://journals.rcsi.science/1064-2269/article/view/196974
DOI: https://doi.org/10.1134/S106422691605003X
ID: 196974

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Abstract

Physical mechanisms of generation of photocurrent carriers in dynodes of secondary-electron multipliers (SEM) in atomic beam tubes (ABT) are considered. It is found out that the most probable mechanism is the electron generation from impurity levels of Co and Ni in MgO crystals contained in dynodes.