Charge storage due to u.v. irradiation in aluminium-oxide films

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Charge storage due to u.v. irradiation in aluminium-oxide films

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© The Institution of Electrical Engineers
Published

Results are given that show that substantial storage of positive charges can occur in aluminium-oxide films above a certain thickness, leading to a surface-potential-difference change of up to at least 2 V. It has been established that these charges are mainly due to u.v. irradiation, and they have been observed on are cathodes.

Inspec keywords: radiation effects; oxide coated cathodes

Other keywords: charge storage; UV irradiation; radiation effects; oxide coated cathodes

Subjects: Electron tube technology and manufacture; Electron emission, materials and cathodes

References

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