We present the experimental and theoretical research of secondary emission properties of different materials with the purpose of their selection for the creation of a secondary emission radioisotope current source. Such a source is based on the secondary electron emission induced by <$E alpha> -particles. The new data on secondary emission properties of some materials are obtained. It is shown that the tertiary electron-electron emission has considerable influence on the total current. The optimum voltage that corresponds to a power maximum is calculated. A source power dependence on load resistance is experimentally studied for several couples of materials. The mathematical simulation of secondary processes that take place in the gap between two metals is carried out. A reasonable agreement between the experimental and calculated results is observed.

• Кононенко Ольга Сергіївна (фізико-математичні науки)
• Кононенко Олексій Сергійович (фізико-математичні науки)
• Журенко Віталій Павлович (фізико-математичні науки)

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