V.V. Borisov - Research Scientist, Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University Е-mail: borvv1947@mail.ru N.I. Sushentsov - Ph.D. (Eng.), Associate Professor, Leading Research Scientist, Volga State University of Technology (Yoshkar-Ola) S.A. Stepanov - Research Scientist, Volga State University of Technology (Yoshkar-Ola)

Questions of the effect of technological heat treatment on the composition the structure of the carbon nanostructure (CNS) and properties of field-emission cathode based on CNS were reviewed. The structure and composition of CNS were investigated by following methods: REM, spectroscopy KR, X-ray diffractometry. A separate plate CNS consist of layers of graphene. It was confirmed that CNS multiphase and consist of crystalline and amorphous phase of graphite, diamond, chaoite and carbine. The detected values of the temperatures at which there is a change in the morphology of the plates CNS and emission characteristics of field emission cathodes based on them. Set temperature at which there is degradation of field emission cathodes.

 

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