Nano-graphite cold cathodes for electric solar wind sailстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 13 ноября 2015 г.
Аннотация:The nanographite (NG) films consisting of tiny graphite crystallites (nanowalls) are
produced by carbon condensation from methane–hydrogen gas mixture activated by a
direct current discharge. High aspect ratio and structural features of the NG crystallites
provides efficient field electron emission (FE). Applicability and performance of the NG
films in an electron gun (E-gun) of a solar wind thruster system with an electric sail (E-sail)
is tested. The long-term tests are demonstrated suitability of E-gun assembly with the NG
cathodes for the real space missions. The results of the tests are analyzed and physical
mechanisms of the cathode aging and practical methods for improvement performance
of the E-gun are proposed.