| Outline of Final Research Achievements |
In this study, following measurement and calculation were carried out for the purpose of understanding charge and discharge phenomena of satellite materials from the viewpoint of electronic properties for design of the next generation satellite with higher reliability. Those works were also carried out with LAPLACE, France."Space charge measurement by pulsed electroacoustic (PEA) method, FTIR, PL (Photo Luminescence), Secondary electron and Photoemission measurement, Quantum chemical calculation"
As a result, it was understood that the positive charge accumulation in the fluorinated material irradiated by a proton was generated by scission and crosslinking reaction of molecular chains of the material due to irradiation.
Furthermore, in order to demonstrate in orbit charging measurement, we developed BBM, a spaceborne electrification instrument.
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