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Report No.

Chemical state analysis of individual uranium particles with electron backscatter diffraction

Esaka, Fumitaka ; Yomogida, Takumi  ; Tomita, Ryohei ; Miyamoto, Yutaka  

Chemical state analysis is important to elucidate the origin of particles and its effect on the environment. However, the analysis is difficult because the amounts of elements in individual particles are considerably small. In the present study, electron backscatter diffraction (EBSD) is applied to the chemical state analysis of individual uranium particles. As a result, uranium particles with diameters of 1$$mu$$m were able to be measured and clear electron backscatter patterns were observed. In addition, the patterns of UO$$_{2}$$ particles were distinguished from those of U$$_{3}$$O$$_{8}$$ particles.



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