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Toward a Safe Research Base for Materials Science, Including Nuclear Fuel and RI

 The Alpha Radiation Laboratory has access to approximately 190 radioisotopes and nuclear fuel materials, where research on the physical and chemical properties of actinide compounds and irradiation effects on various materials using nanoindentors, electron microscopes, etc. is conducted.
 In particular, regarding medical alpha radiation sources, it is the only facility in Japan to supply Ac-225 by milling from Th-229 (derived from U-233) at a university in Japan. In addition, a tetra-arc furnace for single crystal growth of uranium intermetallic compounds and a physical property measurement system (PPMS, magnetic field 9T) have been installed to provide an environment where a series of studies from preparation to measurement can be conducted. Recently, the TEM has been redeployed and the facilities for material irradiation effects research have been enhanced.
 In collaboration with the International Research Center for Quantum Science and Energy Materials (Oarai Center), which handles the largest amount of transuranium elements among universities, the center provides a research environment for researchers through joint use and other means as a leading domestic and international center for physical and chemical research on material irradiation effects and actinide compounds.