2013 年 23 巻 3 号 p. 204-209
IBARAKI Materials Design Diffractometer (iMATERIA) is a high-throughput powder diffractometer, and has a vacuum chamber in order to reduce a background from the air scattering. Each sample is typically measured in several minutes by used 1MW pulsed proton beams, and must be placed in the vacuum chamber before being measured. The process of re-establishing the vacuum would become a bottleneck when samples are exchanged. To reduce exchange time, we developed and manufactured an automatic sample changer that can handle a large number of samples through the vacuum chamber.