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Materials Irradiation Engineering Lab
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The lab investigates atomic-scale defects that form in materials.

AboutAbout the lab
Analyzing lattice defects inside materials at the atomic scale.
The lab investigates atomic-scale lattice defects that form inside materials.
Using methods such as three-dimensional atom probe, transmission electron microscopy, and positron annihilation, the lab studies defects in crystals.
Research topics listed for the faculty members include analysis of lattice defects in reactor pressure vessel steel that has suffered neutron damage, and irradiation effects on fusion reactor materials.
The lab is also introduced as the Materials Irradiation Engineering research division of the Institute for Materials Research.
Key terms
- Lattice defects
- Places in a crystal where the arrangement of atoms is disrupted, such as vacancies where atoms are missing.
- Three-dimensional atom probe
- An analytical method that removes atoms one by one from a needle-shaped specimen to determine the type and position of each element in three dimensions.
- Positron annihilation
- A method that investigates defects such as vacancies by using information from positrons, the antiparticles of electrons, as they annihilate inside a material.
ResearchResearch themes
The lab investigates atomic-scale lattice defects that form inside materials. It uses methods such as three-dimensional atom probe, transmission electron microscopy, and positron annihilation, and the research topics listed for the faculty members include analysis of lattice defects in reactor pressure vessel steel and irradiation effects on fusion reactor materials.
View More ↗MembersFaculty
- ProfessorRyuta Kasada
- Associate ProfessorKoji Inoe
- Associate ProfessorKenta Yoshida
- Assistant ProfessorPeng Song
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Interior of the VVER-440 reactor pressure vessel at Greifswald NPP” Siarhei Besarab / CC BY-SA 4.0 (cropped)
- Related lab (Watanabe-Abe Lab): “Chapelcross Nuclear Power Station - geograph.org.uk - 1274138” M J Richardson / CC BY-SA 2.0 (cropped)
- Related lab (Nuclear Materials Engineering Lab): “U.S. Department of Energy - Science - )” U.S. Department of Energy from United States / Public domain (cropped)
- Related lab (Akiyama-Koyama Lab): “Steel-with-Hydrogen-Induced-Cracks-01” CEphoto, Uwe Aranas / CC BY-SA 4.0 (cropped)
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