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Applied Isotope Science Lab
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The lab works on the use of nuclear fusion and nuclear power through technologies for separating isotopes.
AboutAbout the lab
Pursuing the potential of isotopes for a richer society.
Sugiyama Lab studies the science and engineering of isotopes.
Technologies for handling isotopes are essential for nuclear fusion, which is regarded as a future source of energy, and for the safe use and back-end management of nuclear power.
Beyond energy, new uses of isotopes are emerging in fields such as medicine, analytical science, and astrophysics.
As the word "Applied" in the lab's name suggests, the lab aims to carry out practical research that goes beyond academic study.
Key terms
- Isotope
- Atoms of the same element that have different numbers of neutrons in the nucleus. Their properties are nearly the same, but their masses differ slightly.
- Tritium
- A radioactive isotope of hydrogen (hydrogen-3) that emits radiation. It is used as a fuel for fusion reactors.
- Chromatography
- A method of separating a mixture by using differences in how strongly each substance adheres to an adsorbent.
NewsLab news
A student received the Encouragement Award of the Chubu Branch of the Atomic Energy Society of Japan
ResearchResearch themes
The lab has broad interests in the science and engineering of isotopes. It conducts research toward the safe use and back-end management of nuclear fusion and nuclear power, as well as new uses of isotopes in areas such as semiconductors and medicine. The lab aims for practical research that goes beyond pure science.
*Illustrative imageSeparating hydrogen isotopes
Deuterium and tritium, the fuels for fusion reactors, are both isotopes of hydrogen. The lab studies the water–hydrogen chemical exchange method, which separates isotopes by reacting water and hydrogen gas over a platinum catalyst. It conducts experiments using tritium and develops computational codes to predict separation performance.
*Illustrative imageSeparating lithium isotopes
Of the lithium isotopes, Li-6 is used to produce fuel for fusion reactors, and Li-7 is used for purposes such as adjusting the water chemistry of nuclear reactors. The lab is developing an efficient separation method with a small environmental burden, based on displacement chromatography, which uses differences in how strongly each isotope adsorbs onto an adsorbent.
*Illustrative imagePredicting the performance of adsorption columns for contaminated water treatment
Adsorption columns packed with adsorbents are used to treat contaminated water at the Fukushima Daiichi Nuclear Power Station. The lab studies the phenomenon in which many components adsorb at the same time, in order to accurately predict the performance of these columns, in joint research with Hitachi, Ltd.
*Illustrative imageProducing deuterium in Japan
Japan relies on imports for almost all of its deuterium, yet demand is expected to grow in areas such as fusion power generation, the manufacture of semiconductors and optical fibers, and pharmaceuticals. Building on its research on hydrogen isotope separation, the lab is studying methods of producing heavy water with a small environmental burden.
MembersFaculty
Sugiyama Lab consists of faculty members and students in the doctoral, master's, and undergraduate programs.As of 2026
- Associate ProfessorTakahiko Sugiyama
VoicesStudent voices
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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: “Nuclear Fusion Reactor ( )” Steve Jurvetson from Los Altos, USA / CC BY 2.0 (cropped)
- Separating hydrogen isotopes: “Hydrogen Gas Cylinder is Red in Japan” Jkr2255 / CC BY-SA 3.0 (cropped)
- Separating lithium isotopes: “Simple column for Ni2+-affinity chromatography” 作者不詳 / Public domain (cropped)
- Predicting the performance of adsorption columns for contaminated water treatment: “Deer Island Waste Water Treatment Plant” Doc Searls / CC BY-SA 2.0 (cropped)
- Producing deuterium in Japan: “Singur Plant (Chemical factory) of Himadri Speciality Chemicals Limited in Hooghly district (18 June 2022)” This photograph is created by Sbb1413. All photographs created by him are released under the {{CC-BY 4.0}} license unless otherwise noted. Derived works are released under the same license as original. / CC BY 4.0 (cropped)
- Related lab (Energy and Environmental Measurement Engineering Lab): “Optical table - Up view” Giorgio Brida from Torino, Italy / CC BY 2.0 (cropped)
- Related lab (Energy Thermofluids Engineering Lab): “False color image of the far field of a submerged turbulent jet” C. Fukushima and J. Westerweel, Technical University of Delft, The Netherlands / CC BY 3.0 (cropped)
- Related lab (Energy and Resource Circulation Science Lab): “Chemistry Laboratory - Bench” Jean-Pierre from Cosne-Cours-sur-Loire (Nièvre, Burgundy region), France / CC BY-SA 2.0 (cropped)
- Related lab (Energy Nanomaterials Creation Lab): “View of equipment in Vacuum Laboratory, Sample Operations Area, LRL bldg 37 (S68-25204)” NASA Johnson Space Center / Public domain (cropped)
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