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Kotsugi Lab
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The lab combines materials engineering and data science to create magnetic materials and other new materials.
AboutAbout the lab
Taking on materials-making that humankind has never attempted.
The Kotsugi Lab combines materials engineering and data science to study the creation of new materials, mainly magnetic materials and electronic device materials.
The lab develops autonomous materials synthesis using robotic technology, analysis of material properties using quantum beams, and a theory of materials design that extends free energy.
It takes on the creation of earth-friendly materials with high functionality made from common elements.
The lab aims to realize the future of a green energy society.
Key terms
- Molecular beam epitaxy
- A method of making thin films by depositing atoms or molecules onto a substrate in a vacuum. Also called MBE.
- Synchrotron radiation
- Intense light obtained at large facilities such as SPring-8. It is used to investigate the electronic states and crystal structures of materials.
- Electronic state
- The state of the electrons in a material. It is regarded as the source of a material's functions and is investigated directly with synchrotron radiation.
ResearchResearch themes
The lab aims to create earth-friendly materials with high functionality from common elements. Its research centers on creating new magnetic materials, functional analysis with high-brightness synchrotron radiation, and extracting knowledge through machine learning.
*Illustrative imageNanostructure control of magnetic materials
The lab creates highly functional magnetic materials by finely controlling nanostructures with molecular beam epitaxy and sputtering. Using machine learning and robotic synthesis technology as well, it aims to produce functional materials autonomously.
*Illustrative imageSeeing electronic states with synchrotron radiation
Using SPring-8, a high-brightness synchrotron radiation facility, the lab directly visualizes the electronic states and crystal structures that underlie the functions of materials. It combines analyses at various scales and with various methods to design materials comprehensively.
*Illustrative imageMaterials design with data science
The lab develops methods to design materials faster and at a higher level by combining data science and materials engineering. With the "extended free energy model," which fuses topology and free energy, it also aims to extract knowledge that humans had not noticed.
*Illustrative imageDeveloping new analysis techniques in Tsukuba
At the Nagamura Lab, part of a collaborative graduate school program, the lab develops analysis techniques that accelerate materials science in Tsukuba. Its work includes analyzing measurement data with machine learning, setting up original instruments, advanced electron spectroscopy, and synthesizing new atomic-layer materials.
MembersFaculty
The members of the Kotsugi Lab consist of faculty members, visiting faculty members, postdoctoral researchers, research assistants, doctoral, master's, and undergraduate students, working-professional PhD students, and secretaries.As of 2026
- ProfessorMasato Kotsugi
- Assistant ProfessorYuta Nakamura
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: “Alnico magnet assortment” 作者不詳 / Public domain (cropped)
- Nanostructure control of magnetic materials: “Bar magnet crop” File:Bar magnet.jpg: Photo taken by Aney / derivative work: MikeRun / CC BY-SA 3.0 (cropped)
- Seeing electronic states with synchrotron radiation: “Aust.-Synchrotron-Interior-Panorama” jjron / CC BY-SA 3.0 (cropped)
- Materials design with data science: “University of Virginia School of Data Science LGBT data burst” School of Data Science at the University of Virginia / Public domain (cropped)
- Developing new analysis techniques in Tsukuba: “Installing SAM Instrument into Curiosity Mars Rover ( )” NASA Goddard Space Flight Center from Greenbelt, MD, USA / Public domain (cropped)
- Related lab (古江研究室): “LCD-Display of a under Microscope with 400X” MrPlow / CC BY-SA 3.0 (cropped)
- Related lab (望月研究室): “Crystal structure of gamma-Oxygen” Forbes72 / CC BY-SA 4.0 (cropped)
- Related lab (西尾研究室): “CO2 Sensor SCD30” Sensirion AG / CC BY-SA 4.0 (cropped)
- Related lab (田村研究室): “Rendering of quasicrystal lattice structure” LinKayser / CC BY-SA 4.0 (cropped)
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