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Yamamoto Lab
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The lab studies, through both experiments and computation, how atomic-level defects and additives affect material properties.
AboutAbout the lab
A single atomic defect can change a material's properties.
The Yamamoto Lab uses quantum theory to study various properties of solid materials.
Through both experiments and computation, the lab clarifies how atomic-level defects and additives affect material properties.
In recent years, it has also worked on perovskites used in solar cells, phosphors, and the search for new materials using machine learning.
The lab also studies a method for measuring bone strength by analyzing sounds coming from the bone.
Key terms
- First-principles calculations
- A method of calculating the properties of materials from the fundamental physical laws governing atoms and electrons
- Machine learning
- Technology that enables computers to automatically learn rules and patterns from large amounts of data
- Phosphor
- A substance that emits light when it receives energy such as light or electricity
NewsLab news
Prof. Yamamoto's new book "Mathematical Modeling of Materials" published
Press release on research results using quantum circuit learning
Student wins Encouragement Poster Award at the Japan Institute of Metals and Materials
Student wins Excellent Poster Award at the Japan Institute of Metals and Materials
Student wins Young Researcher Excellent Presentation Award at an international conference
ResearchResearch themes
The lab conducts basic research that uses quantum theory to investigate various properties of solid materials. It studies how atomic-level defects and added elements affect material properties, using both experimental and computational methods.
*Illustrative imageOrganic-Inorganic Hybrid Perovskites
This research evaluates organic-inorganic hybrid perovskites, a material used in solar cells. It is conducted as a joint research project with Toin University of Yokohama.
*Illustrative imageRare-Earth-Free Phosphors
Phosphors are materials that emit light, and many of them use elements called rare earths. The lab is developing new phosphors that do not use rare earths.
*Illustrative imageUpconversion Phosphors
The lab studies the mechanism by which upconversion phosphors emit light.
*Illustrative imageMaterials Informatics
The lab searches for new materials using computer-based data analysis (materials informatics) and machine learning.
MembersFaculty
The Yamamoto Lab consists of faculty members and doctoral, master's, and undergraduate students.As of 2026
- ProfessorTomoyuki Yamamoto
VoicesStudent voices
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Konishi LabSchool of Fundamental Science and Engineering, Department of Electronic and Physical SystemsPhotonics and optical signal processingThe information on this page is compiled by the LabLog team from the lab's public information and interviews. For corrections or removal requests, please contact LabLog, not the lab.
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: “Perovskite solar cell” Dennis Schroeder / National Renewable Energy Laboratory / Public domain (cropped)
- Organic-Inorganic Hybrid Perovskites: “Perovskite crystal structure” Oregon State University / CC BY-SA 2.0 (cropped)
- Rare-Earth-Free Phosphors: “Willemite calcite in ultraviolet light” Jud McCranie / CC BY-SA 4.0 (cropped)
- Upconversion Phosphors: “Sample of Erbium oxide” LHcheM / CC BY-SA 3.0 (cropped)
- Materials Informatics: “Vlsci pan e small-2” Vlsci / CC BY-SA 3.0 (cropped)
- Related lab (内野研究室): “Cold atoms experiment 04” Tomasz Kawalec / CC BY-SA 4.0 (cropped)
- Related lab (川西研究室): “Antenna of Airport Surveillance Radar” FBuHL09 / CC BY-SA 4.0 (cropped)
- Related lab (川村研究室): “Artificial Neural Network with Chip” mikemacmarketing / photo on flickr / CC BY 2.0 (cropped)
- Related lab (小西研究室): “Laser reflectors” Tourbillon / CC BY-SA 3.0 (cropped)
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