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Kamiya Lab
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The lab creates new electronic materials and devices that overturn conventional wisdom.
AboutAbout the lab
Creating electronic materials and devices that overturn conventional wisdom
The Kamiya Lab studies new functional electronic materials and the devices made from them.
A single lab handles everything from materials exploration by computational science to synthesis in experiments and demonstration of thin-film devices.
IGZO, which came out of this approach, has improved the performance of displays around the world.
By running theory and experiment together, the lab aims to create optical, electronic, and energy materials for the next era.
Key terms
- Amorphous
- A state in which atoms are not arranged regularly, giving a glass-like structure
- Bandgap
- In semiconductors and insulators, the range of energy that electrons cannot occupy
- First-principles calculation
- A method of calculating the properties of a material from the principles of quantum mechanics, without using experimental values
NewsLab news
Paper by a graduate published in Advanced Intelligent Systems
Held research presentations, consultations, and lab tours at the graduate school information session for the materials department
Student received a Student Award at the Thin-Film Materials and Devices Meeting
The Kamiya Lab was launched following the promotion of Prof. Katase to Professor
Student received a Poster Award at the international conference STAC15
ResearchResearch themes
A single lab handles everything from materials exploration by computational science to synthesis in experiments and demonstration of thin-film devices. The lab aims to create new functional electronic materials and devices that overturn what has long been taken as conventional wisdom.
*Illustrative imageOxide semiconductors that can be made at room temperature
At a time when it was believed that good semiconductors could not be made unless they were crystalline, the lab demonstrated that IGZO, an oxide composed of In-Ga-Zn, can make a high-performance transistor even when amorphous, and invented transparent, flexible transistors.
*Illustrative imageAmorphous semiconductors with a wide bandgap
By correctly understanding the doping mechanism and defects of amorphous oxides, the lab succeeded in developing a-Ga-O, an amorphous oxide semiconductor with a bandgap of 4.12 eV. It is expected to be applied to power devices.
*Illustrative imageDesigning new materials by computation
The lab designs materials by combining molecular dynamics, first-principles quantum calculations, machine learning, and device simulation with the insight of materials researchers. Starting from germanium oxide, long regarded as a good insulator, it predicted SrGeO3 as a transparent conductor and realized it experimentally.
MembersFaculty
The Kamiya Lab consists of faculty members, postdoctoral researchers, doctoral, master's, and undergraduate students, secretaries, and technical support staff.As of 2026
- ProfessorToshio Kamiya
- Assistant ProfessorKeisuke IdePublications ↗
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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: “Flexible display” U.S. Army RDECOM / CC BY 2.0 (cropped)
- Oxide semiconductors that can be made at room temperature: “Red-Square-sub-pixel-weirdness” librsvg2.40, Lommes / CC0 (cropped)
- Amorphous semiconductors with a wide bandgap: “Wafer - 2” Windell Oskay / CC BY 2.0 (cropped)
- Designing new materials by computation: “Visual Molecular Dynamics visualization” Toughpkh / Public domain (cropped)
- Related lab (平松研究室): “InGaN crystal SEM+CL” FDominec / CC BY 4.0 (cropped)
- Related lab (片瀬研究室): “Wire for ITER superconducting magnets ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Related lab (松下祥子研究室): “Krafla geothermal power plant” Hansueli Krapf / CC BY-SA 3.0 (cropped)
- Related lab (北本研究室): “Ferrofluid Magnet under glass edit” Gregory F. Maxwell / CC BY-SA 3.0 (cropped)
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