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Kaizu Lab
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The lab works on nanostructures such as quantum dots and on optoelectronic devices.

AboutAbout the lab
Next-generation optoelectronic devices opened up by quantum dots.
The Kaizu Lab shares a website with the Yamaguchi Lab and the Miyashita Lab and carries out its activities jointly with them.
According to the research overview on the website, the Yamaguchi-Miyashita Lab fabricates nanometer-sized materials and studies their properties, conducting basic research that leads to the development of new next-generation optoelectronic nanodevices.
The central theme is the quantum dot structure, which confines electrons and holes in three dimensions.
In addition to how to fabricate quantum dots and quantum nanowires and how to evaluate their properties, the site also covers applications such as semiconductor lasers and solar cells.
Key terms
- Quantum dot
- A nanometer-sized structure that confines electrons and holes in three dimensions
- Quantum nanowire
- A structure also called a quantum wire. On the website, it is presented alongside quantum dots, with research on its formation process and fabrication techniques
- Optoelectronic nanodevice
- A nanometer-sized device that makes use of the behavior of light and electrons. Examples include semiconductor lasers and solar cells
NewsLab news
Paper by Associate Professor Kaizu and colleagues published in the Japanese Journal of Applied Physics
Professor Yamaguchi and Associate Professor Kaizu co-authored chapters of the book 'The Forefront of Quantum Dot Technology'
ResearchResearch themes
According to the research overview on the website, the Yamaguchi-Miyashita Lab fabricates nanometer-sized materials, studies their properties at the nanometer and atomic levels, and conducts basic research toward developing new next-generation optoelectronic nanodevices. The central theme is the quantum dot structure, which confines electrons and holes in three dimensions.
View More ↗MembersFaculty
Members of the Yamaguchi-Miyashita-Kaizu Lab consist of faculty, doctoral, master's, and undergraduate students, and administrative assistants (secretaries).As of 2025
- Associate ProfessorToshiyuki Kaizu
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: “Quantum Dots” Brandon CP BMED / CC BY-SA 3.0 (cropped)
- Fabrication and evaluation of quantum dots and quantum nanowires: “Quantum dots 2” Marc Vidal / CC BY-SA 4.0 (cropped)
- Related lab (Yamaguchi Lab): “U.S. Department of Energy - Science - )” U.S. Department of Energy from United States / Public domain (cropped)
- Related lab (Tanaka Lab): “Mitochondrial DNA lg” National Human Genome Research Institute / Public domain (cropped)
- Related lab (Shinohara Lab): “Magnetic fields; Transmission electron microscope ( )” National Institute of Standards and Technology / Public domain (cropped)
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