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Semiconductor Physics and Engineering Lab
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The lab breaks through the limits of semiconductors to build an energy-saving future.
AboutAbout the lab
Breaking through the limits of semiconductors.
The Semiconductor Physics and Engineering Lab (the Kimoto Lab) works on research that contributes to solving energy and environmental problems. It does so by introducing new materials, new structures, and original operating principles to break through the limits of existing semiconductors.
All kinds of devices and systems are strongly required to deliver not merely higher performance but also lower power consumption and greater energy savings.
The lab combines science and engineering and strives to carry out research at the forefront of the world.
Key terms
- Wide-bandgap semiconductor
- A semiconductor with a wider bandgap than silicon that withstands high voltages and temperatures. Examples include SiC and GaN.
- Power device
- A semiconductor element for converting and controlling electric power.
- MEMS
- Ultra-small mechanical components and sensors made using semiconductor microfabrication technology.
ResearchResearch themes
The lab studies the physical properties of wide-bandgap semiconductors SiC and GaN and ultra-low-loss power devices, semiconductor nanowires, resistive switching memory, and sensors with new functions.
*Illustrative imageSiC and GaN power devices
SiC and GaN, which have wide bandgaps, can realize ultra-high-performance devices that far exceed the theoretical limits of conventional semiconductors. The lab elucidates and controls their physical properties and leads basic research on ultra-low-loss power devices.
*Illustrative imageNanowire transistors
To use semiconductor wires only nanometers thick (nanowires) as transistors in next-generation integrated circuits, the lab studies the physics of electron and hole transport inside nanowires.
*Illustrative imageFast, small memory based on resistance switching
The lab conducts basic research on compact, high-speed non-volatile memory (ReRAM) that uses a phenomenon in which an oxide sandwiched between metals switches repeatedly between high and low resistance simply by applying a voltage.
*Illustrative imageSensors that work in harsh environments
The lab studies MEMS, ultra-small devices made by semiconductor microfabrication, from the perspective of semiconductor materials and control of physical properties. The goal is high-temperature MEMS that resist heat and corrosion and can be used around automobile engines and in space.
MembersFaculty
The faculty of the Semiconductor Physics and Engineering Lab are Professor Tsunenobu Kimoto, Associate Professor Mitsuaki Kaneko, and Assistant Professor Kyota Mikami.
- ProfessorTsunenobu Kimoto
- Associate ProfessorMitsuaki Kaneko
- Assistant ProfessorKyota Mikami
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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: “Rounded Silicon Carbide Ingot” LaMèreVeille / CC BY-SA 4.0 (cropped)
- SiC and GaN power devices: “IGBT 2441” Daniel*D / CC BY-SA 3.0 (cropped)
- Nanowire transistors: “Nanowires that Emit UV Light ( )” National Institute of Standards and Technology / Public domain (cropped)
- Fast, small memory based on resistance switching: “M27c322-100f1 EPROM chip” Engine9 / CC BY-SA 4.0 (cropped)
- Sensors that work in harsh environments: “MEMS Microcantilever in Resonance” Patrick C. Fletcher / CC BY-SA 3.0 (cropped)
- Related lab (Low-Power Integrated Circuit Design Lab): “Mpw4-top-HD” Zeptobars; Mikhail Svarichevsky / CC BY 3.0 (cropped)
- Related lab (Integrated Computing Lab): “286 AT motherboard” Mister rf / CC BY-SA 4.0 (cropped)
- Related lab (Intelligent Circuit Design Lab): “Close-up of a VHS Player Circuit Board 2” DiscoA340 / CC0 (cropped)
- Related lab (Electromagnetic Energy Engineering Lab): “Cut-away version of an electric motor (1)” S.J. de Waard / CC BY 2.5 (cropped)
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