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Functional Materials Physics Lab
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The lab studies gas sensors and secondary batteries built by combining oxides.

AboutAbout the lab
Putting the functions of inorganic materials to work in sensors and batteries.
The Functional Materials Physics Lab focuses on oxides, among the functional inorganic materials that conduct electricity, store electricity, or emit light.
By combining materials with functions such as conducting electrons, conducting ions, and reacting in special ways with gas molecules, the lab works on new gas sensors and secondary batteries.
The performance of gas sensors and secondary batteries can be greatly improved by controlling the combination of materials, their shape, size, and composition.
The lab invites students to join in developing new gas sensors and secondary batteries that can help solve energy and environmental problems.
Key terms
- Gas sensor
- A device that detects gas molecules in the air or other environments
- Secondary battery
- A battery that can be recharged and used repeatedly
- Ceramics
- Materials made by firing and hardening inorganic substances such as oxides
ResearchResearch themes
The lab focuses on oxides and aims to create new gas sensors and secondary batteries by combining functional inorganic materials. Its main research themes are sensors that detect gas molecules, nonflammable next-generation batteries, and ceramics that separate oxygen.
*Illustrative imageA Sensor That Detects One Gas Molecule in a Trillion
The lab is developing an ultra-high-performance, ultra-compact gas sensor that can detect one gas molecule in a trillion.
*Illustrative imageA Single Sensor That Detects Many Types of Gas
The lab is developing a gas sensor that can detect many different types of gas molecules with a single device.
*Illustrative imageNonflammable Next-Generation Secondary Batteries
The lab is developing nonflammable next-generation secondary batteries made entirely of ceramics.
*Illustrative imageCeramics That Separate Oxygen from Air
The lab is developing ceramics that separate only oxygen from air. According to the researcher information, Associate Professor Ken Watanabe's research themes include oxygen separation using mixed-conducting perovskite oxides.
MembersFaculty
- Associate ProfessorKen Watanabe
- Associate ProfessorKoichi Suematsu
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: “Bloated rechargeable batteries” Tobias ToMar Maier / CC BY-SA 3.0 (cropped)
- A Sensor That Detects One Gas Molecule in a Trillion: “Smoke detector, Russia (06)” Georg Pik / CC0 (cropped)
- A Single Sensor That Detects Many Types of Gas: “KP836 Portable Multi-gas Detector” SabirovaNigora / CC BY 4.0 (cropped)
- Nonflammable Next-Generation Secondary Batteries: “Battery Cell” SarKaLay / CC0 (cropped)
- Ceramics That Separate Oxygen from Air: “Membrane oxygen plant” User:GRASYS / CC BY-SA 3.0 (cropped)
- Related lab (ナノ構造解析学研究室): “Morpho helena wing detail” OKJaguar / CC BY-SA 4.0 (cropped)
- Related lab (先進ナノマテリアル科学研究室): “Neon atoms between graphene sheets ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Related lab (先端機能材料研究室): “Hypervelocity impact damage on silica glass” Jasalem21 / CC0 (cropped)
- Related lab (結晶
物性工学研究室): “Diamagnetic graphite levitation” en:User:Splarka / Public domain (cropped)
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