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Interface Quantum Science Lab
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A lab that studies spintronics-based sensors and devices.
AboutAbout the lab
Developing sensors and devices centered on spintronics
The Interface Quantum Science Lab (Chiba Lab) studies spintronic devices and sensors.
The lab develops flexible devices, strain sensors, and a scanner for inspecting rebar inside concrete.
The lab was founded at the University of Tokyo in 2013 and moved to Research Division 1 of the Institute of Scientific and Industrial Research at Osaka University in April 2019.
With the move, the lab also took on a concurrent affiliation with the School of Engineering Science.
Key terms
- Spintronics
- A field of electronics that uses not only the electric charge of electrons but also their magnetic property (spin)
- Domain wall
- The boundary between regions with different magnetization directions inside a magnet
- Magnetic tunnel junction
- A device in which a thin insulator is sandwiched between two magnetic layers
- Magnetic anisotropy
- The property by which how easily magnetization points in a given direction depends on the direction
NewsLab news
Domain wall velocity controlled through hydrogen absorption in palladium; published in Applied Physics Letters
Began developing a rebar scanner for underwater inspection with Berutekusu
Ultrafast thermal processing of magnetic tunnel junctions with light pulses; published in npj Spintronics
High durability of the spin-dynamics sensor demonstrated; published in APL Electronic Devices
Developed a handheld rebar scanner with Kyoei Sangyo
ResearchResearch themes
The lab studies how to control the magnetic properties of spintronic devices and materials using hydrogen, strain, and other means. It is also developing, jointly with companies, a scanner that uses magnetism to inspect rebar inside concrete.
*Illustrative imageControlling domain wall motion with hydrogen
The lab demonstrated that the speed of domain wall motion can be controlled by using hydrogen absorption in palladium. In 2025, it also showed that magnetism can be controlled through the action of a catalyst.
*Illustrative imageDiagnosing rebar inside concrete
With Kyoei Sangyo, the lab developed a rebar scanner that non-destructively maps the arrangement of reinforcing bars inside concrete simply by being traced over the surface. In 2026, the lab began developing a scanner for underwater inspection with Berutekusu.
*Illustrative imageSoft strain sensors
The lab studies strain sensors that use flexible magnetic tunnel junctions. In 2026, it demonstrated the high durability of this spin-dynamics sensor.
*Illustrative imageEmbedding new functions in thin films
The lab developed a method for embedding new functions, such as magnets, into nanometer-scale thin films. It tunes magnetic anisotropy using strain built into the film.
MembersFaculty
The members of the Chiba Lab consist of faculty, visiting professors, project researchers, master's and undergraduate students, administrative assistants, and technical assistants.As of 2026
- ProfessorDaichi Chiba
- Associate ProfessorTomohiro Koyama
- Assistant ProfessorAkiko Imai
- Assistant ProfessorToshiaki Morita
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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: “Magnetic Sensor ( )” National Institute of Standards and Technology / Public domain (cropped)
- Controlling domain wall motion with hydrogen: “Domain walls by Zureks” Zureks / Public domain (cropped)
- Diagnosing rebar inside concrete: “Ferro-scanning-rebar-detection gpr” Paulj6891 / CC0 (cropped)
- Soft strain sensors: “SmartCare wrist-worn pulse oximeter” Peter H Charlton / CC BY 4.0 (cropped)
- Embedding new functions in thin films: “Nano-layer of Ruthenium Stabilizes Magnetic Sensors ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (先進電子デバイス研究分野
（関谷研） ): “PlasticLogic flexible display” Steve Jurvetson / CC BY 2.0 (cropped) - Related lab (知識科学研究分野
（駒谷研） ): “Arxiu audio” Jordi R. / CC BY 3.0 (cropped) - Related lab (量子システム創成研究分野
（大岩研） ): “New Quantum Dot Transistor Counts Individual Photons ( )” National Institute of Standards and Technology / Public domain (cropped) - Related lab (複合知能メディア研究分野
（中島研） ): “Artificial Worldviews Mapping ChatGPT” Kimfalbrecht / CC BY-SA 4.0 (cropped)
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