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Taniguchi Lab
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A lab that focuses on chirality to explore new properties of light, charge, and spin.

AboutAbout the lab
Electronic properties woven from light, charge, and spin.
The Taniguchi Lab studies electronic properties that arise when light, charge, and spin are coupled, in chiral organic–inorganic hybrid semiconductors, magnetic materials, and other systems.
Many properties of materials, such as conducting electricity, emitting light, and acting as a magnet, arise from the behavior of the electrons inside.
The lab works in a “self-sufficient” style, handling everything from synthesizing materials to measuring their properties itself.
In recent years, it has focused especially on chirality, the property of a material being right-handed or left-handed.
Key terms
- Chirality
- The property of an object whose mirror image cannot be superimposed on the original, like a right hand and a left hand.
- Spin
- A property of electrons that makes them behave like tiny magnets. It is the origin of magnetism in materials.
- Organic–inorganic hybrid perovskite
- A crystal made by combining organic molecules and inorganic components. It is attracting attention as a material for solar cells.
NewsLab news
Result from an alumnus's master's thesis published in Nano Letters
Press release on ON-OFF switching of chirality (ACS Nano)
A master's student won the Outstanding Presenter Award at the Chimera Quasiparticle area meeting
A paper on the optical magnetoelectric effect was published in Chem. Mater.
Press release on electrical control of chiral electronic states (Sci. Adv.)
ResearchResearch themes
The lab focuses on electrons inside materials and works to create cooperative properties arising from the interplay of light, charge, and spin by linking electrical conductivity, optical properties, and magnetism. It carries out everything from material synthesis to property evaluation itself, and in recent years has worked on organic–inorganic hybrid compounds and on chirality, the right-handedness or left-handedness of matter.
*Illustrative imageElectrical control of electronic states with chiral molecules
Using a transistor with an ionic liquid made of chiral molecules, the lab confirmed that an electric field adsorbs chiral molecules onto a semiconductor surface and gives rise to chiral electronic states. The adsorption and desorption can be reversed electrically.
*Illustrative imageLight and current in chiral hybrid compounds
By introducing chirality into the organic molecules of organic–inorganic hybrid perovskites, the lab has observed a phenomenon in which current flows spontaneously just by shining light, without applying an external voltage.
*Illustrative imageSwitching a magnet by moving ions in and out
Using the mechanism of lithium-ion batteries, the lab succeeded in reversibly switching the magnetic state of a metal–organic framework (MOF) magnet ON and OFF in step with charging and discharging.
*Illustrative imageMagnetoelectric effects in multiferroics
The lab focuses on multiferroics, materials that have both ferroelectricity and magnetism, and has discovered new multiferroics among magnetic materials with helical magnetic structures.
MembersFaculty
The Taniguchi Lab consists of faculty, administrative assistants, and master's and undergraduate students.As of 2026
- ProfessorKouji TaniguchiPublications ↗
- Assistant ProfessorPo-Jung HuangPublications ↗
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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: “Sinistral x dextral Limicolaria martensiana” Jxd / CC BY-SA 4.0 (cropped)
- Electrical control of electronic states with chiral molecules: “Molybdenite (GeoDIL number - 162)” Shannon Heinle / CC0 (cropped)
- Light and current in chiral hybrid compounds: “Perovskite solar cell” Dennis Schroeder / National Renewable Energy Laboratory / Public domain (cropped)
- Switching a magnet by moving ions in and out: “MOF-5 Crystal Structure” Axs154 / CC BY-SA 4.0 (cropped)
- Magnetoelectric effects in multiferroics: “Hübnerite - Pasto Bueno, Ancash, Peru” Ivar Leidus / CC BY-SA 4.0 (cropped)
- Related lab (川口研究室): “Double vac line front view” Polimerek / CC BY-SA 3.0 (cropped)
- Related lab (山下・森本研究室): “Gas line IMG 20230205” Jonathansammy / CC BY-SA 4.0 (cropped)
- Related lab (沖本研究室): “Ferroelectric domains at a PZT grain boundary ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Related lab (八島研究室): “SPring- img pano” en:User:Artorius / CC BY-SA 3.0 (cropped)
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