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Response Properties (Y) Lab
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The lab creates new materials based on the "response" of matter when electric fields or light are applied.

AboutAbout the lab
Pursuing novel response properties hidden in diverse structures.
The Response Properties Lab (Y Lab) studies the "responses" that appear when electric fields, magnetic fields, pressure, and the like are applied to materials.
Responses such as polarization, magnetization, and strain offer clues to the inner workings of materials and can also become tools that enrich daily life.
The lab synthesizes materials with distinctive structures, such as crystals, quasicrystals, and glasses, in house and measures their responses over wide ranges of temperature and frequency.
The lab pursues two complementary lines of work: basic research in condensed matter physics and applied research aimed at innovation in science and technology.
Key terms
- Polarization
- A shift in the positions of positive and negative charge within a material, creating an electrical imbalance
- Permittivity
- A quantity expressing how readily a material polarizes when an electric field is applied. It affects the performance of capacitors
- Quasicrystal
- A material whose atoms are arranged in an orderly way but which lacks the periodic repetition of a crystal
NewsLab news
A master's student won an Outstanding Student Presentation Award from the Physical Society of Japan
A doctoral student won a Special Award at the Kanto Branch Meeting of the Ceramic Society of Japan
Discovery of a new antiferroelectric material (press release)
A master's student won the Forest Award at the Young Researchers' School of "Hyper-Ordered Structure Science"
ResearchResearch themes
The lab works on creating new dielectric, magnetic, and optical responses in a variety of structures, including crystals, quasicrystals, glasses, defects, and interfaces. It mainly synthesizes sintered samples and single crystals of oxides and intermetallic compounds, and measures their responses to electric fields, magnetic fields, light, and pressure, from low temperatures of a few millikelvin to high temperatures of several hundred kelvin.
View More ↗MembersFaculty
The members of the Response Properties Lab are faculty, technical staff, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorHiroki Taniguchi
- LecturerKazuhiko Deguchi
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
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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: “Dense pellet forming9” Dominik Bejma, Marta Kowalkińska / CC BY-SA 4.0 (cropped)
- Designing and Creating Materials with New Responses: “Perovskite” Cadmium at English Wikipedia / Public domain (cropped)
- Related lab (プラズマ理論 (P)): “Cross-section of the Wendelstein 7-X plasma vessel” Siarhei Besarab / CC BY-SA 4.0 (cropped)
- Related lab (複雑性科学実験 (ΣE)): “Experimental hall of the Wendelstein 7-X stellarator at IPP Greifswald 04” Siarhei Besarab / CC BY-SA 4.0 (cropped)
- Related lab (銀河進化学 (Ω)): “UGC 1810 and UGC 1813 in Arp 273 (captured by the Hubble Space Telescope)” NASA, ESA, and the Hubble Heritage Team (STScI/AURA) / Public domain (cropped)
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