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1,294 labs · 618 student voices

Shinji Miwa, Associate Professor
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The Miwa Lab studies quantum spintronics, which uses the property of electron "spin" to advance electronics. Everyday items such as home appliances, computers, and cars are full of magnets (magnetic materials). The lab combines magnetic and non-magnetic metals with organic and biological molecules at the atomic and molecular level to create new properties. Using techniques for stacking atomic layers together with state-of-the-art measurement techniques, the lab builds and studies new quantum spintronic devices.

Keiichi Inoue, Professor
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The Inoue Lab studies how proteins that operate on light energy work. Focusing on rhodopsins found in microbes and animals, the lab investigates the reactions that occur inside a protein after it absorbs light, using methods such as laser-based spectroscopy. Based on these findings, the lab also works on applications to optogenetics, a technology for controlling living organisms with light. The lab also searches vast genomic datasets for new photoreceptor proteins, and pursues research that uses machine learning and automated experiments.

Yuji C. Sasaki, Professor
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The Sasaki Lab studies methods for measuring the motions that occur inside a single molecule, such as a protein. The lab uses its own single-molecule X-ray measurement method, Diffracted X-ray Tracking (DXT), in which gold nanocrystals are attached to a protein as markers and X-rays are directed at them to follow the protein's motion. The lab aims to confirm, at the single-molecule level, that biological molecules are not rigid like a "lock and key" but move very flexibly. Experiments are carried out at synchrotron radiation facilities such as SPring-8, and the lab also proposes new measurement methods and analysis methods for extracting information from high-speed video.

Yoshihisa Harada, Professor
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The Harada Lab studies the electronic states of a wide range of materials using light known as soft X-rays. The lab specializes in soft X-ray emission spectroscopy, which shines soft X-rays on a material and precisely measures the energy of the soft X-rays that come out, and reads the "color" of the electronic states element by element. Its targets are broad, including water and aqueous solutions, solid-liquid interfaces, rechargeable battery materials, and catalysts. Using the synchrotron radiation facilities NanoTerasu and SPring-8, the lab works on operando spectroscopy, which captures what happens inside a material while it is functioning.

Jun Yoshinobu, Professor
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The Yoshinobu Lab studies how atoms and molecules move and react on solid surfaces. A solid surface is a "reaction field" where atoms and molecules supplied from outside can be assembled into new materials. Using vibrational spectroscopy, photoelectron spectroscopy, and scanning tunneling microscopy, the lab investigates the structure, properties, and reactions of model catalysts and low-dimensional materials such as atomic layers. This research helps us understand not only catalysts and devices but also chemical reactions in the global environment and in space.

Atsuhiko Miyata, Associate Professor
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Miyata Lab uses extremely strong magnetic fields to study new quantum phenomena and properties in materials. The lab develops nondestructive pulse magnets and also creates new methods for measuring material properties in pulsed magnetic fields. Using magneto-optical spectroscopy, which probes material properties with light, the lab investigates excitons and other phenomena in van der Waals materials. The lab also conducts research in magnetic fields exceeding 100 T, a regime unmatched anywhere else in the world.

Minoru Yamashita, Associate Professor
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The Yamashita Lab studies quantum phenomena that appear at extremely low temperatures, especially quantum condensed phenomena known as quantum liquids. The lab investigates the thermal Hall effect of excitations that do not carry electricity, multipolar order probed by NMR, and superconductivity and quantum critical phenomena in strongly correlated electron systems. The lab also takes on the properties of electrons at ultralow temperatures, even lower than those reachable with a dilution refrigerator, and develops the refrigerators and techniques needed for this.

Junichi Yamaura, Associate Professor
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The Yamaura Lab studies structural condensed matter physics, clarifying the properties of materials on the basis of their crystal structures. The lab works on a wide range of materials, from new superconductors and magnetic materials to applied materials such as dielectrics, semiconductors, and solar cells. Samples are synthesized in the lab or received from collaborating groups, and their structures are examined with the lab's X-ray diffractometer and at large-scale facilities using synchrotron radiation and neutrons. With the motto "research that is fun: make it, then measure it," the lab also explores ways to draw out higher performance from materials.

Kozo Okazaki, Associate Professor
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The Okazaki Lab studies the electronic states inside materials using angle-resolved photoemission spectroscopy (ARPES), a technique that examines the electrons emitted when light is shone on a material. Using a laser ARPES system with the highest performance in the world, the lab aims to elucidate how unconventional superconductors become superconducting. Using time-resolved measurements with high-order harmonic lasers, the lab also investigates how electrons change after light irradiation, as well as photoinduced phase transitions. In collaboration with laser development labs, the lab also works on developing the instruments themselves.

Yoshihiko Okamoto, Professor
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The Okamoto Lab searches for new crystalline materials that show unusual quantum phenomena and novel electronic functions. Focusing on inorganic compounds containing transition metals, the lab makes materials from all kinds of elements using a variety of synthesis methods. Combining ideas for new materials with information from databases, the lab searches for materials with a focus on superconductivity, magnetism, and energy conversion. The lab more often encounters unexpected properties than the ones it was aiming for, and considers this the fascinating part of exploring new materials.
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