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777 labs · 30 student voices

Takeaki Sakurai, Professor
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The Semiconductor Materials Lab develops semiconductor materials for solar energy conversion and power electronics, and investigates their properties. The materials it works with include nitrides, oxides, chalcogenides, perovskites, diamond, and organic semiconductors. Its research topics are compound semiconductor solar cells, photocatalysts that split water using light, wide-bandgap semiconductors such as diamond, and organic semiconductors. The lab also collaborates with researchers in the United States, Europe, and Asia.

Islam Muhammad Monirul, Associate Professor
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The Energy Materials and Devices Lab fabricates thin-film semiconductors and investigates their crystal structure, defects, and interface properties. Its subjects include thin films of bismuth vanadate (BiVO4), used in photoelectrodes that split water under light, CIGS and perovskite solar cells, and molybdenum disulfide (MoS2). The lab's faculty member, Associate Professor Islam Muhammad Monirul, works in the fields of "thin-film and surface/interface physical properties" and "crystal engineering." His research keywords include solar cells, photocatalysis, and electrochemistry.

Yoshikazu Ito, Professor
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The lab conducts broad research that spans nanomaterial synthesis, measurement of physical properties, catalyst development, and application to energy devices. It investigates the properties of materials in which graphene, a thin sheet of carbon, is given a three-dimensional structure, as well as catalytic reactions based on electrochemistry, with the aim of opening up new nanoscience. In recent years, it has put particular effort into developing carbon-neutral technologies, such as hydrogen energy and the chemical fixation of carbon dioxide. On the lab's website, the lab is introduced under the names "Ito Lab" and "Ito-Chida Lab."

Ryu Hasunuma, Associate Professor
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The Nanostructure Control Lab studies nanoelectronics, semiconductor processes, and gate dielectrics technology. On the research page, the SiO2 group is introduced with "Dreams. Adventure. Welcome to the ultra-small world!" and the SiC group with "New materials for the future, taking on the energy problem." The researcher profile of the lab's faculty member lists SiC, Si, SiO2, and reliability as research keywords. The lab's website also introduces it under the name "Yamabe-Hasunuma Lab," but the content of the site dates from around 2017.

Hironori Okumura, Associate Professor
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The Ultra-Wide Bandgap Semiconductor Lab uses ultra-wide bandgap semiconductors such as GaN, AlN, Ga2O3, and Al2O3 to study devices for optics and electronics. Its research covers crystal growth, devices for high power and high temperature, pixel detectors for particles, and biomedical devices. The lab recruits undergraduate students, graduate students, and postdocs from around the world. If you are interested, email the lab to arrange a meeting. On the lab's website, it is presented under the name "Okumura Group."

Noriyuki Iwamuro, Professor
0 student voices
The Power Electronics Lab studies power electronics systematically, with a view from materials all the way to final products and systems. Rather than treating materials, devices, modules, circuits, and systems separately, the lab aims to research and develop them in close coordination with one another. The lab works with the National Institute of Advanced Industrial Science and Technology (AIST) and the High Energy Accelerator Research Organization (KEK), and also actively pursues joint research with companies (industry-academia collaboration). Undergraduates from the Department of Applied Science and Engineering in the School of Science and Engineering can join the lab as senior thesis students, and lab visits are accepted at any time.

Takahide Umeda, Associate Professor
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The Umeda Lab (Electron Spin Resonance Spectroscopy Lab) uses electron spin resonance (ESR) to research and develop low-power electronic materials. ESR makes it possible to examine crystal defects, the abnormal sites in a material, in detail. These abnormal sites cause extra current and power consumption in devices, so if they can be reduced or controlled, low-power devices can be made. The lab works with private companies and external research institutions to investigate abnormal sites inside a variety of devices.

Akira Uedono, Professor
0 student voices
The Uedono Lab studies materials evaluation using a phenomenon called positron annihilation. The lab investigates the physical properties of materials by measuring the energy distribution of the gamma rays emitted when a positron collides with an electron and the two annihilate, as well as the lifetime of the positron. The materials it evaluates range widely, including metals, semiconductors, and polymers. Through joint research with companies and research institutions in Japan and abroad, the lab evaluates and analyzes samples provided to it, supporting materials development. Alongside materials evaluation, the lab also develops and improves slow positron beamlines and positron lifetime measurement systems.

Kenichi Hino, Professor
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The Theoretical Optical Physics Lab studies, through theory and computation, phenomena arising from the interaction between laser light and condensed matter systems such as semiconductors and molecular crystals. In particular, from the perspectives of nonequilibrium quantum dynamics and quantum control, the lab aims to explore new physical phenomena created by the interaction between light and condensed phases, and to extend them to applications. On the lab's website, it is introduced as the Hino-Maeshima "Theoretical Optical Physics" Lab.

Kiyoto Matsuishi, Professor
0 student voices
The Solid-State Optical Physics and Engineering Lab uses light to act on materials and investigates the properties of semiconductors from their responses. Using spectroscopic methods, the lab investigates the optical properties, photoinduced phenomena, phase transitions, and ultrahigh-pressure properties of semiconductors, and also develops optically functional materials. Its subjects include nanometer-sized semiconductor crystals (quantum dots) and perovskite-type semiconductors that combine organic and inorganic components. On the lab's website, it is introduced as the Matsuishi Lab.
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