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56 labs · 5 student voices
Other departments in College of Science and Engineering ›Faculties at University of Tsukuba ›

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
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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
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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.

Tokushi Kizuka, Professor
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The Materials Microstructure Lab develops metals, ceramics, semiconductors, and composite materials based on electron microscopy. Experiments center on fabricating materials, examining their microstructure with a transmission electron microscope, and evaluating their physical properties. The lab also develops electron microscopes that can manipulate the arrangement of atoms in a material while observing it, and even measure its properties.

Shinji Kuroda, Professor
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The Spintronics Lab aims to realize spintronics, a new kind of electronics that uses electron spin. Conventional electronics has used only the electric charge of electrons, but it is expected that using spin as well will make more highly functional devices possible. The lab makes dilute magnetic semiconductors, which are semiconductors mixed with a small amount of magnetic atoms, by methods such as molecular beam epitaxy, and investigates their properties. Research is mainly experimental, proceeding from sample fabrication to measurement, analysis, and reporting at the lab seminar.

Kazuhiro Marumoto, Professor
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The Organic Semiconductor Physics and Engineering Lab fabricates electronic devices using organic and inorganic semiconductors and studies what happens inside them. It makes electronic devices such as solar cells, light-emitting devices (such as organic EL), and transistors, and investigates them by combining electrical conduction and optical measurements with electron spin resonance (ESR). The lab works at the molecular and atomic level to control and improve device performance and to elucidate how devices operate and degrade. On the lab's website, it is introduced under the name "Marumoto-Okamoto Lab."

Hiroyuki Ishii, Professor
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The Computational Materials Science Lab studies the electron transport properties of organic semiconductors, nanocarbon systems, and other materials through computer calculations based on quantum theory. The lab has developed the time-dependent wavepacket diffusion method, a large-scale calculation method that can calculate electric current and heat flow in nano- to micron-scale systems starting from an atomic and molecular picture. Because this method can handle assemblies of nearly 100 million atoms and molecules at room temperature, it has the advantage that its results can be compared quantitatively with experiments. The lab carries out its research in cooperation with the theory group of the Research Center for Organic-Inorganic Quantum Spin Science and Technology.

Hee Young Kim, Professor
0 student voices
The Functional Metallic Materials Lab develops biomedical shape memory alloys, superelastic alloys, and low-Young's-modulus alloys, aiming at medical and industrial applications. Using experimental and computational data together with machine learning, the lab searches for new alloy compositions that show the desired functions, and for guidelines for materials design. The lab works consistently from fabricating alloys, through evaluating their mechanical and functional properties, to analyzing their atomic-level microstructure with electron microscopy. On the lab's website, the lab is introduced under the name "Kim-Ko Lab."
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