Research Information

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“Open-Shell Character” Pioneers a Novel Class of Nonlinear Optical Materials

Prof. Masayoshi Namkano, Assoc. Prof. Yasutaka Kitagawa, Assist. Prof. Ryohei Kishi

Most of materials in chemistry are composed of molecules, which consist of plural atoms held together by “chemical bond”.  Namely, the first step to understand the structure, property, and reactivity of materials is to elucidate the nature of “chemical bond”.  The f...

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Energy-Saving Organic Field Effect Transistor

-Elucidation of Function from Liquid/Solid Interfacial Analysis-

Professor Ken-ichi Fukui, Associate Professor Akihito Imanishi, Assistant Professor Yasuyuki Yokot

 No current flows by just applying a voltage to an organic crystal but sufficient conductivity appears if holes are introduced to the crystal as carriers. Organic field effect transistor (OFET) switches the current magnitude by changing the introducing hole amount using a gate electrode separat...

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Diamond Quantum Spintronics

~ Control of single spin, photon, and charge at room temperature ~

Y. Suzuki, N. Mizuochi, S. Miwa, T. Shinjo, E. Tamura, H. Morishita, T. Tashima

 Recently, one of our main research topic is diamond quantum spintronics. This is mainly conducted by Assoc. Prof. N. Mizuochi. In diamond, various kind of impurities can be incorporated. Among them, a NV center is well known, which consists of Nitrogen (N) and Vacancy (V). The NV center is signif...

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Control and design of multi-agent systems

Toward development of robust systems against selfish behaviors of agents

Professor Toshimitsu Ushio, Associate Professor Takafumi Kanazawa, Assistant Professor Takuya Azumi

Our research interests include a wide variety of topics on analyzing and designing large-scale complex systems. Among these topics, we would like to introduce some research topics of Associate Prof. Kanazawa related to ``control and design of multi-agent systems.´´ Multi-agent systems c...

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Algorithms for measuring randomness and the theory of mathematical statistics.

Statistical Analysis Group: Prof. Hidetoshi Shimodaira, Assoc. Prof. Fuyuhiko Tanaka, Assist. Prof.

Are rabbits more closely related to humans or mice? Judging by appearance, most people may think it is the latter of the two. Modern biology utilizes genetic information stored in DNA, instead of the appearance, for the classification of species. Branching from the common ancestor, the process of ev...

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Robot Arm with Human-like Muscular Skeleton Structure

Prof. Koh Hosoda, Assoc. Prof. Masahiro Shimizu, Reseach Assist. Prof. Shuhei Ikemoto

Tools and machines in our society are designed for easy use of humans. For example, a door is designed for humans: if the knob of the door is located in front of your eyes, not at the waist height, you feel unease when you turn the knob. If the knob is placed at knee level, it is also difficult for ...

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Sensitivity enhancements of NMR spectroscopy and MRI using laser and microwave

Prof. Masahiro Kitagawa, Assist. Prof. Akinori Kagawa, Assist. Prof. Makoto Negoro

Magnetic resonance imaging (MRI) and nuclear magnetic resonance (NMR) spectroscopy are powerful tools to analyze the atomic structure inside material from the radio frequency magnetic signal induced by nuclear spins. Normally, the nuclear spin polarization is very low, and hence, the NMR signal is v...

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Non-equilibrium ion transport phenomena in micro- and nanospaces

Prof. Satoyuki Kawano, Assoc. Prof. Kentaro Doi, Assist. Prof. Itsuo Hanasaki and Testuro Tsuji

   A principle of energy conversion due to ion transports between a pair of electrodes can be seen in batteries. Recently, novel technologies associated with rechargeable batteries and capacitors have been developed by using micro/nano-fabrication processes. Realizing efficient ion transports ...

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Understanding of breakup mechanism of liquid jets

and applications to producing thin fibers and micro drops

Prof.Nobumasa Sugimoto, Associate Prof.Takao Yoshinaga, Assistant Prof.Yosuke Watanabe, Dai Shimizu

   In our daily life we often observe a dripping flow from a faucet. As the flow rate is increased, it changes to a longer and thinner flow with surface fluctuations in downstream. These behaviors of flows in liquid jets are called dripping and jetting modes, respectively.      ...

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Manipulation of photochemical reactions by laser-induced multiphoton processes.

Professor Hiroshi Miyasaka, Associate Professor Yutaka Nagasawa, Assistant Professor Syoji Ito

   Laser light has several specific properties. Pulsed oscillation with very short time durations and high directivity are representative ones. Ultrashort laser pulse can be applied to the investigation of the chemical reactions induced by the photoexcitation. Detailed information on the react...

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Control of momentum, heat and mass transfer

Professor: Yasunori Okano, Lecturer: Takahiko Ban, Assistant Professor: Youhei Takagi

   When you hear “flow”, what do you image? Generally, one may image water and air flows. The research field targeting fluid flow is called fluid dynamics. However, at our surroundings and industrial processes, heat and mass transfers also occurs at same time as fluid motion. The r...

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