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New longitudinal network observatories, which measure aurora and electromagnetic waves from geospace, have been developed

The Space Observation group has been installed high-sensitive cameras, magnetometers, and antennas at Russia, Canada, Alaska, Iceland, and Finland to monitor longitudinal extent of aurora and radio waves from geospace since 2016, in collaboration with the Arase satellite of JAXA. This project is named as PWING Project. A lot of scientific results have been obtained from this project.

Details are here

(Left) Observation sites of the PWING Project. The Pc1/EMIC waves were observed over 200-deg longitudes at the arrival of specific solar-wind structure called CIR on March 21, 2017. (top right) Interesting blue aurora was observed at that time at Husafell, Iceland (Shiokawa et al., GRL, 2018). (bottom right) Longitudinal distribution of oxygen ions in geospace around the earth (Nos辿 et al., GRL, 2018).

This work is supported by JSPS KAKENHI (JP 16H06286; 16H04057).

Early Detection of Symptoms of Dementia is challenged by measuring EEG (Electroencephalogram).

Furuhashi laboratory identified the model to estimate MMSE (Mini Mental State Examination) score using EEG data measured by a smart chair* equipped with non-contact magnetic sensor. It is expected that the possibility of dementia can be detected at an early stage while an elderly person living alone is relaxing with a smart chair every day.

*Under development in Sustainable Platform Research Group of Nagoya university COI (Center of Innovation)

Details are here

Details are here

Real-time Terahertz spectroscopy and fast spectroscopic imaging system using multi-wavelength terahertz parametric generation were newly developed.

Real-time terahertz spectroscopy and fast spectroscopic imaging system were succeeded using multi-wavelength terahertz parametric generation and detection technique. It can be used for illicit drug detection in a mail and nondestructive testing of the plastic product.

Details are here

Details are here

We have succeeded in the real-time terahertz spectroscopy and fast spectroscopic imaging system using multi-wavelength terahertz parametric generation and detection technique.

DNA damage by tritium disintegration was estimated qualitatively, using molecular dynamics simulation.

We estimate the DNA damage by disintegration of tritium to helium (beta decay) qualitatively using Molecular Dynamics (MD) simulation. In the simulation, we adopted telomere structure of the human DNA. Moreover, we replaced some hydrogen atoms in guanine of the telomere to helium atoms. Then we perfumed MD simulation and analyzed the DNA structure. From this simulation, we found that as the number of the replaced helium increases, the double helix structure of the telomere becomes more fragile.

Fig : As the initial configuration, some hydrogen atoms in guanine of the telomere are replaced to helium atoms (Gray balls). We performed MD simulation, and it is found that this replacement weakens the hydrogen bonding between DNA chains.

The book of Todai Robot Project was published from University of Tokyo Press

Sato-Matsuzaki Laboratory has conducted research on automatic solving university-entrance exam from 2013, as a member of Todai Robot Project. Our research results in three subjects, Japanese Language, Mathematics, and World History, are described in this book.

Details are here

Execution of Stored Programs in a Superconductor Single-Flux-Quantum Microprocessor with Embedded Memories was demonstrated at 50 GHz

We successfully executed programs stored in an instruction memory in a superconductor single-flux-quantum bit-serial, 8-bit microprocessor using 50 GHz clocks. This is the first demonstration of stored-program computing using non-semiconductor integrated circuits.

Details are here

Details are here

Microphotograph of demonstrated microprocessor (Fabricated with the AIST process.)

The highest superconducting property at liquid nitrogen temperature was achieved by introduction of well-aligned artificial pinning centers into high temperature superconducting films.

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(a) plan-view and (b) cross-sectional transmission electron microscopy in RE-based high temperature superconducting films with well-aligned artificial pinning centers.

K. Doi, R. Shioya, and H. Ando proposed hardware and compiler techniques to boost performance in multithreaded execution of a single program.

K. Doi, R. Shioya, and H. Ando(H. Ando Laboratory) proposed hardware and compiler techniques to boost performance in multithreaded execution of a single program.

K. Doi, R. Shioya, and H. Ando, Performance Improvement Techniques in Tightly Coupled Multicore Architectures for Single-Thread Applications, IPSJ Journal of Information Processing, Vol.26, pp.445-460, June 2018.

Success of non-destructive deep imaging of mouse brain using 1.7 um OCT/OCM

Researcher in Nishizawa lab. in Dept. Electronics developed high resolution optical coherence tomography (OCT) / optical coherence microscopy (OCM) using wideband ultrashort pulse fiber laser source at 1.7 um for the first time. Using the developed system, they succeeded in the non-destructive measurement of deep part of mouse brain (hippocampus) with micrometer resolution.

Details are here

Details are here

Large-scale fuzzy metallic nanostructure processing method was newly developed.

Large-scale fiberform nanostructures can be developed on metal surfaces by additional precipitation of metallic particles together with He ion bombardment in plasmas.

Details are here

Fig : A scanning electron microscope micrograph of a part of large-scale fuzzy structure.

Toward the realization of reliable remote machine control: Cross-layer optimization of control and communication

Katayama Laboratory (Institute of Materials and Systems for Sustainability) of Department of Information and Communication Engineering has been conducting research in communication systems for reliable remote machine control, and has proposed cross-layer optimization schemes that achieve not only communication performance improvement but also control performance improvement as an entire system. We are working for further developments of this work partly supported by JSPS Grant-in-Aid for Young Scientists (B) under Grant 15K21071.

Details are listed below (Papers)

Details are listed below (International Conferences)

JOB OPENING (deadline of application: 29 June 2018)

  • Applications are invited for a Professor at Department of Electronics Engineering, Graduate School of Engineering, Nagoya University.

    Details are here.

Toward gas-insulated power apparatus for the next generation with functionally graded materials

Hayakawa Laboratory at the Department of Electrical Engineering has proposed to apply functionally graded materials (FGM) to the compact and advanced gas insulated power apparatus for next generation. Recently, we presented 2 papers on its effect of electric field relaxation and breakdown strength improvement at the international conferences, ISH2017 on high voltage engineering and CEIDP on electrical insulating materials. This research is on-going as a project commissioned by the New Energy and Industrial Technology Development Organization (NEDO) which was approved and started this year.

Details are here

Fig : Fabrication of permittivity graded material (ε-FGM) for gas-insulated switchgear spacers

Formulated Representation for Upper Limitation of Deliverable Power in Low-Voltage DC Distribution System

The research group on electrical-energy conversion engineering (Prof. Y. Yokomizu) has derived the formulated representation for the upper limitation of a deliverable power in a direct-current distribution system, in view of the voltage-instability phenomenon occurring at a load terminal.
This achievement reveals one of the significant properties for the dc delivery system, supporting employment of the direct current delivery in various electric facilities.

Details are here

JOB OPENING (deadline of application: 30 September 2017)

  • Applications are invited for an Assistant Professor at Department of Electronics Engineering, Graduate School of Engineering, Nagoya University.

    Details are here.

JOB OPENING (deadline of application: 30 September 2017)

  • Applications are invited for an Assistant Professor at Research Group of Electrical Energy Conversion, Department of Electrical Engineering, Graduate School of Engineering, Nagoya University.

    Details are here.

JOB OPENING (deadline of application: 30 September 2017)

  • Applications are invited for an Associate Professor or Lecturer at Department of Electronics Engineering, Graduate School of Engineering, Nagoya University.

    Details are here.

We have developed a system that can display real 3-D objects on a layered 3-D display.

Visual Information Laboratory of Department of Information and Communication Engineering has developed an end-to-end system where images of real objects are taken from 25 different viewpoints, converted into a layer representation, and fed to their prototype 3-D display that is composed of three stacked LCD panels.
Their system provides not only binocular 3-D perception but also natural motion parallax along with the motion of the observer.

Details are here

Fig : Process Pipeline of 3-D Display System

Oxide Film Deposition by Magnet-free Sputtering Using Surface Wave Plasma

Plasma Electronics research group developed a magnet-free sputtering device by combining a surface wave plasma and RF bias power.
The efficiency of utilizing a sputtering target was improved as compared with the conventional magnetron sputtering and deposition of high-quality insulating film with good spatial uniformity was realized.
The technique is expected to be applied to next-generation MRAM manufacture.

Details are here

Fig : Magnet-free sputtering device using surface wave plasma with RF bias power

JOB OPENING (deadline of application: 30 September 2017)

  • Applications are invited for an Assistant Professor at Department of Electronics Engineering, Graduate School of Engineering, Nagoya University.

    Details are here.

JOB OPENING (deadline of application: 30 September 2017)

  • Applications are invited for an Assistant Professor at Research Group of Electrical Energy Conversion, Department of Electrical Engineering, Graduate School of Engineering, Nagoya University.

    Details are here.

JOB OPENING (deadline of application: 30 June 2017)

  • Applications are invited for an Associate Professor at Department of Electronics Engineering, Graduate School of Engineering, Nagoya University.

    Details are here.

JOB OPENING (deadline of application: 31 May 2017)

  • Applications are invited for an Assistant Professor at Department of Electronics Engineering, Graduate School of Engineering, Nagoya University.

    Details are here.

JOB OPENING (deadline of application: 30 June 2017)

  • Applications are invited for a Professor at Department of Electrical Engineering, Graduate School of Engineering, Nagoya University.

    Details are here.

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Department of Electrical Engineering, Electronics, and Information Engineering, School of Engineering, Nagoya University.
Furo-cho, Chikusa-ku, Nagoya 464-8603 JAPAN
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