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Topic-specified CRP_2021

Abstracts of Topic-Specified Collaborative Research Projects
1. Establishment of thermal expansion tuning method by using giant negative thermal expansion materials

Representative: Masaki Azuma

There is a growing concern about displacement caused by thermal expansion, which is a critical issue in high-precision devices and equipment, such as optical devices, semiconductor manufacturing equipment, and space vehicles. Composite of resin and giant negative thermal expansion materials stemming from charge, orbital and spin degree of freedom of solid materials will be developed.

2. Elucidation and design of material functionalities based on computational and data science

Representative: Fumiyasu Oba

It is essential to investigate the atomistic and electronic structures of materials for their understanding and design as material functionalities originate from these microscopic structures. This project aims at elucidating the relationship between the structures and functionalities in electronic materials using computational approaches such as first-principles calculations and data-science approaches. In conjunction with experimental techniques such as spectroscopy and electron microscopy, we try to obtain and utilize information at the atomistic and electronic level for the design of novel materials.

3. Development of Performance Evaluating Method of Building Structures for Controlling Damage
Representative: Koshiro Nishimura

In Japan, a structural design method of buildings had been an allowable stress method before ultimate limit capacities was used. And then, it is changing to a performance evaluation method. In these days, because common use of buildings after a disaster like an earthquake is often required, engineers need to evaluate the structural performances. It is needed to evaluate not only strengths but also deformations because a large residual deformation may stop the common use of the building even if the structure keeps enough strength. The objective of this study is to develop a performance evaluating method of building structures, mainly concrete structures, for controlling damage.

4. Development of life innovation materials with assist of inverse design 
Representative: Toshio Kamiya

Laboratory for Materials and Structures (MSL) has conducted a trans-university joint project for developing life innovation materials, which will contribute to resolving the current social issues such as energy, resources, environment, and medical, and consequently providing sustainable and comfortable life to us. Though this project ends in FY 2020, we continue to conduct related collaboration researches. From 2021, more focus will be given to assistance by computational materials design, data science etc. Thereby we would develop novel functional materials based on our original materials and design concepts such as those utilizing unconventional structures and functions in inorganic and metal materials.

5. Development of New Functionalities in Abundant Element Materials

Representative: Hidenori Hiramatsu

This is not only important but also timely to develop new functionalities with abundant element systems. The functionalities that should be targeted mainly include electronics device functionalities. Bulk synthesis and film growth study, structural, electronic and magnetic characterization, and theoretical study are all relevant for the present project.



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