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2016 Fiscal Year Final Research Report

Investigation of thermal conductivity mechanism controlled by magnetic field and its application to novel thermoelectric devices

Research Project

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Project/Area Number 15K14170
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Structural/Functional materials
Research InstitutionJapan Synchrotron Radiation Research Institute

Principal Investigator

Satoshi Tsutsui  公益財団法人高輝度光科学研究センター, 利用研究促進部門, 主幹研究員 (70360823)

Co-Investigator(Renkei-kenkyūsha) Yoshio Kobayashi  電気通信大学, 情報理工学系研究科, 教授 (30221245)
Research Collaborator Goh Swee K.  the Chinese University of Hong Kong
Project Period (FY) 2015-04-01 – 2017-03-31
Keywordsカゴ状物質 / ゲスト原子 / フォノン / 熱伝導度 / 磁性
Outline of Final Research Achievements

This study has been focused on cage-structured compounds expected to be a candidate of thermoelectric materials. Particularly, we have investigated cage-structured compounds having a magnetic guest atom, which is important for thermal insulation, in order to reveal relationships between thermal insulation and magnetic properties in cage-structured compounds. One of the important obtained in the present work is the fact that guest atomic motions in type-I clathrates, which correlate with thermal insulation, are more sensitive to number of their carriers than their ferromagnetic ordering.

Free Research Field

固体物理、放射光実験

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Published: 2018-03-22  

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