Research keywords (3)：
Transmission electron microscopy
, Electron energy-loss spectroscopy
, Phonon
Research theme for competitive and other funds (10)：
2022 - 2026 Heterointerface phonon-transport analysis by nanometer-resolution electron spectroscopy
2020 - 2023 ソフトマテリアル解析を可能とする電子計数型透過電子顕微鏡法の要素技術開発
2018 - 2022 Electron spectroscopic imaging for nanoscale phonon transports
2016 - 2020 運動量移送で探るトポロジカル絶縁体の電子顕微分光
2016 - 2019 Valley polarization induced by electron wave
2015 - 2018 Independent control of phonon and electron transports based on the interface physics by using heteronanostrucutre interfaces
2013 - 2015 Independent control of electric and thermal conductivities by coherent manipulation of electron and phonon transports using three dimensional nanostructures
2012 - 2015 Investigation of mechanism of electrical conduction via functionalized dislocation networks in atomically-bonded metal-oxide crystals
2010 - 2012 Atomic and electronic level analysis of surfaces and interfacees of electrode materials for lithium-ion batteries
2010 - 2012 Atomic resolution analysis of nanostructures in solid-state ionics
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Papers (73)：
Shunsuke Yamashita, Sei Fukushima, Jun Kikkawa, Ryoji Arai, Yuya Kanitani, Koji Kimoto, Yoshihiro Kudo. Local defect and mid-gap state analysis of GaN using monochromated EELS combined with nanodiffraction and atomic-resolution imaging. APL Materials. 2024. 12. 3. 031101-1-031101-8
Itsuki Konuma, Naohiro Ikeda, Benoît D.L. Campéon, Hinata Fujimura, Jun Kikkawa, Huu Duc Luong, Yoshitaka Tateyama, Yosuke Ugata, Masao Yonemura, Toru Ishigaki, et al. Unified understanding and mitigation of detrimental phase transition in cobalt-free LiNiO2. Energy Storage Materials. 2024. 66. 103200
Koji Kimoto, Jun Kikkawa, Koji Harano, Ovidiu Cretu, Yuki Shibazaki, Fumihiko Uesugi. Unsupervised machine learning combined with 4D scanning transmission electron microscopy for bimodal nanostructural analysis. Scientific Reports. 2024. 14. 1. 2901
Hieu Duy Nguyen, Isamu Yamada, Toshiyuki Nishimura, Hong Pang, Hyunyong Cho, Dai-Ming Tang, Jun Kikkawa, Masanori Mitome, Dmitri Golberg, Koji Kimoto, et al. STEM in situ thermal wave observations for investigating thermal diffusivity in nanoscale materials and devices. Science Advances. 2024. 10. 2. eadj3825
Min-Wen Yu, Yu-Tang Lin, Chia-Hung Wu, Tung-Jung Wang, Jhuang-Hao Cyue, Jun Kikkawa, Satoshi Ishii, Tien-Chang Lu, Kuo-Ping Chen. Role of defects in the photoluminescence and photoresponse of WS2-graphene heterodevices. Applied Surface Science. 2024. 642. 158541
