JEEM Melbert

Affiliation and department：

Research field (1)： Applied materials

Research keywords (3)： Electron Microscopy , 第一原理計算 , Materials Science

Research theme for competitive and other funds (6)：

2021 - 2024 トポロジー制御したガラスの革新的薄膜合成方法の確立
2020 - 2023 ガルバニック水中結晶光合成の学理構築に基づく機能性3次元ヘテロナノ構造体創製
2020 - 2022 Mechanism study of metallic oxide nanorods fabricated by submerged photosynthesis of crystallites
2020 - 2021 Morphology control of metal oxide nanocrystals and their electronic states study via STEM-EELS
2020 - 2021 Mechanism study of nanocrystallization under solvent-doped submerged photosynthesis of crystallites

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Papers (24)：

Joshua Chidiebere Mba, Hiroki Sakai, Kaixin Dong, Yuto Shimizu, Minako Kondo, Tomokazu Nakamura, Melbert Jeem, Takahiro Nomura. Suppression of supercooling and phase change hysteresis of Al-25mass%Si Micro-Encapsulated Phase Change Material (MEPCM) synthesized via novel dry synthesis method. Journal of Energy Storage. 2024. 94. 112066-112066
Melbert Jeem, Ryosuke Ishida, Minako Kondo, Yuto Shimizu, Takahiro Kawaguchi, Kaixin Dong, Ade Kurniawan, Yuji Kunisada, Norihito Sakaguchi, Takahiro Nomura. Shell-Driven Localized Oxide Nanoparticles Determine the Thermal Stability of Microencapsulated Phase Change Material. ACS Applied Materials & Interfaces. 2024
Takahiro Kawaguchi, Melbert Jeem, Ade Kurniawan, Kaixin Dong, Minako Kondo, Yusuke Sato, Tomokazu Nakamura, Takahiro Nomura. Composite phase change material based on Al alloy with durability of over 10,000 cycles for high-temperature heat utilization. Journal of Energy Storage. 2024
Yuto Shimizu, Shunsuke Cho, Takahiro Kawaguchi, Keita Tanahashi, Kaixin Dong, Tomokazu Nakamura, Ade Kurniawan, Melbert Jeem, Takahiro Nomura. Novel microencapsulated ternary eutectic alloy-based phase change material. Journal of Energy Storage. 2024
Masahiro Aoki, Melbert Jeem, Yuto Shimizu, Takahiro Kawaguchi, Minako Kondo, Tomokazu Nakamura, Chihiro Fushimi, Takahiro Nomura. High-temperature ternary Cu-Si-Al alloy as a core-shell microencapsulated phase change material: fabrication via dry synthesis method and its thermal stability mechanism. Materials Advances. 2024

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MISC (3)：

林學毅, JEEM Melbert, 張麗華, 渡辺精一. スーパーキャパシタ用Mo-Wナノ酸化物複合材料水中光合成. 日本金属学会講演大会(Web). 2023. 172nd
早野彩夏, JEEM Melbert, 林學毅, 張麗華, 渡辺精一. 水中光照射下におけるドーピング誘起光学的相転移. 日本金属学会講演大会(Web). 2022. 171st
林學毅, JEEM Melbert, 張麗華, 渡辺精一. 機能性モリブデン-タングステンナノ酸化物複合材料の水中光合成. 日本顕微鏡学会北海道支部学術講演会講演要旨集. 2022. 2022 (CD-ROM)

Lectures and oral presentations (44)：

Development of Sn-9Zn@Al2O3 core-shell as micro-encapsulated phase change material and its structural mechanism for thermal storage and release durability
Al-Cu-Si系コアシェル型相変化マイクロカプセルの創製と微細構造の評価
(第79回日本顕微鏡学会学術講演会 2023年6月28日)
Al-25Si系コアシェル型相変化マイクロカプセルの1000回溶融・凝固過程における熱的安定性及び微細構造の解析
(日本金属学会講演大会(Web) 2023)
Sn系コアシェル型相変化マイクロカプセル中のα-Al<sub>2</sub>O<sub>3</sub>格子欠陥の形成
(日本金属学会講演大会(Web) 2023)
スーパーキャパシタ用Mo-Wナノ酸化物複合材料水中光合成
(日本金属学会講演大会(Web) 2023)

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Education (3)：

- 2017 Hokkaido University Graduate School of Engineering PhD Degree Materials Science and Engineering
- 2015 Hokkaido University Graduate School of Engineering Master Degree Quantum Science and Engineering
- 2013 Hokkaido University School of Engineering Mechanical and Intelligent System Engineering

Professional career (1)：

Ph.D. (Hokkaido University)

Work history (3)：

2022/03 - 現在 Hokkaido University Faculty of Engineering Center for Advanced Research of Energy and Materials
- 2022 Hokkaido University Research Institute for Electronic Science Assistant Professor
- 2019 Hokkaido University Center for Advanced Research of Energy and Materials Postdoctoral Researcher

Association Membership(s) (4)：

The Japan Institute of Metals and Materials , The Iron and Steel Institute of Japan , The Japanese Society of Microscopy , The Japan Society of Applied Physics

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