マテリアルズ・インフォマティクスによる伝熱機能材料の設計

2021 年度 実績報告書

• 研究課題/領域番号: 19K14902
• 研究機関: 東京大学
• 研究代表者: 鞠 生宏 東京大学, 大学院工学系研究科(工学部), 客員研究員 (30809645)
• 研究期間 (年度): 2019-04-01 – 2022-03-31
• キーワード: マテリアルズ・インフォマティクス / 伝熱機能材料

研究実績の概要

This materials informatics related research project went smoothly in 2021. We have realized high-throughput screening for high thermal conductivity crystals and hydrodynamic thermal transport.
The main achievements are summarized as follows:
(1) The lower-order feature properties and transfer learning have been adopted to explore diamondlike lattice thermal conductivity crystals. We screened over 60000 crystal compounds with phonon scattering phase space as the feature quantity and identified a set of semiconducting compounds with high thermal conductivities.
(2) The key descriptors that determines the magnitude of the intrinsic hydrodynamic effects were revealed by machine learning, most of them related with the phonon relaxation times.

研究成果

• [雑誌論文] Descriptors of intrinsic hydrodynamic thermal transport: screening a phonon database in a machine learning approach (2022)
  • 著者名/発表者名: Torres Pol、Wu Stephen、Ju Shenghong、Liu Chang、Tadano Terumasa、Yoshida Ryo、Shiomi Junichiro
  • 雑誌名: Journal of Physics: Condensed Matter 巻: 34 ページ: 135702～135702
  • DOI: 10.1088/1361-648X/ac49c9
  • 査読あり / 国際共著
• [雑誌論文] Exploring diamondlike lattice thermal conductivity crystals via feature-based transfer learning (2021)
  • 著者名/発表者名: Ju Shenghong、Yoshida Ryo、Liu Chang、Wu Stephen、Hongo Kenta、Tadano Terumasa、Shiomi Junichiro
  • 雑誌名: Physical Review Materials 巻: 5 ページ: 053801～053801
  • DOI: 10.1103/PhysRevMaterials.5.053801
  • 査読あり / 国際共著
• [雑誌論文] Phonon transport in multiphase nanostructured silicon fabricated by high-pressure torsion (2021)
  • 著者名/発表者名: Shao Cheng、Matsuda Kensuke、Ju Shenghong、Ikoma Yoshifumi、Kohno Masamichi、Shiomi Junichiro
  • 雑誌名: Journal of Applied Physics 巻: 129 ページ: 085101～085101
  • DOI: 10.1063/5.0037775
  • 査読あり / 国際共著
• [学会発表] High Throughput Screening of Materials for Interfacial Thermal Transport (2022)
  • 著者名/発表者名: Shenghong Ju
  • 学会等名: MRS Spring Meeting
  • 国際学会 / 招待講演
• [学会発表] Designing Wavelength-Selective Thermal Radiative Materials via Machine Learning (2022)
  • 著者名/発表者名: Shenghong Ju
  • 学会等名: The 3rd International Symposium on Multiscale Simulations of Thermophysics
  • 国際学会 / 招待講演
• [学会発表] Designing Wavelength-Selective Thermal Radiative Materials via Machine Learning (2021)
  • 著者名/発表者名: Shenghong Ju
  • 学会等名: The 5th Forum of Materials Genome Engineering
  • 国際学会 / 招待講演