ホーム > 石山 隆光/ Ishiyama, Takamitsu

石山 隆光

ALUMNI 2026年9月現在、筑波大学が主たる所属機関ではありません

Ishiyama, Takamitsu

国立研究開発法人産業技術総合研究所 , 省エネルギー技術研究部門 , 研究員
National Institute of Advanced Industrial Science and Technology , Research Institute for Energy Efficient Technologies , Researcher

オープンアクセス版の論文は「つくばリポジトリ」で読むことができます。
  1. 1. High Power Factor in Polycrystalline InGaSb Thin Films via Nanoscale Compositional Fluctuations Takamitsu Ishiyama; Akira Ogawa; Noriyuki Saitoh; Noriko Yoshizawa (+1 著者) Kaoru Toko
      ACS Applied Materials & Interfaces (2026) Semantic Scholar
  2. 2. Demonstration of CMOS inverter on poly-crystalline Ge on glass Atsuki Morimoto; Linyu Huang; Kota Igura; Takamitsu Ishiyama (+2 著者) Keisuke Yamamoto
      MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING 207: (2026) Semantic Scholar
  3. 3. High-rate capability of III-V anodes enabled by machine-learning-guided compositional design Koki Nozawa; Takamitsu Ishiyama; Yutaka Kiyono; Kazushi Yabuki (+1 著者) Kaoru Toko
      JOURNAL OF ENERGY STORAGE 154: (2026) Semantic Scholar
  4. 4. Photoresponsivity of polycrystalline Ge layers on glass via sequential solid-phase and grain-templated growth Shintaro Maeda; Akira Ogawa; Takamitsu Ishiyama; Takuto Mizoguchi (+1 著者) Kaoru Toko
      Materials & Design 116040 (2026) Semantic Scholar
  5. 5. Crystal and electrical properties of polycrystalline In1_xGaxAs thin films directly formed on insulators Koki Nozawa; Seo Jisol; Takamitsu Ishiyama; Noriyuki Saitoh (+2 著者) Kaoru Toko
      MATERIALS RESEARCH BULLETIN 191: (2025) Semantic Scholar
  6. 6. Progress and perspectives on polycrystalline germanium thin films: Advances in solid-phase crystallization K. Toko; K. Moto; T. Imajo; T. Ishiyama (+3 著者) T. Suemasu
      Applied Physics Reviews (2025) Semantic Scholar
  7. 7. Ba2AgSi3 Thin Films: Growth, Thermoelectric Properties, and Control of Their Conductivity Type via Impurity Doping Using First-Principles Calculations Kimimaru Kajihara; Takamitsu Ishiyama; Yoichiro Koda; Masami Mesuda (+2 著者) Takashi Suemasu
      ACS APPLIED ENERGY MATERIALS 8: 6713 (2025) Semantic Scholar
  8. 8. High quality synthesis of polycrystalline Ge films as infrared light absorbing layers for multi-junction solar cell applications Shintaro Maeda; Takamitsu Ishiyama; Takashi Suemasu; Kaoru Toko
      2025 IEEE 53RD PHOTOVOLTAIC SPECIALISTS CONFERENCE, PVSC 511 (2025) Semantic Scholar
  9. 9. Multilayer Graphene Strips on Insulators Formed by Layer Exchange for Applications as Interconnects Hiromasa Murata; Takamitsu Ishiyama; Katsuhisa Murakami; Masayoshi NagaoKaoru Toko
      ACS APPLIED NANO MATERIALS 7: 22329 (2024) Semantic Scholar
  10. 10. Semantic segmentation in crystal growth process using fake micrograph machine learning Takamitsu Ishiyama; Takashi Suemasu; Kaoru Toko
      SCIENTIFIC REPORTS 14: (2024) Semantic Scholar
  11. 11. Layer Exchange Synthesis of SiGe for Flexible Thermoelectric Generators: A Comprehensive Review Kaoru Toko; Shintaro Maeda; Takamitsu Ishiyama; Koki Nozawa (+1 著者) Takashi Suemasu
      ADVANCED ELECTRONIC MATERIALS 10: (2024) Semantic Scholar
  12. 12. Prediction and Elucidation of Physical Properties of Polycrystalline Materials Using Multichannel Machine Learning of Electron Backscattering Diffraction Koki Nozawa; Takamitsu Ishiyama; Takashi Suemasu; Kaoru Toko
      ADVANCED ELECTRONIC MATERIALS 10: (2024) Semantic Scholar
  13. 13. Grain-Boundary-Aligned Ge Thin Films Formed by Au-Induced Lateral Crystallization with a Multilayer Structure Kota Igura; Takamitsu Ishiyama; Shintaro Maeda; Noriyuki Saitoh (+2 著者) Kaoru Toko
      CRYSTAL GROWTH & DESIGN 24: 6142 (2024) Semantic Scholar
  14. 14. X-ray magnetic circular dichroism of Mn4-xGaxN 4- x Ga x N epitaxial thin films confirming ferrimagnetic-ferromagnetic phase transition by nonmagnetic Ga doping Aoi Hatate; Takumi Horiuchi; Takamitsu Ishiyama; Kaoru Toko (+1 著者) Takashi Suemasu
      JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 597: (2024) Semantic Scholar
  15. 15. Strain-dependent grain boundary properties of n-type germanium layers Kota Igura; Koki Nozawa; Takamitsu Ishiyama; Takashi SuemasuKaoru Toko
      SCIENTIFIC REPORTS 14: (2024) Semantic Scholar
  16. 16. Bayesian optimization-driven enhancement of the thermoelectric properties of polycrystalline III-V semiconductor thin films Takamitsu Ishiyama; Koki Nozawa; Takeshi Nishida; Takashi SuemasuKaoru Toko
      NPG ASIA MATERIALS 16: (2024) Semantic Scholar
  17. 17. Low-temperature process design for inversion mode n-channel thin-film-transistor on polycrystalline Ge formed by solid-phase crystallization Linyu Huang; Kenta Moto; Kota Igura; Takamitsu Ishiyama (+2 著者) Keisuke Yamamoto
      JAPANESE JOURNAL OF APPLIED PHYSICS 63: (2024) Semantic Scholar
  18. 18. Thermoelectric properties of sintered Ba2AgSi3 crystals and search for impurities to control conductivity type by first-principles calculation K. Kajihara; Y. Koda; T. Ishiyama; S. Aonuki (+3 著者) T. Suemasu
      Journal of Applied Physics (2024) Semantic Scholar
  19. 19. High thermoelectric performance in polycrystalline Yb3Ge5 thin films T. Ishiyama; T. Ozawa; N. Saitoh; N. Yoshizawa (+1 著者) K. Toko
      APL Materials (2024) Semantic Scholar
  20. 20. Thermoelectric properties of low-temperature-grown polycrystalline InAs1−xSbx films T. Nishida; T. Ishiyama; K. Nozawa; T. SuemasuK. Toko
      Applied Physics Letters (2024) Semantic Scholar
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  1. 1. ベイズ最適化の活用事例 技術情報協会 (担当:共著, 範囲:ベイズ最適化によるIII-V族半導体薄膜の熱電性能向上)
    技術情報協会 2025年3月 (ISBN: 9784867980668)

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