Rchr
J-GLOBAL ID:202001020642018725   Update date: Nov. 19, 2022

Yokogawa Ryo

ヨコガワ リョウ | Yokogawa Ryo
Affiliation and department:
Job title: 助教
Research field  (2): Crystal engineering ,  Electric/electronic material engineering
Research keywords  (7): 結晶工学 ,  フォノンエンジニアリング ,  熱電発電デバイス ,  Siナノワイヤ ,  シリコンゲルマニウム(SiGe) ,  ラマン分光法 ,  X線非弾性散乱法
Research theme for competitive and other funds  (3):
  • 2021 - 2024 温度可変ラマン分光法によるSiGe混晶の微視的な熱伝導機構解明に関する研究
  • 2020 - 2022 温度可変放射光X線回折による熱電発電Siデバイスの局所領域熱特性評価に関する研究
  • 2017 - 2020 ラマン分光オペランド測定による極微細熱電発電Siナノワイヤデバイスの熱伝導率評価
Papers (44):
  • 横川 凌, 小椋 厚志. レーザーラマン分光法による半導体評価の最前線. レーザー研究. 2022. 50. 10. 575-579
  • Ryo Yokogawa, Yasutomo Arai, Ichiro Yonenaga, Motohiro Tomita, Sylvia Yuk Yee Chung, Hiroshi Uchiyama, Takanobu Watanabe, Atsushi Ogura. Study on phonon lifetime in bulk silicon-germanium through observation of acoustic phonon spectra broadening by inelastic x-ray scattering. Applied Physics Letters. 2022. 121. 8. 082105-082105
  • Tianzhuo Zhan, Keita Sahara, Haruki Takeuchi, Ryo Yokogawa, Kaito Oda, Zhicheng Jin, Shikang Deng, Motohiro Tomita, Yen Ju Wu, Yibin Xu, et al. Modification and Characterization of Interfacial Bonding for Thermal Management of Ruthenium Interconnects in Next-Generation Very-Large-Scale Integration Circuits. ACS Applied Materials and Interfaces. 2022. 14. 5. 7392-7404
  • Sylvia Yuk Yee Chung, Motohiro Tomita, Ryo Yokogawa, Atsushi Ogura, Takanobu Watanabe. Atomic mass dependency of a localized phonon mode in SiGe alloys. AIP Advances. 2021. 11. 11. 115225-115225
  • Sylvia Yuk Yee Chung, Motohiro Tomita, Junya Takizawa, Ryo Yokogawa, Atsushi Ogura, Haidong Wang, Takanobu Watanabe. Dependency of a localized phonon mode intensity on compositional cluster size in SiGe alloys. AIP Advances. 2021. 11. 7. 075017-075017
more...
MISC (1):
  • 藤原孝将, 吉岡和俊, 横川凌, 小椋厚志, 廣沢一郎. SixGe1-x/Ge薄膜のGe-K吸収端におけるDAFSスペクトルの測定と解析. 日本放射光学会年会・放射光科学合同シンポジウム(Web). 2020. 33rd
Lectures and oral presentations  (166):
  • Phonon properties of bulk silicon-germanium analyzed by inelastic X-ray scattering
    (The 8th International Symposium on Advanced Science and Technology of Silicon Materials 2022)
  • Distribution Evaluation of Optical Properties in Silicon Germanium Films Grown on Silicon Substrates with Graded Silicon Germanium Buffer Layers
    (242nd ECS Meeting 2022)
  • Investigation of Band Structure in Strained Single Crystalline Si1-xSnx
    (242nd ECS Meeting 2022)
  • Evaluation of Temperature Variation in the Debye-Waller Factor for Single Crystalline Bulk Silicon Germanium by XAFS
    (242nd ECS Meeting 2022)
  • Temperature Dependence of Raman Peak Shift in Single-Crystalline Si-Rich SiGe
    (242nd ECS Meeting 2022)
more...
Education (3):
  • 2017 - 2020 Meiji University
  • 2015 - 2017 Meiji University
  • 2011 - 2015 Meiji University School of Science and Technology Department of Electrics and Bioinformatics
Work history (3):
  • 2020/04 - 現在 Meiji University School of Science and Technology Department of Electrics and Bioinformatics
  • 2020/04 - 2021/03 Japan Synchrotron Radiation Research Institute
  • 2017/04 - 2020/03 日本学術振興会 特別研究員DC1
Committee career (2):
  • 2021 - 2022 19th International Conference on Defects-Recognition, Imaging and Physics in Semiconductors (DRIP XIX) Organizing Committee
  • 2020 - 2021 International Workshop on Dielectric Thin Films (IWDTF) 2021 Steering Committee
Awards (4):
  • 2020/12 - 第四回フォノンエンジニアリング研究会 講演奨励賞 X線非弾性散乱法で観測されるBulk SiGe単結晶フォノンスペクトルの振る舞い
  • 2020/06 - Applied Physics Letters Featured Article Anomalous low energy phonon dispersion in bulk silicon-germanium observed by inelastic x-ray scattering
  • 2020/02 - 電子デバイス界面テクノロジー研究会-材料・プロセス・評価の物理-(第25回) 研究会活性化奨励賞
  • 2019/01 - 電子デバイス界面テクノロジー研究会-材料・プロセス・評価の物理-(第24回) 研究会活性化奨励賞
Association Membership(s) (2):
The Electrochemical Society ,  応用物理学会
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