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Yuta Ito, Ryo Yokogawa, Wei-Chen Wen, Yuji Yamamoto, Takuya Minowa, Atsushi Ogura. Strain and optical characteristics analyses of three-dimentional self-ordered multilayered SiGe nanodots by photoluminescence and Raman spectroscopy. Japanese Journal of Applied Physics. 2024. 63. 3. 03SP31-03SP31
S. Sugawa, R. Yokogawa, A. Ogura. Local thermal conductivity properties of a SiGe nanowire observed by laser power sweep Raman spectroscopy. Japanese Journal of Applied Physics. 2024. 63. 2. 02SP68-02SP68
Ichiro Hirosawa, Kazutoshi Yoshioka, Ryo Yokogawa, Takeshi Watanabe, Atsushi Ogura. Strain distributions in carbon-doped silicon nanowires along [110] and [100] investigated by X-ray diffraction. Japanese Journal of Applied Physics. 2023. 63. 1. 01SP11-01SP11
Yuiha Maeda, Ryo Yokogawa, Sho Sugawa, Chia-Tsong Chen, Kasidit Toprasertpong, Mitsuru Takenaka, Shinichi Takagi, Atsushi Ogura. Evaluation of Anisotropic Biaxial Stress in Extremely-Thin Body (100) Silicon-Germanium-on-Insulator p-Type Metal-Oxide-Semiconductor Field-Effect-Transistor by Oil-Immersion Raman Spectroscopy. ECS Transactions. 2023. 112. 1. 37-43
2020/06 - Applied Physics Letters Featured Article Anomalous low energy phonon dispersion in bulk silicon-germanium observed by inelastic x-ray scattering