Search Results - "Yao, Yuanzhao"

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  1. 1

    Design and Observation of Topological Band Gaps and Edge Modes of SOI Photonic Crystal Slabs in the Mid-Infrared Range by Begum, Afshan, Yao, Yuanzhao, Kuroda, Takashi, Takeda, Yoshihiko, Ikeda, Naoki, Sugimoto, Yoshimasa, Mano, Takaaki, Sakoda, Kazuaki

    Published in Journal of the Physical Society of Japan (15-11-2023)
    “…We successfully materialized a complete common band gap of a 6.0% width relative to the mid-gap frequency for transverse-electric-like eigenmodes, which was…”
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    Mid-IR Dirac-cone dispersion relation materialized in SOI photonic crystal slabs by Yao, Yuanzhao, Ikeda, Naoki, Kuroda, Takashi, Mano, Takaaki, Koyama, Hiromi, Sugimoto, Yoshimasa, Sakoda, Kazuaki

    Published in Optics express (03-02-2020)
    “…We materialized the isotropic Dirac-cone dispersion relation in the mid-infrared range by fabricating photonic crystal slabs of the C symmetry in SOI…”
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  3. 3

    Angle-resolved reflection spectra of Dirac cones in triangular-lattice photonic crystal slabs by Yao, Yuanzhao, Kuroda, Takashi, Ikeda, Naoki, Mano, Takaaki, Koyama, Hiromi, Sugimoto, Yoshimasa, Sakoda, Kazuaki

    Published in Optics express (20-07-2020)
    “…The dispersion relation and the angle-resolved reflection spectra of triangular-lattice photonic crystal slabs of the C 6 v symmetry were examined by the…”
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    Apparatus for High-Precision Angle-Resolved Reflection Spectroscopy in the Mid-Infrared Region by Kuroda, Takashi, Chalimah, Siti, Yao, Yuanzhao, Ikeda, Naoki, Sugimoto, Yoshimasa, Sakoda, Kazuaki

    Published in Applied spectroscopy (01-03-2021)
    “…Fourier transform (FT) spectroscopy is a versatile technique for studying the infrared (IR) optical response of solid-, liquid-, and gas-phase samples. In…”
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    Spontaneous Folding of CdTe Nanosheets Induced by Ligand Exchange by Vasiliev, Roman B, Lazareva, Elizabeth P, Karlova, Daria A, Garshev, Alexey V, Yao, Yuanzhao, Kuroda, Takashi, Gaskov, Alexander M, Sakoda, Kazuaki

    Published in Chemistry of materials (13-03-2018)
    “…Two-dimensional (2D) semiconductors exhibit unique electronic and optical properties arising from the atomic-scale thickness and two-dimensional electronic…”
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    Observation of Two-dimensional Isotropic Double Dirac Cones in the Electromagnetic Dispersion Relation by Begum, Afshan, Yao, Yuanzhao, Kuroda, Takashi, Watanabe, Eiichiro, Ikeda, Naoki, Sugimoto, Yoshimasa, Takeda, Yoshihiko, Sakoda, Kazuaki

    Published in Journal of the Physical Society of Japan (15-08-2022)
    “…We report on the first experimental observation of two-dimensional isotropic double Dirac cones in the electromagnetic dispersion relation, which were…”
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  7. 7

    Self-assembly of vertically aligned quantum ring-dot structure by Multiple Droplet Epitaxy by Elborg, Martin, Noda, Takeshi, Mano, Takaaki, Kuroda, Takashi, Yao, Yuanzhao, Sakuma, Yoshiki, Sakoda, Kazuaki

    Published in Journal of crystal growth (01-11-2017)
    “…•Growth of vertically aligned quantum ring+dot structures.•Complete site-selectivity of QDs in indentation of ring by controlling geometry.•Flexibility in…”
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    In situ monitoring of stacking fault formation and its carrier lifetime mediation in p -type 4H-SiC by Chen, Bin, Chen, Jun, Yao, Yuanzhao, Sekiguchi, Takashi, Matsuhata, Hirofumi, Okumura, Hajime

    Published in Applied physics letters (28-07-2014)
    “…Using the fine control of an electron beam (e-beam) in scanning electron microscopy with the capabilities of both electrical and optical imaging, the stacking…”
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  9. 9

    Carrier Transfer in Closely Stacked GaAs/AlGaAs Quantum Dots Grown by Using Droplet Epitaxy by Elborg, Martin, Yao, Yuanzhao, Noda, Takeshi, Mano, Takaaki, Sakuma, Yoshiki, Bekarevich, Raman, Mitsuishi, Kazutaka

    Published in Journal of the Korean Physical Society (01-06-2018)
    “…We investigate the carrier transfer in stacked droplet epitaxially grown GaAs quantum dots (QDs) in experiments and calculations. While in the…”
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  10. 10

    Exciton states of II–VI tetrapod-shaped nanocrystals by Yao, Yuanzhao, Kuroda, Takashi, Dirin, Dmitry N., Irkhina, Anastasia A., Vasiliev, Roman B., Sakoda, Kazuaki

    Published in Optical materials express (01-07-2013)
    “…Excitons of tetrapod-shaped nanocrystals made of CdTe, CdS, CdSe, ZnTe, and ZnSe were investigated systematically by numerical diagonalization of configuration…”
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    Solvothermal Synthesis of Ultrathin Cesium Lead Halide Perovskite Nanoplatelets with Tunable Lateral Sizes and Their Reversible Transformation into Cs4PbBr6 Nanocrystals by Zhai, Wei, Lin, Jing, Li, Qiaoling, Zheng, Kun, Huang, Yang, Yao, Yuanzhao, He, Xin, Li, Lanlan, Yu, Chao, Liu, Chang, Fang, Yi, Liu, Zhenya, Tang, Chengchun

    Published in Chemistry of materials (12-06-2018)
    “…The versatility of perovskite crystal structure has become the great advantage of lead halide perovskite nanocrystals (NCs) during their functional…”
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  13. 13

    Dirac Cones in Periodically Modulated Quantum Wells by Yao, Yuanzhao, Sakoda, Kazuaki

    Published in Journal of the Physical Society of Japan (01-06-2016)
    “…We show by a degenerate k - p perturbation theory and group theory that Dirac cones in the Brillouin-zone center can be materialized for the electronic bands…”
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  14. 14

    Acceptance characterization of electron detector in SEM using stainless steel sphere by Sekiguchi, Takashi, Yao, Yuanzhao, Sonoda, Ryosuke, Sohda, Yasunari

    Published in Microscopy (16-10-2024)
    “…Although modern scanning electron microscope (SEM) possess several electron detectors, it is not clear what kind of information is contained in a SEM image…”
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  15. 15

    Eigenmode symmetry assignment of triangular-lattice photonic crystal slabs and their Dirac cones materialized by effective degeneracy in the mid-infrared region by Chalimah, Siti, Yao, Yuanzhao, Ikeda, Naoki, Sugimoto, Yoshimasa, Mano, Takaaki, Kuroda, Takashi, Sakoda, Kazuaki

    Published in Optics express (21-06-2021)
    “…We measured angle-resolved reflection spectra of triangular-lattice photonic crystal slabs fabricated in a silicon-on-insulator wafer in the mid-infrared…”
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  16. 16

    Strain effects on optical properties of tetrapod-shaped CdTe/CdS core–shell nanocrystals by Yao, Yuanzhao, Kuroda, Takashi, Dirin, Dmitry N., Sokolikova, Maria S., Vasiliev, Roman B.

    Published in Superlattices and microstructures (01-12-2014)
    “…•The exciton states of type-II CdTe/CdS core–shell tetrapod were theoretically investigated.•The strain promotes the type-II nature of core–shell tetrapod by…”
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    Design and Characteristics of Photonic Crystal Resonators for Surface-Emitting Quantum Cascade Lasers by Sakoda, Kazuaki, Yao, Yuanzhao, Ikeda, Naoki, Sugimoto, Yoshimasa, Mano, Takaaki, Kuroda, Takashi, Tanimura, Hirotaka, Takagi, Shigeyuki, Hashimoto, Rei, Kaneko, Kei, Kakuno, Tsutomu, Ohkuma, Shinji, Togawa, Ryuichi, Miyagawa, Tetsuya, Ohno, Hiroshi, Saito, Shinji

    Published in Photonics (30-10-2024)
    “…We present our recent development of the surface-emitting quantum cascade laser with a PC (photonic crystal) resonator and a strain-compensated MQW (multiple…”
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