Search Results - "Koichi, Yamaguchi"

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  1. 1

    Demonstration of in-plane miniband formation in InAs/InAsSb ultrahigh-density quantum dots by analysis of temperature dependence of photoluminescence by Tatsugi, Sho, Miyashita, Naoya, Sogabe, Tomah, Yamaguchi, Koichi

    Published in Japanese Journal of Applied Physics (01-10-2022)
    “…Abstract Self-assembled InAs/InAsSb ultrahigh-density quantum dots (UHD QDs) were grown on GaAs(001) substrate by molecular beam epitaxy. The QD density was…”
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    Journal Article
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    Intermittent growth for InAs quantum dot on GaAs(001) by Toujyou, Takashi, Konishi, Tomoya, Hirayama, Motoi, Yamaguchi, Koichi, Tsukamoto, Shiro

    Published in Journal of crystal growth (01-12-2020)
    “…•We perform the intermittent growth of InAs quantum dots on GaAs(001) at 500 °C.•QDs nucleation was observed by STMBE where in situ STM equipped within MBE…”
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    Self-formation of InAs/InGaAsSb type-II superlattice structures on InP substrates by MBE and their application to mid-infrared LEDs by Uno, Kou, Iijima, Naoto, Miyashita, Naoya, Yamaguchi, Koichi

    Published in AIP advances (01-08-2022)
    “…InAs/InGaAsSb type-II superlattice structures (SLSs) were spontaneously formed by the molecular beam epitaxy of InAs/GaAs0.86Sb0.14 SLSs on InP substrates. The…”
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  4. 4

    Coarsening process of high-density InAs quantum dots on Sb-irradiated GaAs by Kakuda, Naoki, Yamaguchi, Koichi

    Published in Japanese Journal of Applied Physics (01-04-2018)
    “…High-density InAs quantum dots were grown on Sb-irradiated GaAs(001) by MBE. From InAs coverage and Sb irradiation time (SIT) dependences, the coarsening…”
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  5. 5

    Growth Process and Photoluminescence Properties of In‐Plane Ultrahigh‐Density InAs Quantum Dots on InAsSb/GaAs(001) by Oikawa, Shingo, Makaino, Akinori, Sogabe, Tomah, Yamaguchi, Koichi

    Published in physica status solidi (b) (01-04-2018)
    “…InAs is grown on InAsSb/GaAs(001) by molecular beam epitaxy (MBE). At the initial growth of InAs, elongated small two‐dimensional (2D) islands are formed on…”
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    Quantum Dot Phase Transition Simulation with Hybrid Quantum Annealing via Metropolis-Adjusted Stochastic Gradient Langevin Dynamics by Kodai, Shiba, Sugiyama, Ryo, Yamaguchi, Koichi, Sogabe, Tomah

    Published in Advances in condensed matter physics (11-04-2022)
    “…We report a hybrid quantum-classical simulation approach for simulating the optical phase transition observed experimentally in the ultrahigh-density type-II…”
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  8. 8

    Effects of Using a Video-Sharing Application on Multidisciplinary Staff During Pre-discharge Home Assessment Visits for Elderly Hospitalized Patients by Son, Daisuke, Tanaka, Takeshi, Yamaguchi, Koichi, Inoue, Kazuoki, Kamimoto, Minako, Lee, Young, Hamada, Toshihiro, Taniguchi, Shin-Ichi, Koda, Masahiko

    Published in YONAGO ACTA MEDICA (2023)
    “…[ABSTRACT] [Background] Pre-discharge home assessment visits for elderly hospitalized patients are conducted by the hospital staff to ensure a smooth…”
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    Molecular beam deposition of high-density InAs quantum dots on SiOx films by Makaino, Akinori, Tanaka, Yuta, Yamaguchi, Koichi

    Published in Japanese Journal of Applied Physics (01-06-2019)
    “…InAs quantum dots (QDs) were grown on SiOx films by molecular beam deposition (MBD), and then an SiOx capping layer was deposited by rf magnetron sputtering…”
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    Clinical features associated with the presence of anti-Ro52 and anti-Ro60 antibodies in Jo-1 antibody-positive anti-synthetase syndrome by Yamaguchi, Koichi, Tang, Qi, Poland, Paul, Reay, Daniel P, Gregory, Alyssa, Aggarwal, Rohit, Oddis, Chester V, Ascherman, Dana P

    Published in Frontiers in immunology (04-06-2024)
    “…Anti-SSA antibodies target two unrelated proteins, Ro52 (E3 ligase) and Ro60 (RNA binding protein). Previous studies indicate that anti-Ro52 antibodies are…”
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  13. 13

    Growth Process and Photoluminescence Properties of In‐Plane Ultrahigh‐Density InAs Quantum Dots on InAsSb/GaAs(001) (Phys. Status Solidi B 4/2018) by Oikawa, Shingo, Makaino, Akinori, Sogabe, Tomah, Yamaguchi, Koichi

    Published in physica status solidi (b) (01-04-2018)
    “…In‐plane ultrahigh‐density InAs quantum dots (QDs) were grown by Oikawa et al. (article no. 1700307) on an InAsSb wetting layer (WL) on GaAs(001) substrate by…”
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  14. 14

    Optical transition and carrier relaxation in a type-II InAs/GaAsSb quantum dot layer by Sugiyama, Ryo, Tatsugi, Sho, Sogabe, Tomah, Yamaguchi, Koichi

    Published in Japanese Journal of Applied Physics (01-01-2019)
    “…In-plane ultrahigh-density InAs quantum dots (QDs) were grown on the GaAsSb buffer layer by molecular beam epitaxy. Photoluminescence (PL) properties of the…”
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    Low sunlight concentration properties of InAs ultrahigh-density quantum-dot solar cells by Suzuki, Ryosuke, Terada, Keisuke, Sakamoto, Katsuyoshi, Sogabe, Tomah, Yamaguchi, Koichi

    Published in Japanese Journal of Applied Physics (01-07-2019)
    “…InAs ultrahigh-density quantum-dot (UHD-QD) solar cells with type-I GaAs or type-II GaAsSb capping layers were fabricated by molecular beam epitaxy. The solar…”
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    Thrombomodulin for acute exacerbations of idiopathic pulmonary fibrosis: A proof of concept study by Tsushima, Kenji, Yamaguchi, Koichi, Kono, Yuta, Yokoyama, Toshiki, Kubo, Keishi, Matsumura, Takuma, Ichimura, Yasunori, Abe, Mitsuhiro, Terada, Jiro, Tatsumi, Koichiro

    Published in Pulmonary pharmacology & therapeutics (01-12-2014)
    “…Abstract Introduction The mortality of acute exacerbation of idiopathic pulmonary fibrosis (AE-IPF) is high. Anticoagulation therapy (recombinant human soluble…”
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    Experimental demonstration of energy-transfer ratchet intermediate-band solar cell by Sogabe, Tomah, Hung, Chao-Yu, Tamaki, Ryo, Tomić, Stanko, Yamaguchi, Koichi, Ekins-Daukes, Ned, Okada, Yoshitaka

    Published in Communications physics (01-03-2021)
    “…A detailed balance calculation reveals an extremely high efficiency of 63.2% for intermediate-band solar cells (IBSCs) under maximum sunlight concentration…”
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    Ultrafast inverse design of quantum dot optical spectra via a joint TD-DFT learning scheme and deep reinforcement learning by Yoshida, Hibiki, Sakamoto, Katsuyoshi, Miyashita, Naoya, Yamaguchi, Koichi, Shen, Qing, Okada, Yoshitaka, Sogabe, Tomah

    Published in AIP advances (01-11-2022)
    “…Here, we report a case study on inverse design of quantum dot optical spectra using a deep reinforcement learning algorithm for the desired target optical…”
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