Search Results - "Mukai, Kohki"

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  1. 1

    Study on chemical synthesis of SnSSe nanosheets and nanocrystals by Mukai, Kohki, Nakayama, Kevin

    Published in Japanese Journal of Applied Physics (01-05-2022)
    “…Abstract Two kinds of raw material combinations for the hot injection method were investigated for the chemical synthesis of SnSSe nanosheets and nanocrystals,…”
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    Journal Article
  2. 2

    Improvement of monodispersity and shape symmetry of silica shell for PbS quantum dots by introducing surface silanization and adjusting reverse micelle size by Mukai, Kohki, Ikeda, Kosuke, Hatta, Reo

    Published in Japanese Journal of Applied Physics (01-01-2022)
    “…Abstract Semiconductor quantum dots (QDs) are one of the promising constituent materials of quantum information processing devices. The technique of silica…”
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    Journal Article
  3. 3

    Fabrication of optical waveguides inside transparent silica xerogels containing PbS quantum dots using a femtosecond laser by Nakashima, Seisuke, Tanaka, Tomoya, Ishida, Akihiro, Mukai, Kohki

    “…The fabrication and photoluminescence properties of waveguide structures inside transparent silica xerogels containing PbS quantum dots (QDs) have been…”
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    Journal Article
  4. 4

    Controlled waveguide coupling for photon emission from colloidal PbS quantum dot using tunable microcavity made of optical polymer and silicon by Nozaka, Takahiro, Mukai, Kohki

    “…A tunable microcavity device composed of optical polymer and Si with a colloidal quantum dot (QD) is proposed as a single-photon source for planar optical…”
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    Journal Article
  5. 5

    Controlling the Electron Coupled State in the Superlattice of PbS Quantum Dots by Replacing Ligands by Mukai, Kohki, Suetsugu, Fumimasa, Niwa, Keisuke

    Published in IEEE transactions on nanotechnology (01-07-2017)
    “…We report that the emission wavelength of a superlattice of colloidal PbS quantum dots (QDs) was greatly lengthened on replacing their ligands with shorter…”
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    Journal Article
  6. 6

    Long carrier lifetime in faceted PbS quantum dot superlattice fabricated by sedimentation method by Mukai, Kohki, Kimura, Ryota, Sugisaki, Shunta, Sugimoto, Takuya, Fujishima, Masanobu, Watanabe, Sui

    Published in Japanese Journal of Applied Physics (01-04-2020)
    “…We fabricated colloidal quantum dot (QD) superlattice films and investigated their primal optical properties. The films were prepared by depositing faceted PbS…”
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    Journal Article
  7. 7

    A photon generating device composed of a quantum dot and a metamaterial element by Mukai, Kohki, Watanabe, Sui, Okumura, Isao, Sugimoto, Takuya

    Published in Japanese Journal of Applied Physics (01-04-2019)
    “…We propose a single photon generating device composed of one quantum dot (QD) and one metamaterial element. Simulation by finite-difference time-domain method…”
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    Journal Article
  8. 8

    Chemical synthesis and band gap control of Ga2O3:Co nanocrystals by Mukai, Kohki, Tsuno, Akira, Shudo, Ken-ichi, Otani, Hiroyuki

    Published in Japanese Journal of Applied Physics (26-03-2019)
    “…Chemical synthesis of Ga2O3:Co was carried out for band gap control. As the amount of Co added increased, uniform fibrous Ga2O3 nanocrystals became irregular…”
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    Journal Article
  9. 9

    Position control of PbS quantum dot using nanohole on silicon substrate processed by scanning probe lithography by Mukai, Kohki, Hirota, Akinobu, Nakashima, Seisuke

    Published in Japanese Journal of Applied Physics (01-04-2015)
    “…We report a method of processing of nanometer-size holes using an oxide mask drawn by scanning probe microscopy (SPM), and show that a nanohole can be used for…”
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    Journal Article
  10. 10

    Formation of nanohole for positioning of colloidal quantum dot by Mukai, Kohki, Sakai, Teppei, Hirota, Akinobu, Nakashima, Seisuke

    Published in Japanese Journal of Applied Physics (01-06-2014)
    “…We propose a method of positioning a colloidal quantum dot (QD) using a nanohole on a Si substrate processed by oxidation with scanning probe microscope (SPM)…”
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    Journal Article
  11. 11

    Temperature-Controlled Symmetry of Linear Polarization of Photoluminescence from InGaAs-Buried InAs/GaAs Quantum Dots by Mukai, Kohki, Kikushima, Kousuke, Tanaka, Tomoya, Nakashima, Seisuke

    Published in Japanese Journal of Applied Physics (01-06-2013)
    “…We have succeeded in adjusting the symmetry of the linear polarization of exciton emission from self-assembled InAs/GaAs quantum dots by controlling the…”
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    Journal Article
  12. 12
  13. 13

    Three-dimensional strain distribution during stacking of self-assembled InGaAs/GaAs quantum dot layers by Mukai, Kohki, Nakatomi, Yusuke

    Published in Journal of crystal growth (04-09-2006)
    “…We investigated theoretically the distribution of lattice distortion in three dimension around self-assembled InGaAs/GaAs quantum dot (QD) and its influence on…”
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    Journal Article
  14. 14

    Effect of phonon bottleneck on quantum-dot laser performance by Sugawara, Mitsuru, Mukai, Kohki, Shoji, Hajime

    Published in Applied physics letters (10-11-1997)
    “…The effect of phonon bottleneck on quantum-dot laser performance is examined by solving the carrier-photon rate equations including the carrier relaxation…”
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    Journal Article
  15. 15
  16. 16

    Micromolding for three-dimensional metal microstructures using stereolithography of photopolymerized resin by Mukai, Kohki, Kitayama, Shinya, Kawajiri, Yasunobu, Maruo, Shoji

    Published in Microelectronic engineering (01-04-2009)
    “…If micromachines can be produced with metal microstructures, their application field will be greatly expanded. We have proposed a metal micromolding method…”
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    Journal Article Conference Proceeding
  17. 17

    Grazing Incidence X-ray Diffraction Measurements of Columnar InAs/GaAs Quantum Dot Structures by Mukai, Kohki, Watanabe, Keita, Kimura, Yuuta

    Published in Japanese Journal of Applied Physics (01-04-2010)
    “…The lattice constant distribution inside a columnar InAs/GaAs quantum dot (QD) and its crystal orientation dependence were evaluated by grazing incidence X-ray…”
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    Journal Article
  18. 18

    Theoretical study of multi-band solar cells with a single PbS quantum dot superlattice film as a light absorption layer by Mukai, Kohki, Masuda, Ibuki

    Published in Japanese Journal of Applied Physics (01-10-2022)
    “…Abstract Theoretical studies have predicted that quantum dot superlattice (QDSL) intermediate band solar cells (IBSC) have high power conversion efficiencies…”
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    Journal Article
  19. 19

    Light emission spectra of columnar-shaped self-assembled InGaAs/GaAs quantum-dot lasers: Effect of homogeneous broadening of the optical gain on lasing characteristics by Sugawara, Mitsuru, Mukai, Kohki, Nakata, Yoshiaki

    Published in Applied physics letters (15-03-1999)
    “…We examined the current–output power characteristics and light emission spectra for columnar-shaped self-assembled InGaAs quantum-dot lasers with a room…”
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    Journal Article
  20. 20

    Theoretical study on controllability of quantum state energy in an InGaAs/GaAs quantum dot buried in InGaAs by Mukai, Kohki, Nakashima, Kenta

    Published in Journal of nanoscience and nanotechnology (01-12-2006)
    “…We theoretically studied the relationship between quantum energy states and structural parameters of an InGaAs/GaAs quantum dot (QD) buried in strained InGaAs,…”
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    Journal Article