Search Results - "Kamioka, Takefumi"

Refine Results
  1. 1

    Light Induced Recombination Center at SiO2/Si Interface by the Reactive Plasma Deposition by Hara, Tomohiko, Tanaka, Taichi, Nakagawa, Kazuhito, Isogai, Yuki, Kamioka, Takefumi, Ohshita, Yoshio

    Published in Electronic materials letters (01-09-2021)
    “…Effect of lights with various wavelength on the defect generation in reactive plasma deposition (RPD) process is studied using capacitance–voltage analysis…”
    Get full text
    Journal Article
  2. 2
  3. 3

    Feature extraction and spatial imaging of synchrotron radiation X-ray diffraction patterns using unsupervised machine learning by Kutsukake, Kentaro, Kamioka, Takefumi, Matsui, Kota, Takeuchi, Ichiro, Segi, Takashi, Sasaki, Takuo, Fujikawa, Seiji, Takahasi, Masamitu

    “…ABSTRACTWe analyzed a number of complicated X-ray diffraction patterns using feature patterns obtained through unsupervised machine learning. A crystalline…”
    Get full text
    Journal Article
  4. 4

    Electrical properties of GaAs//indium tin oxide/Si junctions for III-V-on-Si hybrid multijunction cells by Hara, Tomoya, Ogawa, Tomoki, Liang, Jianbo, Araki, Kenji, Kamioka, Takefumi, Shigekawa, Naoteru

    Published in Japanese Journal of Applied Physics (01-08-2018)
    “…The electrical properties of GaAs//indium tin oxide (ITO)/Si junctions fabricated by surface-activated bonding (SAB) are investigated with emphasis on their…”
    Get full text
    Journal Article
  5. 5

    Effects of damages induced by indium-tin-oxide reactive plasma deposition on minority carrier lifetime in silicon crystal by Kamioka, Takefumi, Isogai, Yuki, Hayashi, Yutaka, Ohshita, Yoshio, Ogura, Atsushi

    Published in AIP advances (01-10-2019)
    “…A reactive-plasma deposition (RPD) process damage is evaluated for an indium-tin-oxide (ITO)/SiO2/Si structure in terms of the recombination properties at the…”
    Get full text
    Journal Article
  6. 6

    Electrical conduction of Si/indium tin oxide/Si junctions fabricated by surface activated bonding by Liang, Jianbo, Ogawa, Tomoki, Hara, Tomoya, Araki, Kenji, Kamioka, Takefumi, Shigekawa, Naoteru

    Published in Japanese Journal of Applied Physics (01-02-2018)
    “…The electrical properties of n+-Si//indium tin oxide (ITO)/n+-Si, n+-Si//ITO/p+-Si, and p+-Si//ITO/n+-Si junctions fabricated by surface activated bonding…”
    Get full text
    Journal Article
  7. 7

    Simulation study on lateral minority carrier transport in the surface inversion layer of the p-aSi:H/i-aSi:H/cSi heterojunction solar cell by Kamioka, Takefumi, Hayashi, Yutaka, Gotoh, Kazuhiro, Hara, Tomohiko, Ozaki, Ryo, Morimura, Motoo, Shimizu, Ayako, Nakamura, Kyotaro, Usami, Noritaka, Ogura, Atsushi, Ohshita, Yoshio

    Published in Japanese Journal of Applied Physics (01-02-2021)
    “…The theoretical lateral current of the surface inversion layer in a crystalline silicon (cSi) surface for a p-aSi:H/i-aSi:H/cSi heterojunction (SHJ) solar cell…”
    Get full text
    Journal Article
  8. 8

    Full-scale whole device EMC/MD simulation of Si nanowire transistor including source and drain regions by utilizing graphic processing units by Suzuki, Akito, Watanabe, Takanobu, Kamakura, Yoshinari, Kamioka, Takefumi

    “…We have realized the full-scale whole device EMC/MD simulation including source and drain regions by utilizing graphic processing unit. The transfer…”
    Get full text
    Conference Proceeding
  9. 9

    Fabrication and performance analysis of a mechanical stack InGaP/GaAs//Si solar cell by Kan-Hua Lee, Nakamura, Kyotaro, Kamioka, Takefumi, Kojima, Nobuaki, Hyunju Lee, Li Wang, Araki, Kenji, Ohshita, Yoshio, Ogura, Atsushi, Yamaguchi, Masafumi

    “…We present the measurement results and analyses of a InGaP/GaAs//Si mechanical stack four-terminal solar cell. From these results, we performed detailed…”
    Get full text
    Conference Proceeding
  10. 10

    Real-Time Scanning Tunneling Microscopy Observation of Si(111) Surface Modified by Au+ Ion Irradiation by Kamioka, Takefumi, Sato, Kou, Kazama, Yutaka, Ohdomari, Iwao, Watanabe, Takanobu

    Published in Japanese Journal of Applied Physics (01-01-2010)
    “…The real-time scanning tunneling microscopy (STM) observation of Au + ion irradiation effects on a high-temperature Si surface has been performed using our…”
    Get full text
    Journal Article
  11. 11

    Si Island Formation on Domain Boundaries Induced by Ar Ion Irradiation on High-Temperature Si(111)-7 ×7 Dimer-Adatom-Stacking Fault Surfaces by Uchigasaki, Makoto, Tomiki, Kenichi, Kamioka, Takefumi, Nakayama, Eiji, Watanabe, Takanobu, Ohdomari, Iwao

    “…Using a low-energy ion gun/high-temperature scanning tunneling microscope combined system (IG/STM), we observed the atomic scale behavior of a Si surface kept…”
    Get full text
    Journal Article
  12. 12

    Effects of annealing temperature on workfunction of MoOx at MoOx/SiO2 interface and process-induced damage in indium tin oxide/MoOx/SiOx/Si stack by Kamioka, Takefumi, Hayashi, Yutaka, Isogai, Yuki, Nakamura, Kyotaro, Ohshita, Yoshio

    Published in Japanese Journal of Applied Physics (01-07-2018)
    “…The workfunction of molybdenum oxide (MoOx) at the MoOx/SiO2 interface, which is referred to as the interface workfunction, and the process-induced damage at…”
    Get full text
    Journal Article
  13. 13

    Electrical conduction of Si/ITO/Si junctions fabricated by surface activated bonding by Jianbo Liang, Ogawa, Tomoki, Araki, Kenji, Kamioka, Takefumi, Shigekawa, Naoteru

    “…The electrical properties of n-Si/ITO/n-Si, n-Si/ITO/p-Si, and p-Si/ITO/n-Si junctions fabricated by surface activated bonding (SAB) were investigated. The…”
    Get full text
    Conference Proceeding
  14. 14

    Evaluation of plasma induced defects on silicon substrate by solar cell fabrication process by Onishi, Kohei, Hara, Yutaka, Nishihara, Tappei, Kanai, Hiroki, Kamioka, Takefumi, Ohshita, Yoshio, Ogura, Atsushi

    Published in Japanese Journal of Applied Physics (01-07-2020)
    “…This research investigates the cause of lifetime reduction properties of a crystalline defect layer introduced by the plasma process such as reactive plasma…”
    Get full text
    Journal Article
  15. 15

    GaAs/Indium Tin Oxide/Si Bonding Junctions for III-V-on-Si Hybrid Multijunction Cells With Low Series Resistance by Shigekawa, Naoteru, Hara, Tomoya, Ogawa, Tomoki, Liang, Jianbo, Kamioka, Takefumi, Araki, Kenji, Yamaguchi, Masafumi

    Published in IEEE journal of photovoltaics (01-05-2018)
    “…Effects of GaAs/indium tin oxide (ITO)/Si junctions on III-V-on-Si multijunction solar cells are examined by fabricating and characterizing InGaP/GaAs/ITO/Si…”
    Get full text
    Journal Article
  16. 16
  17. 17

    Effects of annealing temperature on workfunction of MoO ^sub x^ at MoO ^sub x^ /SiO^sub 2^ interface and process-induced damage in indium tin oxide/MoO ^sub x^ /SiO ^sub x^ /Si stack by Kamioka, Takefumi, Hayashi, Yutaka, Isogai, Yuki, Nakamura, Kyotaro, Ohshita, Yoshio

    Published in Japanese Journal of Applied Physics (01-07-2018)
    “…The workfunction of molybdenum oxide (MoO x ) at the MoO x /SiO2 interface, which is referred to as the interface workfunction, and the process-induced damage…”
    Get full text
    Journal Article
  18. 18

    Surface inversion layer effective minority carrier mobility as one of the measures of surface quality of the p-aSi:H/i-aSi:H/cSi heterojunction solar cell by Kamioka, Takefumi, Hayashi, Yutaka, Gotoh, Kazuhiro, Ozaki, Ryo, Nakamura, Kyotaro, Morimura, Motoo, Naitou, Shimako, Usami, Noritaka, Ogura, Atsushi, Ohshita, Yoshio

    Published in Japanese Journal of Applied Physics (01-04-2020)
    “…The lateral transport of minority carriers in the surface inversion layer of a crystalline silicon (cSi) surface for a p-aSi:H/i-aSi:H/cSi heterojunction (SHJ)…”
    Get full text
    Journal Article
  19. 19

    Simulation of interdigitated back-contact silicon heterojunction solar cells with quantum transport model by Kamioka, Takefumi, Hayashi, Yutaka, Nakamura, Kyotaro, Ohshita, Yoshio

    Published in Japanese Journal of Applied Physics (01-08-2015)
    “…A simulation of interdigitated back-contact silicon heterojunction (IBC-SHJ) solar cells was performed using a quantum transport model to consider the quantum…”
    Get full text
    Journal Article
  20. 20

    Surface modification of silicon with single ion irradiation by Ohdomari, Iwao, Kamioka, Takefumi

    Published in Applied surface science (31-10-2007)
    “…In order to solve the issues in Si nanoelectronics such as fluctuation in the device functions and poor reliability of devices due to relative increase in mass…”
    Get full text
    Journal Article Conference Proceeding