Search Results - "Kamioka, Takefumi"
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Light Induced Recombination Center at SiO2/Si Interface by the Reactive Plasma Deposition
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…”
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Evaluation of correlation between fill factor and high mobility transparent conductive oxide film deposition temperature in the silicon heterojunction solar cells
Published in Materials science in semiconductor processing (01-09-2021)“…We investigated the degradation factor of the conversion efficiency of the silicon heterojunction solar cells. In particular, we clarified the effect of the…”
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Feature extraction and spatial imaging of synchrotron radiation X-ray diffraction patterns using unsupervised machine learning
Published in Science and technology of advanced materials. Methods (31-12-2024)“…ABSTRACTWe analyzed a number of complicated X-ray diffraction patterns using feature patterns obtained through unsupervised machine learning. A crystalline…”
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Electrical properties of GaAs//indium tin oxide/Si junctions for III-V-on-Si hybrid multijunction cells
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…”
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5
Effects of damages induced by indium-tin-oxide reactive plasma deposition on minority carrier lifetime in silicon crystal
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…”
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6
Electrical conduction of Si/indium tin oxide/Si junctions fabricated by surface activated bonding
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…”
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Simulation study on lateral minority carrier transport in the surface inversion layer of the p-aSi:H/i-aSi:H/cSi heterojunction solar cell
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…”
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Full-scale whole device EMC/MD simulation of Si nanowire transistor including source and drain regions by utilizing graphic processing units
Published in 2014 International Conference on Simulation of Semiconductor Processes and Devices (SISPAD) (01-09-2014)“…We have realized the full-scale whole device EMC/MD simulation including source and drain regions by utilizing graphic processing unit. The transfer…”
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Conference Proceeding -
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Fabrication and performance analysis of a mechanical stack InGaP/GaAs//Si solar cell
Published in 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC) (01-06-2016)“…We present the measurement results and analyses of a InGaP/GaAs//Si mechanical stack four-terminal solar cell. From these results, we performed detailed…”
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Conference Proceeding -
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Real-Time Scanning Tunneling Microscopy Observation of Si(111) Surface Modified by Au+ Ion Irradiation
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…”
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Si Island Formation on Domain Boundaries Induced by Ar Ion Irradiation on High-Temperature Si(111)-7 ×7 Dimer-Adatom-Stacking Fault Surfaces
Published in Japanese Journal of Applied Physics (2005)“…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…”
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Effects of annealing temperature on workfunction of MoOx at MoOx/SiO2 interface and process-induced damage in indium tin oxide/MoOx/SiOx/Si stack
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…”
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Electrical conduction of Si/ITO/Si junctions fabricated by surface activated bonding
Published in 2017 5th International Workshop on Low Temperature Bonding for 3D Integration (LTB-3D) (01-05-2017)“…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…”
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Conference Proceeding -
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Evaluation of plasma induced defects on silicon substrate by solar cell fabrication process
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…”
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Journal Article -
15
GaAs/Indium Tin Oxide/Si Bonding Junctions for III-V-on-Si Hybrid Multijunction Cells With Low Series Resistance
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…”
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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
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…”
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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
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)…”
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Journal Article -
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Simulation of interdigitated back-contact silicon heterojunction solar cells with quantum transport model
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…”
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Surface modification of silicon with single ion irradiation
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…”
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Journal Article Conference Proceeding