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Kei Sumita
Kei Sumita
Verified email at mosfet.t.u-tokyo.ac.jp
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Year
Operation of (111) Ge-on-insulator n-channel MOSFET fabricated by smart-cut technology
CM Lim, Z Zhao, K Sumita, K Toprasertpong, M Takenaka, S Takagi
IEEE Electron Device Letters 41 (7), 985-988, 2020
202020
Low-loss Ge waveguide at the 2-µm band on an n-type Ge-on-insulator wafer
Z Zhao, CM Lim, C Ho, K Sumita, Y Miyatake, K Toprasertpong, S Takagi, ...
Optical Materials Express 11 (12), 4097-4106, 2021
162021
Fabrication of thin body InAs-on-insulator structures by Smart Cut method with H+ implantation at room temperature
K Sumita, K Kato, M Takenaka, S Takagi
Japanese Journal of Applied Physics 58 (SB), SBBA03, 2019
132019
Effects of hydrogen ion implantation dose on physical and electrical properties of Ge-on-insulator layers fabricated by the smart-cut process
CM Lim, Z Zhao, K Sumita, K Toprasertpong, M Takenaka, S Takagi
AIP advances 10 (1), 2020
112020
Ultrahigh-responsivity waveguide-coupled optical power monitor for Si photonic circuits operating at near-infrared wavelengths
T Ochiai, T Akazawa, Y Miyatake, K Sumita, S Ohno, S Monfray, F Boeuf, ...
Nature Communications 13 (1), 7443, 2022
102022
Effective mobility enhancement through asymmetric strain channels on extremely thin body (100) GOI pMOSFETs
CT Chen, K Sumita, K Toprasertpong, M Takenaka, S Takagi
IEEE Transactions on Electron Devices 69 (1), 25-30, 2021
92021
Proposal and experimental demonstration of ultrathin-body (111) InAs-on-insulator nMOSFETs with L valley conduction
K Sumita, K Toprasertpong, M Takenaka, S Takagi
IEEE Transactions on Electron Devices 68 (4), 2003-2009, 2021
82021
Optimum channel design of extremely-thin-body nMOSFETs utilizing anisotropic Valley—Robust to surface roughness scattering
K Sumita, CT Chen, K Toprasertpong, M Takenaka, S Takagi
IEEE Transactions on Electron Devices 69 (4), 2115-2121, 2022
72022
Influence of layer transfer and thermal annealing on the properties of InAs-On-Insulator films
K Sumita, J Takeyasu, K Toprasertpong, M Takenaka, S Takagi
Journal of Applied Physics 128 (1), 2020
72020
Accurate evaluation of specific contact resistivity between InAs/Ni–InAs alloy using a multi-sidewall transmission line method
K Sumita, K Kato, J Takeyasu, K Toprasertpong, M Takenaka, S Takagi
Japanese Journal of Applied Physics 59 (SG), SGGA08, 2020
62020
Monolithic integration of electro-absorption modulators and photodetectors on III-V CMOS photonics platform by quantum well intermixing
N Sekine, K Sumita, K Toprasertpong, S Takagi, M Takenaka
Optics Express 30 (13), 23318-23329, 2022
52022
Electrical Properties of Ultra-Thin Body (111) Ge-On-Insulator n-Channel MOSFETs Fabricated by Smart-Cut Process
CM Lim, Z Zhao, K Sumita, K Toprasertpong, M Takenaka, S Takagi
IEEE Journal of the Electron Devices Society 9, 612-617, 2021
52021
Influence of substrate impurity concentration on sub-threshold swing of Si n-channel MOSFETs at cryogenic temperatures down to 4 K
MS Kang, K Sumita, H Oka, T Mori, K Toprasertpong, M Takenaka, ...
Japanese Journal of Applied Physics 62 (SC), SC1062, 2023
42023
Optimum design of channel material and surface orientation for extremely-thin-body nMOSFETs under new modeling of surface roughness scattering
K Sumita, CT Chen, K Toprasertpong, M Takenaka, S Takagi
2021 IEEE International Electron Devices Meeting (IEDM), 18.3. 1-18.3. 4, 2021
42021
Evaluation of interface traps inside the conduction band of InAs-on-insulator nMOSFET by self-consistent Hall-QSCV method
K Sumita, K Toprasertpong, M Takenaka, S Takagi
Applied Physics Letters 119 (10), 2021
42021
Subband engineering by combination of channel thickness scaling and (111) surface orientation in InAs-on-insulator nMOSFETs
K Sumita, K Toprasertpong, M Takenaka, S Takagi
2020 IEEE International Electron Devices Meeting (IEDM), 2.5. 1-2.5. 4, 2020
42020
Low-capacitance ultrathin InGaAs membrane photodetector on Si slot waveguide toward receiverless system
T Akazawa, D Wu, K Sumita, N Sekine, M Okano, K Toprasertpong, ...
IEEE Transactions on Electron Devices 69 (12), 7184-7189, 2022
32022
Hole Mobility Boosters of (110)-Oriented Extremely Thin Body SiGe-on-Insulator (SGOI) pMOSFETs
CT Chen, X Han, K Sumita, K Toprasertpong, M Takenaka, S Takagi
IEEE Transactions on Electron Devices, 2023
22023
Formulation of Ground States for 2DEG at Rough Surfaces and Application to Nonlinear Model of Surface Roughness Scattering in nMOSFETs
K Sumita, MS Kang, K Toprasertpong, M Takenaka, S Takagi
IEEE Journal of the Electron Devices Society 11, 216-229, 2023
22023
Advanced CMOS technologies for ultra-low power logic and AI applications
S Takagi, K Toprascrtpong, K Kato, K Sumita, E Nako, R Nakane, KW Jo, ...
2021 5th IEEE Electron Devices Technology & Manufacturing Conference (EDTM), 1-3, 2021
22021
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