論文 - 宇佐美 徳隆
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Effect of the Niobium-Doped Titanium Oxide Thickness and Thermal Oxide Layer for Silicon Quantum Dot Solar Cells as a Dopant-Blocking Layer 査読有り 国際誌
Akaishi Ryushiro, Kitazawa Kohei, Gotoh Kazuhiro, Kato Shinya, Usami Noritaka, Kurokawa Yasuyoshi
NANOSCALE RESEARCH LETTERS 15 巻 ( 1 ) 2020年2月
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Work function of indium oxide thin films on p-type hydrogenated amorphous silicon
Semma Masanori, Gotoh Kazuhiro, Kurokawa Yasuyoshi, Usami Noritaka
2020 47TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) 頁： 124 - 127 2020年
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Structural properties of triple junctions acting as dislocation sources in high-performance Si ingots
Ohno Yutaka, Tajima Kazuya, Kutsukake Kentaro, Usami Noritaka
2020 47TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) 頁： 2340 - 2340 2020年
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Fabrication of silicon-nanocrystals-embedded silicon oxide passivating contacts
Tsubata Ryohei, Gotoh Kazuhiro, Kurokawa Yasuyoshi, Usami Noritaka
2020 47TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) 頁： 969 - 972 2020年
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Application of artificial neural network to optimize sensor positions for accurate monitoring: an example with thermocouples in a crystal growth furnace 査読有り 国際誌
Boucetta Abderahmane, Kutsukake Kentaro, Kojima Takuto, Kudo Hiroaki, Matsumoto Tetsuya, Usami Noritaka
APPLIED PHYSICS EXPRESS 12 巻 ( 12 ) 2019年12月
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Tuning the Electrical Properties of Titanium Oxide Bilayers Prepared by Atomic Layer Deposition at Different Temperatures
Gotoh Kazuhiro, Mochizuki Takeya, Kurokawa Yasuyoshi, Usami Noritaka
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE 216 巻 ( 22 ) 2019年11月
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Mossbauer spectroscopic microscope study on diffusion and segregation of Fe impurities in mc-Si wafer 査読有り
Yoshida Yutaka, Watanabe Tomio, Ino Yuji, Kobayashi Masashi, Takahashi Isao, Usami Noritaka
HYPERFINE INTERACTIONS 240 巻 ( 1 ) 2019年9月
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Hydrogen concentration at a-Si:H/c-Si heterointerfaces-The impact of deposition temperature on passivation performance
Gotoh Kazuhiro, Wilde Markus, Kato Shinya, Ogura Shohei, Kurokawa Yasuyoshi, Fukutani Katsuyuki, Usami Noritaka
AIP ADVANCES 9 巻 ( 7 ) 2019年7月
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Marked enhancement of the photoresponsivity and minority-carrier lifetime of BaSi2 passivated with atomic hydrogen 国際共著
Xu Zhihao, Shohonov Denis A., Filonov Andrew B., Gotoh Kazuhiro, Deng Tianguo, Honda Syuta, Toko Kaoru, Usami Noritaka, Migas Dmitri B., Borisenko Victor E., Suemasu Takashi
PHYSICAL REVIEW MATERIALS 3 巻 ( 6 ) 2019年6月
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Evidence of solute PEDOT:PSS as an efficient passivation material for fabrication of hybrid c-Si solar cells 査読有り 国際誌
Van Hoang Nguyen, Kato Shinya, Gotoh Kazuhiro, Kurokawa Yasuyoshi, Usami Noritaka
SUSTAINABLE ENERGY & FUELS 3 巻 ( 6 ) 頁： 1448 - 1454 2019年6月
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Impact of size distributions of Ge islands as etching masks for anisotropic etching on formation of anti-reflection structures 国際共著
Ota Yushi, Yurasov Dmitry, Novikov Alexey, Shaleev Mikhail, Gotoh Kazuhiro, Kurokawa Yasuyoshi, Usami Noritaka
JAPANESE JOURNAL OF APPLIED PHYSICS 58 巻 ( 4 ) 2019年4月
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Epitaxial growth of SiGe on Si substrate by printing and firing of Al-Ge mixed paste 査読有り 国際誌
Fukami Shogo, Nakagawa Yoshihiko, Hainey Mel E. Jr., Gotoh Kazuhiro, Kurokawa Yasuyoshi, Nakahara Masahiro, Dhamrin Marwan, Usami Noritaka
JAPANESE JOURNAL OF APPLIED PHYSICS 58 巻 ( 4 ) 2019年4月
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Local Structure of High Performance TiOx Electron-Selective Contact Revealed by Electron Energy Loss Spectroscopy 査読有り
Mochizuki Takeya, Gotoh Kazuhiro, Kurokawa Yasuyoshi, Yamamoto Takahisa, Usami Noritaka
ADVANCED MATERIALS INTERFACES 6 巻 ( 3 ) 2019年2月
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Pole figure analysis from electron backscatter diffraction-an effective method of evaluating fiber-textured silicon thin films as seed layers for epitaxy 査読有り
Hainey Mel Jr., Robin Yoann, Amano Hiroshi, Usami Noritaka
APPLIED PHYSICS EXPRESS 12 巻 ( 2 ) 2019年2月
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3D visualization and analysis of dislocation clusters in multicrystalline silicon ingot by approach of data science 査読有り
Hayama Yusuke, Matsumoto Tetsuya, Muramatsu Tetsuro, Kutsukake Kentaro, Kudo Hiroaki, Usami Noritaka
SOLAR ENERGY MATERIALS AND SOLAR CELLS 189 巻 頁： 239-244 2019年1月
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Fabrication of Si1-xGex layer on Si substrate by Screen-Printing
Nakahara Masahiro, Matsubara Moeko, Suzuki Shota, Fukami Shogo, Dhamrin Manvan, Usami Noritaka
MRS ADVANCES 4 巻 ( 13 ) 頁： 749 - 754 2019年
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Effects of Surface Doping of Si Absorbers on the Band Alignment and Electrical Performance of TiO2-Based Electron-Selective Contacts 査読有り
Lee Hyunju, Kamioka Takefumi, Usami Noritaka, Ohshita Yoshio
MRS ADVANCES 4 巻 ( 13 ) 頁： 769-775 2019年
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Significant improvement on electrical properties of BaSi2 due to atomic H passivation by radio-frequency plasma 査読有り
Xu Zhihao, Gotoh Kazuhiro, Deng Tianguo, Toko Kaoru, Usami Noritaka, Suemasu Takashi
2019 IEEE 46TH PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC) 頁： 12-14 2019年
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Fine Line Al Printing on Narrow Point Contact Opening for Front Side Metallization 査読有り
Tsuji Kosuke, Suzuki Shota, Morishita Naoya, Kuroki Takashi, Nakahara Masahiro, Dhamrin Marwan, Peng Zih-Wei, Buck Thomas, Usami Noritaka
9TH INTERNATIONAL CONFERENCE ON CRYSTALLINE SILICON PHOTOVOLTAICS (SILICONPV 2019) 2147 巻 2019年
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Optimized electrical control of a Si/SiGe spin qubit in the presence of an induced frequency shift 査読有り 国際共著
Takeda K., Yoneda J., Otsuka T., Nakajima T., Delbecq M. R., Allison G., Hoshi Y., Usami N., Itoh K. M., Oda S., Kodera T., Tarucha S.
NPJ QUANTUM INFORMATION 4 巻 2018年10月