Papers - USAMI Noritaka
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Synthesis of Mg2Si thin film by thermal treatment under inert gas atmosphere and evaluation of film quality Reviewed International journal
Horiba Issei, Fujiwara Michinobu, Nakagawa Yoshihiko, Gotoh Kazuhiro, Kurokawa Yasuyoshi, Itoh Takashi, Usami Noritaka
JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 59 2020.4
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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 Reviewed International journal
Kamioka Takefumi, Hayashi Yutaka, Gotoh Kazuhiro, Ozaki Ryo, Nakamura Kyotaro, Morimura Motoo, Naitou Shimako, Usami Noritaka, Ogura Atsushi, Ohshita Yoshio
JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 59 2020.4
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Preparation and thermoelectric characterization of phosphorus-doped Si nanocrystals/silicon oxide multilayers Reviewed International journal
Kobayashi Hisayoshi, Akaishi Ryushiro, Kato Shinya, Kurosawa Masashi, Usami Noritaka, Kurokawa Yasuyoshi
JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 59 2020.4
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Effect of Si substrate modification on improving the crystalline quality, optical and electrical properties of thermally-evaporated BaSi2 thin-films for solar cell applications Reviewed International coauthorship International journal
Mai Thi Kieu Lien, Usami Noritaka
INTERNATIONAL JOURNAL OF MODERN PHYSICS B Vol. 34 ( 8 ) 2020.3
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Surface-orientation control of silicon thin films via aluminum-induced crystallization on monocrystalline cubic substrates International coauthorship Open Access
Hainey Mel Jr., Zhou Eddie (Chenhui), Viguerie Loic, Usami Noritaka
JOURNAL OF CRYSTAL GROWTH Vol. 533 2020.3
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Effect of hydrogen plasma treatment on the passivation performance of TiOx on crystalline silicon prepared by atomic layer deposition Reviewed International journal
Miyagawa Shinsuke, Gotoh Kazuhiro, Ogura Shohei, Wilde Markus, Kurokawa Yasuyoshi, Fukutani Katsuyuki, Usami Noritaka
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A Vol. 38 ( 2 ) 2020.3
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Effect of forming gas annealing on hydrogen content and surface morphology of titanium oxide coated crystalline silicon heterocontacts Reviewed International journal
Nakagawa Yuta, Gotoh Kazuhiro, Wilde Markus, Ogura Shohei, Kurokawa Yasuyoshi, Fukutani Katsuyuki, Usami Noritaka
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A Vol. 38 ( 2 ) 2020.3
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Point defects in BaSi2 thin films for photovoltaic applications studied by positron annihilation spectroscopy International coauthorship Open Access
Montes A., Eijt S. W. H., Tian Y., Gram R., Schut H., Suemasu T., Usami N., Zeman M., Serra J., Isabella O.
JOURNAL OF APPLIED PHYSICS Vol. 127 ( 8 ) 2020.2
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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 Reviewed International journal Open Access
Akaishi Ryushiro, Kitazawa Kohei, Gotoh Kazuhiro, Kato Shinya, Usami Noritaka, Kurokawa Yasuyoshi
NANOSCALE RESEARCH LETTERS Vol. 15 ( 1 ) 2020.2
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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) page： 124 - 127 2020
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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) page： 2340 - 2340 2020
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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) page： 969 - 972 2020
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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 Reviewed International journal
Boucetta Abderahmane, Kutsukake Kentaro, Kojima Takuto, Kudo Hiroaki, Matsumoto Tetsuya, Usami Noritaka
APPLIED PHYSICS EXPRESS Vol. 12 ( 12 ) 2019.12
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Tuning the Electrical Properties of Titanium Oxide Bilayers Prepared by Atomic Layer Deposition at Different Temperatures Open Access
Gotoh Kazuhiro, Mochizuki Takeya, Kurokawa Yasuyoshi, Usami Noritaka
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE Vol. 216 ( 22 ) 2019.11
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Mossbauer spectroscopic microscope study on diffusion and segregation of Fe impurities in mc-Si wafer Reviewed
Yoshida Yutaka, Watanabe Tomio, Ino Yuji, Kobayashi Masashi, Takahashi Isao, Usami Noritaka
HYPERFINE INTERACTIONS Vol. 240 ( 1 ) 2019.9
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Hydrogen concentration at a-Si:H/c-Si heterointerfaces-The impact of deposition temperature on passivation performance Open Access
Gotoh Kazuhiro, Wilde Markus, Kato Shinya, Ogura Shohei, Kurokawa Yasuyoshi, Fukutani Katsuyuki, Usami Noritaka
AIP ADVANCES Vol. 9 ( 7 ) 2019.7
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Marked enhancement of the photoresponsivity and minority-carrier lifetime of BaSi2 passivated with atomic hydrogen International coauthorship Open Access
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 Vol. 3 ( 6 ) 2019.6
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Evidence of solute PEDOT:PSS as an efficient passivation material for fabrication of hybrid c-Si solar cells Reviewed International journal
Van Hoang Nguyen, Kato Shinya, Gotoh Kazuhiro, Kurokawa Yasuyoshi, Usami Noritaka
SUSTAINABLE ENERGY & FUELS Vol. 3 ( 6 ) page： 1448 - 1454 2019.6
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Impact of size distributions of Ge islands as etching masks for anisotropic etching on formation of anti-reflection structures International coauthorship
Ota Yushi, Yurasov Dmitry, Novikov Alexey, Shaleev Mikhail, Gotoh Kazuhiro, Kurokawa Yasuyoshi, Usami Noritaka
JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 58 ( 4 ) 2019.4
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Epitaxial growth of SiGe on Si substrate by printing and firing of Al-Ge mixed paste Reviewed International journal
Fukami Shogo, Nakagawa Yoshihiko, Hainey Mel E. Jr., Gotoh Kazuhiro, Kurokawa Yasuyoshi, Nakahara Masahiro, Dhamrin Marwan, Usami Noritaka
JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 58 ( 4 ) 2019.4