論文 - 宇佐美 徳隆
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Impact of Ge deposition temperature on parameters of c-Si solar cells with surface texture formed by etching of Si using SiGe islands as a mask 査読有り 国際共著 国際誌
Nguyen V. H., Novikov A., Shaleev M., Yurasov D., Semma M., Gotoh K., Kurokawa Y., Usami N.
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING 114 巻 2020年8月
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Reactive deposition growth of highly (001)-oriented BaSi2 films by close-spaced evaporation 査読有り 国際誌
Hara Kosuke O., Takizawa Shuhei, Yamanaka Junji, Usami Noritaka, Arimoto Keisuke
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING 113 巻 2020年7月
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Atomic hydrogen passivation for photoresponsivity enhancement of boron-doped p-BaSi2 films and performance improvement of boron-doped p-BaSi2/n-Si heterojunction solar cells 査読有り 国際共著 国際誌
Xu Zhihao, Sato Takuma, Benincasa Louise, Yamashita Yudai, Deng Tianguo, Gotoh Kazuhiro, Toko Kaoru, Usami Noritaka, Filonov Andrew B., Migas Dmitri B., Shohonov Denis A., Suemasu Takashi
JOURNAL OF APPLIED PHYSICS 127 巻 ( 23 ) 2020年6月
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Impact of deposition of indium tin oxide double layers on hydrogenated amorphous silicon/crystalline silicon heterojunction 査読有り 国際誌
Semma Masanori, Gotoh Kazuhiro, Wilde Markus, Ogura Shohei, Kurokawa Yasuyoshi, Fukutani Katsuyuki, Usami Noritaka
AIP ADVANCES 10 巻 ( 6 ) 2020年6月
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Significant enhancement of photoresponsivity in As-doped n-BaSi2 epitaxial films by atomic hydrogen passivation 査読有り 国際誌
Aonuki Sho, Yamashita Yudai, Sato Takuma, Xu Zhihao, Gotoh Kazuhiro, Toko Kaoru, Terai Yoshikazu, Usami Noritaka, Suemasu Takashi
APPLIED PHYSICS EXPRESS 13 巻 ( 5 ) 頁： . 2020年5月
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Undoped p-type BaSi2 emitter prepared by thermal evaporation and post-annealing for crystalline silicon heterojunction solar cells 査読有り 国際誌
Kimura Yuki, Gotoh Kazuhiro, Kurokawa Yasuyoshi, Usami Noritaka
APPLIED PHYSICS EXPRESS 13 巻 ( 5 ) 2020年5月
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Scalable fabrication of GaN on amorphous substrates via MOCVD on highly oriented silicon seed layers 査読有り 国際共著 国際誌
Hainey Mel Jr., Robin Yoann, Avit Geoffrey, Amano Hiroshi, Usami Noritaka
JOURNAL OF CRYSTAL GROWTH 535 巻 2020年4月
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3D visualization of growth interfaces in cast Si ingot using inclusions distribution 査読有り 国際共著 国際誌
Kamibeppu Soichiro, Krenckel Patricia, Troetschler Theresa, Hess Adam, Riepe Stephan, Usami Noritaka
JOURNAL OF CRYSTAL GROWTH 535 巻 2020年4月
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Drastic enhancement of photoresponsivity in C-doped BaSi2 films formed by radio-frequency sputtering 査読有り 国際誌
Nemoto T., Matsuno S., Sato T., Gotoh K., Mesuda M., Kuramochi H., Toko K., Usami N., Suemasu T.
JAPANESE JOURNAL OF APPLIED PHYSICS 59 巻 2020年4月
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Synthesis of Mg2Si thin film by thermal treatment under inert gas atmosphere and evaluation of film quality 査読有り 国際誌
Horiba Issei, Fujiwara Michinobu, Nakagawa Yoshihiko, Gotoh Kazuhiro, Kurokawa Yasuyoshi, Itoh Takashi, Usami Noritaka
JAPANESE JOURNAL OF APPLIED PHYSICS 59 巻 2020年4月
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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 査読有り 国際誌
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 59 巻 2020年4月
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Preparation and thermoelectric characterization of phosphorus-doped Si nanocrystals/silicon oxide multilayers 査読有り 国際誌
Kobayashi Hisayoshi, Akaishi Ryushiro, Kato Shinya, Kurosawa Masashi, Usami Noritaka, Kurokawa Yasuyoshi
JAPANESE JOURNAL OF APPLIED PHYSICS 59 巻 2020年4月
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Influence of the time-dependent vapor composition on structural properties of the BaSi2 thin films fabricated by vacuum evaporation 査読有り 国際誌
Yoshino Takamasa, Nakagawa Yoshihiko, Kimura Yuki, Fujiwara Michinobu, Kurokawa Yasuyoshi, Usami Noritaka
JAPANESE JOURNAL OF APPLIED PHYSICS 59 巻 2020年4月
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Fabrication of group IV semiconductor alloys on Si substrate applying Al paste with screen-printing 査読有り 国際誌
Nakahara Masahiro, Matsubara Moeko, Suzuki Shota, Dhamrin Marwan, Miyamoto Satoru, Hainey Mel Forrest Jr., Usami Noritaka
JAPANESE JOURNAL OF APPLIED PHYSICS 59 巻 2020年4月
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Effects of evaporation vapor composition and post-annealing conditions on carrier density of undoped BaSi2 evaporated films 査読有り 国際誌
Kimura Yuki, Fujiwara Michinobu, Nakagawa Yoshihiko, Gotoh Kazuhiro, Kurokawa Yasuyoshi, Usami Noritaka
JAPANESE JOURNAL OF APPLIED PHYSICS 59 巻 2020年4月
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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 査読有り 国際共著 国際誌
Mai Thi Kieu Lien, Usami Noritaka
INTERNATIONAL JOURNAL OF MODERN PHYSICS B 34 巻 ( 8 ) 2020年3月
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Surface-orientation control of silicon thin films via aluminum-induced crystallization on monocrystalline cubic substrates 国際共著
Hainey Mel Jr., Zhou Eddie (Chenhui), Viguerie Loic, Usami Noritaka
JOURNAL OF CRYSTAL GROWTH 533 巻 2020年3月
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Effect of hydrogen plasma treatment on the passivation performance of TiOx on crystalline silicon prepared by atomic layer deposition 査読有り 国際誌
Miyagawa Shinsuke, Gotoh Kazuhiro, Ogura Shohei, Wilde Markus, Kurokawa Yasuyoshi, Fukutani Katsuyuki, Usami Noritaka
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A 38 巻 ( 2 ) 2020年3月
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Effect of forming gas annealing on hydrogen content and surface morphology of titanium oxide coated crystalline silicon heterocontacts 査読有り 国際誌
Nakagawa Yuta, Gotoh Kazuhiro, Wilde Markus, Ogura Shohei, Kurokawa Yasuyoshi, Fukutani Katsuyuki, Usami Noritaka
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A 38 巻 ( 2 ) 2020年3月
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Point defects in BaSi2 thin films for photovoltaic applications studied by positron annihilation spectroscopy 国際共著
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 127 巻 ( 8 ) 2020年2月