| 作成者 |
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en
Asaba, Tomoya
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浅場, 智也
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ORCID 0000-0003-4631-9589
e-Rad_Researcher 90909417
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所属
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Department of Physics, Kyoto University
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Peng, Lang
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彭, 浪
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所属
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Department of Physics, Kyoto University
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Ono, Takahiro
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小野, 孝浩
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所属
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Department of Physics, Kyoto University
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Akutagawa, Satoru
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芥川, 聖
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所属
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Department of Physics, Kyoto University
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Tanaka, Ibuki
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田中, 伊蕗
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所属
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Department of Physics, Kyoto University
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Murayama, Hinako
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村山, 陽奈子
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所属
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Department of Physics, Kyoto University; RIKEN Center for Emergent Matter Science
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Suetsugu, Shota
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末次, 祥大
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ORCID 0000-0003-1597-8784
e-Rad_Researcher 00893710
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所属
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Department of Physics, Kyoto University
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de
Razpopov, Aleksandar
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所属
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Institut für Theoretische Physik, Goethe-Universität
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Kasahara, Yuichi
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笠原, 裕一
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e-Rad_Researcher 10511941
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所属
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Department of Physics, Kyoto University
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Terashima, Takahito
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寺嶋, 孝仁
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e-Rad_Researcher 40252506
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所属
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Department of Physics, Kyoto University
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Kohsaka, Yuhki
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幸坂, 祐生
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所属
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Department of Physics, Kyoto University
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Shibauchi, Takasada
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芝内, 孝禎
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所属
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Department of Advanced Materials Science, University of Tokyo
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Ichikawa, Masatoshi
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市川, 正敏
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ORCID 0000-0002-6345-2106
e-Rad_Researcher 40403919
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所属
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Department of Physics, Kyoto University
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Valentí, Roser
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所属
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Institut für Theoretische Physik, Goethe-Universität
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Sasa, Shin-ichi
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佐々, 真一
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所属
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Department of Physics, Kyoto University
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Matsuda, Yuji
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松田, 祐司
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所属
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Department of Physics, Kyoto University
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| 内容注記 |
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Abstract
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Continued advances in quantum technologies rely on producing nanometer-scale wires. Although several state-of-the-art nanolithographic technologies and bottom-up synthesis processes have been used to engineer these wires, critical challenges remain in growing uniform atomic-scale crystalline wires and constructing their network structures. Here, we discover a simple method to fabricate atomic-scale wires with various arrangements, including stripes, X-junctions, Y-junctions, and nanorings. Single-crystalline atomic-scale wires of a Mott insulator, whose bandgap is comparable to those of wide-gap semiconductors, are spontaneously grown on graphite substrates by pulsed-laser deposition. These wires are one unit cell thick and have an exact width of two and four unit cells (1.4 and 2.8 nm) and lengths up to a few micrometers. We show that the nonequilibrium reaction-diffusion processes may play an essential role in atomic pattern formation. Our findings offer a previously unknown perspective on the nonequilibrium self-organization phenomena on an atomic scale, paving a unique way for the quantum architecture of nano-network.
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Other
ja
1ナノメートル半導体量子細線の作製に成功 --量子の熱帯魚パターンが拓く未来のナノテク--. 京都大学プレスリリース. 2023-05-08.
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