A Morphological Study of Electroless Deposition in High Magnetic Fields(Crystal Growth, Chemical Reaction and Biology)
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概要
- 論文の詳細を見る
Growth morphology of a silver metal-leaf was investigated in high magnetic fields up to 8T as an experimental approach to the diffusion-limited aggregation (DLA) with the lateral drift of particles. The silver metal-leaves were grown around a square 'seed' of copper from a AgNO_3 aqueous solution by means of the electroless reduction of silver ions. The growth pattern of the metal-leaf had a typical DLA structure with the fractal dimension of 1.62 in the absence of magnetic field. On the other hand, it had a spiral and dense branching structure at 8T, in which the crossover in the fractal dimension from 1.69 to 2 was observed with increasing length scale. The spiral direction was reversed by the reversal of the applied field. A metal-forest pattern of silver was also investigated, which was grown around a copper ribbon. Its growth morphology changed from the DLA pattern without the field into a canting and dense pattern at 8T.
- 東北大学の論文
- 1993-06-30
著者
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Mogi Iwao
Institute for Materials Research, Tohoku University
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Nakagawa Yasuaki
Institute for Materials Research, Tohoku University
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Mogi Iwao
Institute For Materials Research Tohoku University
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Mogi Iwao
Department Of Chemisty Faculty Of Science Kyoto University:institute For Materials Research Tohoku U
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Mogi I
Institute Of Materials Research Tohoku University
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Okubo S
Molecular Photoscience Research Center Kobe University:venture Business Laboratory Kobe University
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Okubo Susumu
Institute For Materials Research Tohoku University
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Okubo Susumu
Institute For Materials Research
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Nakagawa Y
Tohoku Univ. Sendai
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Nakagawa Y
Himeji Inst. Technol. Ako‐gun
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Nakagawa Y
Institute For Materials Research Tohoku University
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Nakagawa Yasuaki
Department Of Electronics Tohoku Institute Of Technology
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Nakagawa Yasuaki
Institute For Material Research Tohoku University
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Nakagawa Yasuaki
The Research Institute For Iron Steel And Other Metals Tohoku University
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Okubo Susumu
Department Of Physics And Astronomy University Of Rochester
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Mogi I
Tohoku Univ. Sendai Jpn
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OKUBO Susumu
Venture Business Laboratory, Kobe University:Molecular Photoscience Research Center, Kobe University
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MOGI Iwao
Institute for Matererials Research, Tohoku University
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