An explanation for bends of 1-dimensional nanorods

Masashi Mukaida, Ataru Ichinose, Paolo Mele, Kaname Matsumoto, Shigeru Horii, Yutaka Yoshida

研究成果: Conference article

1 引用 (Scopus)

抄録

Growth of artificial pinning centers (APCs) in YBa2Cu3O7-δ(YBCO) films are discussed. The APCs used in this research are BaZrO3 and BaSnO3 nanorods which are reported by Mele et al. TEM images show these nanorods gradually bend accordingly with approaching to a surface of films. This feature showed a growth pattern like a firework. We explain the feature of the nanorods as follows; At an early growth stage, films grow in a layer by layer growth mode. The surface of the films is flat and very smooth. After the early growth stage, the film surface gradually becomes rough, indicating the film grows in a Stranski-Krastanov growth mode. This roughness was caused by a spiral growth of films with many steps. At the step of YBCO films, nanorod materials such as BaZrO3 are supplied from one direction. Then, the center of nanorods sifts to the same direction of the step flow. Then, the nanorods bend to the edge of the grains in the films. As a grain in spiral growth had a convex surface, nanorods bent to the direction perpendicular to the grain surface. Finally, nanorods in rough grains form firework structures.

元の言語English
ページ(範囲)1631-1636
ページ数6
ジャーナルPhysics Procedia
36
DOI
出版物ステータスPublished - 2012 1 1
外部発表Yes
イベントSuperconductivity Centennial Conference, SCC 2011 - The Hague, Netherlands
継続期間: 2011 9 182011 9 23

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nanorods
pyrotechnics
roughness
transmission electron microscopy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

これを引用

Mukaida, M., Ichinose, A., Mele, P., Matsumoto, K., Horii, S., & Yoshida, Y. (2012). An explanation for bends of 1-dimensional nanorods. Physics Procedia, 36, 1631-1636. https://doi.org/10.1016/j.phpro.2012.06.320

An explanation for bends of 1-dimensional nanorods. / Mukaida, Masashi; Ichinose, Ataru; Mele, Paolo; Matsumoto, Kaname; Horii, Shigeru; Yoshida, Yutaka.

:: Physics Procedia, 巻 36, 01.01.2012, p. 1631-1636.

研究成果: Conference article

Mukaida, M, Ichinose, A, Mele, P, Matsumoto, K, Horii, S & Yoshida, Y 2012, 'An explanation for bends of 1-dimensional nanorods', Physics Procedia, 巻. 36, pp. 1631-1636. https://doi.org/10.1016/j.phpro.2012.06.320
Mukaida M, Ichinose A, Mele P, Matsumoto K, Horii S, Yoshida Y. An explanation for bends of 1-dimensional nanorods. Physics Procedia. 2012 1 1;36:1631-1636. https://doi.org/10.1016/j.phpro.2012.06.320
Mukaida, Masashi ; Ichinose, Ataru ; Mele, Paolo ; Matsumoto, Kaname ; Horii, Shigeru ; Yoshida, Yutaka. / An explanation for bends of 1-dimensional nanorods. :: Physics Procedia. 2012 ; 巻 36. pp. 1631-1636.
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