Moiré Fringe Analysis of BaZrO3 Nanorods in ErBa2Cu3O7-δ Films

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概要

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• Microstructures of BaZrO3 (BZO) doped as artificial pinning centers in ErBa2Cu3O7-δ (ErBCO) films were studied by high-resolution transmission electron microscopy (HR-TEM). BZO-doped ErBCO films were grown by a pulsed laser deposition (PLD) method. In the HR-TEM observation, the presence of nanorods with 10 nm average diameter was confirmed from Moiré fringe analysis. The lattice constant of nanorods in the ErBCO was measured using a selected area electron diffraction pattern (SAEDP) as 0.416 nm, which was in good agreement with the lattice constant of BZO, 0.419 nm, provided by X-ray diffraction data. Moiré fringes were observed in both cross-sectional-view and plan-view of the HR-TEM images. The distances of the Moiré fringes were 2.07, 3.22, and 3.05 nm, and which corresponded to the 200, 006, and 110 reflections of the ErBCO matrix and the 200, 002, and 110 reflections of nanorods, respectively. It is suggested that BZO disperses in ErBCO film as nanorods.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2007-02-15

著者

• Kita Ryusuke

  Department Of Electrical And Electronic Engineering Faculty Of Engineering Shizuoka University

• Ichinose Ataru

  Central Research Institute Of Electric Power Industry

• MUKAIDA Masashi

  Department of Electrical and Information Engineering, Yamagata University

• Tomokiyo Yoshitsugu

  Department Of Applied Science For Electronics And Materials Kyushu University

• Matsumoto Kaname

  Department Of Materials Science And Engineering Kyushu Institute Of Technology

• Toh Shoichi

  Hvem Laboratory Kyushu University

• Shingai Yuki

  Department Of Materials Physics And Chemistry Kyushu University

• Mori Nobuyuki

  Department Of Cardiovascular Disease Research Eisai Tsukuba Research Laboratories

• Horii Shigeru

  Department Of Applied Chemistry School Of Engineering University Of Tokyo

• Kaneko Kenji

  Department Of Applied Bio-sciences Faculty Of Agriculture Tohoku University

• Yoshida Yutaka

  Deparlment Of Internal Medicine School Of Medicine Kobe University

• Yamada Kazuhiro

  Department Of Applied Physics And Physico-informatics Faculty Of Science And Technology Keio University

• Matsumoto Kaname

  Department of Materials Science and Engineering, Kyoto University, Yoshida-Honmachi, Sakyo-ku, Kyoto 606-8510, Japan

• Yamada Kazuhiro

  Department of Materials Physics and Chemistry, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

• Shingai Yuki

  Department of Materials Physics and Chemistry, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

• Kita Ryusuke

  Department of Electrical and Electronic Engineering, Shizuoka University, Hamamatsu, Shizuoka 432-8561, Japan

• Toh Shoichi

  HVEM Laboratory, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan

• Tomokiyo Yoshitsugu

  Department of Electrical and Materials Science, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka 816-8580, Japan

• Mori Nobuyuki

  Department of Materials Science and Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan

• YAMADA Kazuhiro

  Department of Agricultural Chemistry, Tokyo University of Agriculture

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