Surface morphology and microstructure of Sm 1+xBa 2−xCu 3O y thin films including self-organized columnar pinning centers

T Ozaki,Y Yoshida,Y Ichino,T Harada,Y Takai,K Matsumoto,A Ichinose,S Horii,M Mukaida,R Kita

doi:10.1016/j.physc.2009.05.082

Surface morphology and microstructure of Sm 1+xBa 2−xCu 3O y thin films including self-organized columnar pinning centers

T Ozaki, Y Yoshida + Show 8 more

https://doi.org/10.1016/j.physc.2009.05.082

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Journal: Physica C: Superconductivity and its applications	Publication Date: May 29, 2009
Citations: 7

Affiliation: Nagoya University, Kyushu Institute of Technology, Central Research Institute of Electric Power Industry, The University of Tokyo, Kyushu University, Shizuoka University

#Spiral Growth Mode #Plan-view Transmission Electron Microscope + Show 8 more

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Abstract

We investigated the influence of the BZO nanorods on the surface morphologies of conventional PLD-SmBCO film and the SmBCO film prepared by a low-temperature growth (LTG) technique, developed by us as a novel crystal growth method. Dynamic force microscope (DFM) images showed that growth modes in SmBCO including BZO nanorods films were transformed from spiral growth mode into the 2D nucleation and growth mode. Moreover, observations using the DFM showed growth steps of the PLD- and LTG-SmBCO. Plan-view transmission electron microscope (TEM) images suggested that the BZO pinned the growth of the SmBCO layer.

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