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Vu, TheDang; Iizawa, Yuki*; Nishimura, Kazuma*; Shishido, Hiroaki*; Kojima, Kenji*; Oikawa, Kenichi; Harada, Masahide; Miyajima, Shigeyuki*; Hidaka, Mutsuo*; Oku, Takayuki; et al.
Journal of Physics; Conference Series, 1293, p.012051_1 - 012051_9, 2019/10
Times Cited Count:5 Percentile:93.09(Materials Science, Multidisciplinary)Oba, Yojiro; Sasaki, Hirokazu*; Yamazaki, Satoshi*; Nakasaki, Ryusuke*; Onuma, Masato*
no journal, ,
Since pinning centers are closely related to the physical properties in Zr-doped (Gd,Y)BaCuO superconductor tapes, the accurate characterization of the pinning centers is required. Although small-angle X-ray scattering (SAXS) is suitable for this purpose, weak scattering contrast between (Gd,Y)BaCuO matrix and BaZrO pinning center is a problem. Therefore, anomalous small-angle X-ray scattering (ASAXS) at Zr K absorption edge was performed. Since Zr is concentrated in only the pinning center, the scattering of the pinning center is enhanced. As the result, we successfully observed the scattering of the pinning centers in the Zr-doped (Gd,Y)BaCuO tapes. The detail of the nanostructures of the pinning centers is discussed.