TY - JOUR
T1 - Fabrication and superconducting properties of Gd-Ba-Cu-O single-grain bulk with barium cerate addition
AU - Nariki, S.
AU - Sakai, N.
AU - Murakami, M.
AU - Hirabayashi, I.
N1 - Funding Information:
This work is partially supported by the New Energy and Industrial Technology Development Organization (NEDO).
PY - 2006/10/1
Y1 - 2006/10/1
N2 - We investigated processing, microstructure and superconducting properties of Gd123 single grain bulk superconductors with a large amount of BaCeO3. The melt-textured bulk samples with compositions of Gd123 : BaCeO3 : Gd211 = 100 : 40-x : x (x = 0-40) plus 20 wt.% of Ag2O and 0.5 wt.% of Pt were fabricated in Ar-1%O2 gas. The single grain bulk samples 25 and 33 mm in diameters were obtained with the composition of x = 5-40. It was observed that BaCeO3 particles of 1-2 μm in diameters and Gd211 particles of 0.5-1 μm in diameters were dispersed in the melt-textured samples. Magnetic trapped fields of the 25 mm-sized samples with x = 10-40 were around 1 T at 77 K and the 33 mm-sized sample with x = 20 was 1.4 T at 77 K.
AB - We investigated processing, microstructure and superconducting properties of Gd123 single grain bulk superconductors with a large amount of BaCeO3. The melt-textured bulk samples with compositions of Gd123 : BaCeO3 : Gd211 = 100 : 40-x : x (x = 0-40) plus 20 wt.% of Ag2O and 0.5 wt.% of Pt were fabricated in Ar-1%O2 gas. The single grain bulk samples 25 and 33 mm in diameters were obtained with the composition of x = 5-40. It was observed that BaCeO3 particles of 1-2 μm in diameters and Gd211 particles of 0.5-1 μm in diameters were dispersed in the melt-textured samples. Magnetic trapped fields of the 25 mm-sized samples with x = 10-40 were around 1 T at 77 K and the 33 mm-sized sample with x = 20 was 1.4 T at 77 K.
KW - BaCeO
KW - Critical current density
KW - Melt-textured bulk
KW - Trapped magnetic field Gd-Ba-Cu-O
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U2 - 10.1016/j.physc.2006.04.069
DO - 10.1016/j.physc.2006.04.069
M3 - Article
AN - SCOPUS:33748200051
SN - 0921-4534
VL - 445-448
SP - 291
EP - 294
JO - Physica C: Superconductivity and its Applications
JF - Physica C: Superconductivity and its Applications
IS - 1-2
ER -