Effects of Sm/sub 2/BaCuO/sub 5/ addition on the melt-textured-growth YBa/sub 2/Cu/sub 3/O/sub y

Effects of Sm/sub 2/BaCuO/sub 5/ addition on the melt-textured-growth YBa/sub 2/Cu/sub 3/O/sub y

Effects of Sm/sub 2/BaCuO/sub 5/ addition on the microstructure and superconducting properties of the melt textured-growth YBa/sub 2/Co/sub 3/O/sub y/, have been investigated in this paper. Sm/sub 2/BaCuO/sub 5/ addition decreases the crystal domain size and thickness of plate grains in domains, and...

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Veröffentlicht in:IEEE transactions on applied superconductivity 1997-06, Vol.7 (2), p.1937-1940
Hauptverfasser: Zhang, H., Gong, S.M., Cai, C.B.
Format: Artikel
Sprache:eng
Schlagworte:
Cooling
Critical current density
Force measurement
Force sensors
Levitation
Magnetization
Powders
Scanning electron microscopy
Temperature
Time measurement
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Zusammenfassung:Effects of Sm/sub 2/BaCuO/sub 5/ addition on the microstructure and superconducting properties of the melt textured-growth YBa/sub 2/Co/sub 3/O/sub y/, have been investigated in this paper. Sm/sub 2/BaCuO/sub 5/ addition decreases the crystal domain size and thickness of plate grains in domains, and increases the intragrain critical current densities. The peak effect in the magnetization curve is observed in the samples with Sm/sub 2/BaCuO/sub 5/ additions. The levitation force and force relaxation with time were measured and compared for bulks with and without the Sm/sub 2/BaCuO/sub 5/ addition.
ISSN:1051-8223
1558-2515
DOI:10.1109/77.620965