Electrical and magnetic properties of high T<sub>c</sub> melt growth processed YBaCuO rods
C Hannay; R Cloots; H W Vanderschueren; P A Godelaine; G J Tatlock; D G McCartney; M Ausloos; C Hannay; Inst. d'Electr. Montefiore, Liege Univ., Belgium; R Cloots; Inst. d'Electr. Montefiore, Liege Univ., Belgium; H W Vanderschueren; Inst. d'Electr. Montefiore, Liege Univ., Belgium; P A Godelaine; Inst. d'Electr. Montefiore, Liege Univ., Belgium; G J Tatlock; Inst. d'Electr. Montefiore, Liege Univ., Belgium; D G McCartney; Inst. d'Electr. Montefiore, Liege Univ., Belgium; M Ausloos; Inst. d'Electr. Montefiore, Liege Univ., Belgium
Журнал:
Superconductor Science and Technology
Дата:
1992-01-01
Аннотация:
YBaCuO rods have been textured using a moving thermal gradient method. Micrographs show well aligned (123) grains and 211 inclusions. The electrical resistivity transition is sharp, but broadens under an applied magnetic field. The thermoelectric power presents a smooth rise above the critical temperature. The AC susceptibility real part is smooth, but the imaginary part presents some fine structure. All properties are those of quasi single crystal materials. The critical current density is high (7000 A/cm<sup>2</sup> at 80 K, 5 kG). It increases logarithmically with frequency.
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