Distributions of Y2Ba1Cu1O5 particles in fluorine-doped Y1Ba2Cu3Ox superconductors

Hamada, Tomofumi; Morimo, R.; Ogura, R.

doi:10.1007/bf00687285

Cited by 6 publications

(2 citation statements)

References 13 publications

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“…The existence of BaF 2 in the specimen was investigated by using specimens quenched from 700, 800, 900, 935 and 950~ [9]. Here, the temperatures of 800 and 900~ include two data, for increase and decrease of the temperature from the maximum temperature.…”

Section: Epma and Xrd Analysismentioning

confidence: 99%

“…The percentage F increases as the temperature is increased (n); in the process of temperature decrease from 800 and 900~ the specimens hardly contain F (") ess, no Y2BaCuO5 particles were seen in the matrix of specimen #2. Quantitative analysis of the particles was done elsewhere [9]. On the other hand, the YBa2Cu30 x and Y2BaCuO 5 phases were observed in the XRD pattern.…”

Section: Epma and Xrd Analysismentioning

confidence: 99%

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Effect of BaF2 in the formation of Y2BaCuO5 particles in Y-Ba-Cu-O superconductor

Hamada

Mitsuda

1997

Journal of Thermal Analysis

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The YBCO superconductor was synthesized with BaF 2. The synthesis temperature of the specimen with BaF 2 was to be considerably lower than that for the unused one. The BaF 2 decomposes during the heat treatment, and does not influence the structure and critical temperature. The critical current density, Jc, in the specimen is lxl0 s A/m 2 at 77 K and 0.5 T. However, Jc is actually lower for the QMG specimen because the Y2BaCuO 5 particles are larger than those of the QMG specimen.

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Section: Epma and Xrd Analysismentioning

confidence: 99%

Section: Epma and Xrd Analysismentioning

confidence: 99%