Analysis of the morphology and chemical composition at the growth front of YBCO bulks

Wanmin Yang; Lian Zhou; Yong Feng; Pingxiang Zhang; Jingrong Wang; Cuiping Zhang; Zeming Yu; Xiaodong Tang

doi:10.1016/S0921-4534(00)00119-2

Analysis of the morphology and chemical composition at the growth front of YBCO bulks

Wanmin Yang, Lian Zhou, Yong Feng, Pingxiang Zhang, Jingrong Wang, Cuiping Zhang, Zeming Yu, Xiaodong Tang

Northwest Institute for Nonferrous Metal Research

Research output: Contribution to journal › Conference article › peer-review

Abstract

The morphology and chemical composition at the growth front of YBCO bulks have been investigated to make clear the stopped growth mechanism in the samples which have covered the whole melt growth process. It is found that the breakdown of quasi-single crystal growth occurs when the liquid phase ahead of the growth front becomes rich in copper and depleted in yttrium and barium. To meet the needs for maintaining the continuous growth of YBCO, the composition of Y, Ba and Cu has to be adjusted to be rich in yttrium and barium in the liquid phase ahead of the growth front during the melt growth process for growing large YBCO bulk superconductors.

Original language	English
Pages (from-to)	288-291
Number of pages	4
Journal	Physica C: Superconductivity and its Applications
Volume	337
Issue number	1
DOIs	https://doi.org/10.1016/S0921-4534(00)00119-2
State	Published - 1 Jul 2000
Externally published	Yes
Event	IUMRS-ICAM'99: Symposium B of the 5th International Conference on Advanced Materials 'High-Tc Superconductors' - Beijing, China Duration: 13 Jun 1999 → 18 Jun 1999

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10.1016/S0921-4534(00)00119-2

Cite this

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abstract = "The morphology and chemical composition at the growth front of YBCO bulks have been investigated to make clear the stopped growth mechanism in the samples which have covered the whole melt growth process. It is found that the breakdown of quasi-single crystal growth occurs when the liquid phase ahead of the growth front becomes rich in copper and depleted in yttrium and barium. To meet the needs for maintaining the continuous growth of YBCO, the composition of Y, Ba and Cu has to be adjusted to be rich in yttrium and barium in the liquid phase ahead of the growth front during the melt growth process for growing large YBCO bulk superconductors.",

author = "Wanmin Yang and Lian Zhou and Yong Feng and Pingxiang Zhang and Jingrong Wang and Cuiping Zhang and Zeming Yu and Xiaodong Tang",

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doi = "10.1016/S0921-4534(00)00119-2",

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T1 - Analysis of the morphology and chemical composition at the growth front of YBCO bulks

AU - Yang, Wanmin

AU - Zhou, Lian

AU - Feng, Yong

AU - Zhang, Pingxiang

AU - Wang, Jingrong

AU - Zhang, Cuiping

AU - Yu, Zeming

AU - Tang, Xiaodong

PY - 2000/7/1

Y1 - 2000/7/1

N2 - The morphology and chemical composition at the growth front of YBCO bulks have been investigated to make clear the stopped growth mechanism in the samples which have covered the whole melt growth process. It is found that the breakdown of quasi-single crystal growth occurs when the liquid phase ahead of the growth front becomes rich in copper and depleted in yttrium and barium. To meet the needs for maintaining the continuous growth of YBCO, the composition of Y, Ba and Cu has to be adjusted to be rich in yttrium and barium in the liquid phase ahead of the growth front during the melt growth process for growing large YBCO bulk superconductors.

AB - The morphology and chemical composition at the growth front of YBCO bulks have been investigated to make clear the stopped growth mechanism in the samples which have covered the whole melt growth process. It is found that the breakdown of quasi-single crystal growth occurs when the liquid phase ahead of the growth front becomes rich in copper and depleted in yttrium and barium. To meet the needs for maintaining the continuous growth of YBCO, the composition of Y, Ba and Cu has to be adjusted to be rich in yttrium and barium in the liquid phase ahead of the growth front during the melt growth process for growing large YBCO bulk superconductors.

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DO - 10.1016/S0921-4534(00)00119-2

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SN - 0921-4534

VL - 337

SP - 288

EP - 291

JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

IS - 1

T2 - IUMRS-ICAM'99: Symposium B of the 5th International Conference on Advanced Materials 'High-Tc Superconductors'

Y2 - 13 June 1999 through 18 June 1999

ER -

Analysis of the morphology and chemical composition at the growth front of YBCO bulks

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