Oriented crystal growth in Bi(Pb)2223 bulks prepared with magnetic melt processing

W. P. Chen, K. Watanabe, M. Motokawa, H. Maeda

Research output: Contribution to journalConference articlepeer-review

3 Citations (Scopus)

Abstract

A containerless melting-solidification process has been developed for Bi-Pb-Sr-Ca-Cu-O system by using a mixture of Bi(Pb)2212 and CaCuO2 as precursors. Almost no solute liquid is spread out from the pellet during the melt processing and Bi(Pb)2212 is reformed after solidification without changing the composition, therefore bulks of high Bi(Pb)2223 content can be formed by a long time sintering. When a magnetic field of 8 T is applied during the melting-solidification process, an obvious texture is introduced in the reformed Bi(Pb)2212. We found that an oriented crystal growth of Bi(Pb)2223 is achieved from the textured Bi(Pb)2212. This indicates that the magnetic melt processing can be applied to obtain texture development in Bi(Pb)2223 bulks by orienting Bi(Pb)2212 grains firstly.

Original languageEnglish
Pages (from-to)2842-2845
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume11
Issue number1 III
DOIs
Publication statusPublished - 2001 Mar
Event2000 Applied Superconductivity Conference - Virginia Beach, VA, United States
Duration: 2000 Sep 172000 Sep 22

Keywords

  • Heat treatment
  • High-temperature superconductors
  • Magnetic fields

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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