Preparation and properties of nanosize TiO2 and MgO-doped Bi2Sr2CaCu2Ox tapes

Wangshui Wei, Yangren Sun, Justin Schwartz, K. Goretta, U. Balachandran, A. Bhargava

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9 Scopus citations

Abstract

Nanosize MgO and TiO2 particles were added to the Bi2Sr2CaCu2Ox powder with 20% molar fraction. Powder-in-tube Ag-sheathed tapes were made from the doped powders and heat treated by partial melting processing. Heat treatment optimization was carried out to increase the critical current density. Scanning electron microscopy and energy-dispersive X-ray spectra were used to study the phases present in the tapes. The effect of MgO additions on the flux pinning behavior was investigated by magnetic hysteresis and transport critical current measurements at various temperatures and fields.

Original languageEnglish (US)
Pages (from-to)1556-1559
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume7
Issue number2 PART 2
DOIs
StatePublished - 1997

All Science Journal Classification (ASJC) codes

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

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