Autor: |
Rath, Sebastian, Woodall, Lee, Lehmann, Martin, Gerards, Michael, Schmahl, Wolfgang Wilhelm |
Předmět: |
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Zdroj: |
IEEE Transactions on Applied Superconductivity; Mar2001 Part 3 of 3, Vol. 11 Issue 1, p2858, 4p, 4 Charts, 2 Graphs |
Abstrakt: |
Investigates the phase assemblage in PBSCCO precursor superconducting powders for 2223-OPIT production using Rietveld analysis of x-ray powder diffractograms. Lattice parameters of Pb-free and Pb-containing 2212; Reduction of Pb[sup 4+] and the related increased solubility of Pb in the 2212-phase at high temperatures and low oxygen partial pressures. |
Databáze: |
Complementary Index |
Externí odkaz: |
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