High-pressure oxygen-induced bulk superconductivity in 1222 structure Tl-Pb-Sr-Eu(ce)-Cu-O

Iqbal, Z., Sinha, A. P. B., Morris, D. E, Barry, J. C, Auchterlonie, G. J and Ramakrishna, B. L (1991) High-pressure oxygen-induced bulk superconductivity in 1222 structure Tl-Pb-Sr-Eu(ce)-Cu-O. Journal of Applied Physics, 70 4: 2234-2237. doi:10.1063/1.349414

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Author Iqbal, Z.
Sinha, A. P. B.
Morris, D. E
Barry, J. C
Auchterlonie, G. J
Ramakrishna, B. L
Title High-pressure oxygen-induced bulk superconductivity in 1222 structure Tl-Pb-Sr-Eu(ce)-Cu-O
Journal name Journal of Applied Physics   Check publisher's open access policy
ISSN 0021-8979
1089-7550
Publication date 1991-08-15
Sub-type Article (original research)
DOI 10.1063/1.349414
Open Access Status File (Publisher version)
Volume 70
Issue 4
Start page 2234
End page 2237
Total pages 4
Place of publication Melville, NY, United States
Publisher A I P Publishing LLC
Language eng
Formatted abstract
A primarily single phase compound of composition (Tl0.5Pb0.5)Sr2(Eu2−xCex)Cu2O9 (where x ranges from ≪0.1 to 0.17) has been synthesized in the so‐called 1222 structure. Bulk superconductivity near 40 K is induced via oxygen doping in 100 bar of oxygen at 550 °C. The material has been structurally characterized by diffraction and high‐resolution lattice imaging techniques. The lattice images reveal the presence of some intergrowths of a 1212 structure nonsuperconducting (Tl0.5Pb0.5)Sr2EuCu2O7 phase in the bulk 1222 structure of the parent compound and indications of periodicity that suggest the possible existence of a new, composite structure 2434 phase.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Chemistry and Molecular Biosciences
 
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