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CRYSTAL-STRUCTURE AND CATION STOICHIOMETRY OF SUPERCONDUCTING TL2BA2CUO6+DELTA SINGLE-CRYSTALS

Abstract:

High quality single crystals of Tl2Ba2CuO6+δ have been obtained by a CuO self-flux method. The synthesized crystals have an average chemical composition of Tl1.85(4)Ba1.94(4)Cu1.15(2)O6+δ as determined by electron probe microanalysis (EPMA), suggesting a possible substitution of Cu for Tl. Single-crystal X-ray diffraction experiments and structure refinement show that the crystal exhibits tetragonal symmetry (space group 14/mmm), with lattice parameters a=3.8608(4) Å and c=23.1332(9) Å. Site ...

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Publication status:
Published

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Journal:
PHYSICA C More from this journal
Volume:
198
Issue:
3-4
Pages:
203-208
Publication date:
1992-08-01
DOI:
ISSN:
0921-4534
Language:
English
Pubs id:
pubs:46547
UUID:
uuid:23cfd224-d624-4b70-9185-af39e31b4e33
Local pid:
pubs:46547
Source identifiers:
46547
Deposit date:
2012-12-19

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