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SUPERCONDUCTIVITY AND THE METAL-SEMICONDUCTOR TRANSITION IN THE SEPTENARY OXIDE SYSTEM, (TL0.5PB0.5)(CA1-YYY)SR2CU2O7-DELTA

Abstract:

The septenary compound (Tl0.5Pb0.5)(Ca1-yYy)Sr2Cu2O7-δ exhibits the highest superconducting transition temperature (110 K) yet observed in the TlCaBa2Cu2O7-δ (1122) structure type. This complex, six-blend combination of metallic elements which make up the material is, however, compensated by a relatively simply crystal structure, which bears many similarities to that of 90 K superconductor YBa2 Cu3O7-δ. In this note we report some important features of the cation-substitution chemistry of the...

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Publication status:
Published

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Journal:
JOURNAL OF SOLID STATE CHEMISTRY
Volume:
86
Issue:
2
Pages:
334-339
Publication date:
1990-06-01
DOI:
EISSN:
1095-726X
ISSN:
0022-4596
Language:
English
Pubs id:
pubs:46640
UUID:
uuid:388cb270-ec8e-4951-872f-4975c3f099f2
Local pid:
pubs:46640
Source identifiers:
46640
Deposit date:
2012-12-19

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