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METAL-SUPERCONDUCTOR-INSULATOR TRANSITION IN THE (TL1-XPBX)(CAL-YYY)SR2CU2O7-DELTA SYSTEM

Abstract:

The (Tl1-xPbx) (Ca1-yYy) Sr2Cu2O7-δ system exhibits the highest superconducting transition temperature (110K), at x=0.5 and y=0.2, 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 simple crystal structure, which bears many similarities to that of 90K superconductor YBa2Cu3O7-δ. In this letter we report some important features of the cation-substitution chemistr...

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Publication status:
Published

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Host title:
PHYSICA B
Volume:
165
Issue:
2
Pages:
1683-1684
Publication date:
1990-08-01
DOI:
ISSN:
0921-4526
Pubs id:
pubs:46629
UUID:
uuid:fd8fb682-479d-4e9e-ab2d-1bc171fb0930
Local pid:
pubs:46629
Source identifiers:
46629
Deposit date:
2012-12-19

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