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SUPERCONDUCTIVITY AT 124 K IN (TL, PB)SR2CA2CU3O9

Abstract:

We report the preparation of almost phase pure (Tl0.5Pb0.5)Sr2Ca2Cu3O9, which is characterized by high temperature superconductivity with Tconset = 130 K, Temidpoint = 124 K, Tczero = 122.5 K as measured by electrical resistance, and a diamagnetic onset temperature, Tcmag of 124 K determined by DC magnetic susceptibility. The new procedure involves synthesizing a material with nominal stoichiometry (Tl0.5Pb0.5)Sr1.6Ca2.4Cu3O9, which is encapsulated in gold foil and sintered at 950°C for 3 h i...

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Publication status:
Published

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Authors


JEFFERSON, D More by this author
EDWARDS, P More by this author
Journal:
PHYSICA C
Volume:
198
Issue:
3-4
Pages:
318-322
Publication date:
1992-08-01
DOI:
ISSN:
0921-4534
URN:
uuid:e8f21368-7027-4594-be85-202c1dad43ba
Source identifiers:
46548
Local pid:
pubs:46548
Language:
English

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