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THE SYNTHESIS, BY TRIETHYLAMMONIUMOXALATE COPRECIPITATION, AND SUPERCONDUCTING PROPERTIES OF Y(BA1-XSRX)2CU4O8

Abstract:

Superconductivity has been investigated in the system Y(Ba1-xSrx)2Cu4O8 (0 ≤ x ≤ 0.5). The samples were prepared by triethylammoniaoxalate coprecipitation at ambient oxygen pressure. The superconducting transition temperature, Tc, increased from a value of 85 K (x = 0) to 90 K (x = 0.1 - 0.2) and then decreased to 64 K at x = 0.5. For compositions beyond the solubility limit (x = 0.3), the magnitude of dTc dx was high, ca. 45 K from 0.3 to 0.5. The maximum Tc, 90 K, recorded from samples in t...

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Publication status:
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Journal:
JOURNAL OF SOLID STATE CHEMISTRY More from this journal
Volume:
92
Issue:
1
Pages:
247-252
Publication date:
1991-05-01
DOI:
EISSN:
1095-726X
ISSN:
0022-4596
Language:
English
Pubs id:
pubs:46603
UUID:
uuid:06867321-19c3-4fa1-aa8e-2e38cc9cec59
Local pid:
pubs:46603
Source identifiers:
46603
Deposit date:
2012-12-19

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