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METAL-ION SUBSTITUTION CHEMISTRY IN THE YBACUO SYSTEM AS A PROBE OF THE SUPEREXCHANGE PATHWAY

Abstract:

The effect of subtitution for Cu by aluminum, nickel, and zinc in the YBaCuO superconducting system is described in detail. All three metals lower the Tc value and make the superconducting transition less abrupt. However, the strength of the effect varies with the metal, and this is attributed to their different reactivities and site preferences. The most dramatic effect is with zinc, which completely quenches the superconductivity when as few as 10% of the Cu sites are replaced. It is postul...

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Publication status:
Published

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Publisher copy:
10.1021/ja00228a018

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Journal:
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume:
110
Issue:
20
Pages:
6716-6720
Publication date:
1988-09-28
DOI:
ISSN:
0002-7863
URN:
uuid:9eedbbef-efd1-4dce-beac-5bd64ec70407
Source identifiers:
46480
Local pid:
pubs:46480
Language:
English

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