Sol-gel: a novel method to synthesize YBa2Cu4O8

Palkar, V. R. ; Guptasarma, P. ; Multani, M. S. ; Vijayaraghavan, R. (1991) Sol-gel: a novel method to synthesize YBa2Cu4O8 Physica C: Superconductivity, 185-189 . pp. 479-480. ISSN 0921-4534

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We report here the successful synthesis of the superconductor YBa2Cu4O8(1-2-4) through a solution based "sol-gel" technique which vastly simplifies its preparation. Unlike the conventional route, this does not require a high oxygen pressure during synthesis and yields totally single phase material. The technique involves formation in solution, of a fine-particle complex based precursor. The 1-2-4 phase, with a Tc of 80K, is found to form in flowing oxygen with a single firing of 30 minutes at 900°C.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:61871
Deposited On:15 Sep 2011 11:52
Last Modified:15 Sep 2011 11:52

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