Biotemplated synthesis of superconducting plate-like YBa2Cu3O7-delta using oligosaccharides

Simon R. Hall, Stuart C. Wimbush, Yosuke Shida, Wataru Ogasawara

Research output: Contribution to journalArticle (Academic Journal)peer-review

5 Citations (Scopus)

Abstract

Crystallization of the high temperature superconductor YBa2Cu3O7-delta (Y123) in a plate-like morphology has been achieved through the use of the short-chained oligosaccharides. This is the first time that bio-templates with such a high degree of monodispersity have been used to synthesize superconducting oxides, with control over crystallization being effected through a single molecular species. We find that for all the oligosaccharides used, there is an increasing prevalence of thin, plate-like crystals as the oligosaccharide chain length increases. SQUID magnetometry revealed that there was an increase in critical current density (J(c)) concomitant with an increase in the plateyness of the crystallites. (C) 2011 Elsevier B.V. All rights reserved.

Original languageEnglish
Pages (from-to)144-150
Number of pages7
JournalChemical Physics Letters
Volume507
Issue number1-3
DOIs
Publication statusPublished - 29 Apr 2011

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