Bi-2212 and Y123 highly curved single-crystal-like objects: whiskers, bows and ring-like structures

High-temperature superconducting objects of Bi2Sr2CaCu2O8 and Y Ba2Cu3O7 highly curved in the ab-plane, such as curved/kinked whiskers, bows and ring-like structures, were obtained within a solid-liquid-solid (SLS) grass-like growth mechanism. As-grown objects are crystals with three-dimensional epi...

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Bibliographic Details
Published in:Superconductor science & technology 2012-10, Vol.25 (10), p.105003-1-10
Main Authors: Badica, Petre, Agostino, Angelo, Khan, Mohammad Mizanur Rahman, Cagliero, Stefano, Plapcianu, Carmen, Pastero, Linda, Truccato, Marco, Hayasaka, Yuichiro, Jakob, Gerhard
Format: Article
Language:English
Subjects:
BISMUTH OXIDE
Bows
Condensed matter: electronic structure, electrical, magnetic, and optical properties
COPPER OXIDE
CRYSTAL GROWTH
Crystals
Cuprates superconductors (high tc and insulating parent compounds)
Curved
EPITAXY
Exact sciences and technology
Physics
Shape factor
SINGLE CRYSTALS
SUPERCONDUCTIVITY
SUPERCONDUCTORS
THIN FILMS
Three dimensional
WHISKERS
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Summary:High-temperature superconducting objects of Bi2Sr2CaCu2O8 and Y Ba2Cu3O7 highly curved in the ab-plane, such as curved/kinked whiskers, bows and ring-like structures, were obtained within a solid-liquid-solid (SLS) grass-like growth mechanism. As-grown objects are crystals with three-dimensional epitaxy similar to conventional single crystals: they can be viewed as crystal parts 'cut' from a conventional rectangular crystal. Between our curved objects and conventional crystals, whiskers or thin films there are some differences in the superconducting properties induced only by the shape factors and no new physics is observed. Some details of the growth mechanism are discussed, emphasizing curved-line formation.
ISSN:0953-2048
1361-6668
DOI:10.1088/0953-2048/25/10/105003