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Flux growth of superconducting La2CuO4 single crystals

Abstract:

We report here the first observation of superconductivity in lanthanum cuprate crystals grown in an ambient atmosphere. The best result achieved so far is: (1) superconducting transition temperature T-c = 32 K with DeltaT(c) similar to3 K by ac susceptibility measurement, and (2) T-c (on set) = 36 K and T-c (zero resistance) = 26 K by resistivity measurements. The solubility curve of La2CuO4 in molten CuO has been established, and large single crystals with size up to 16 x 15 x 0.1 mm(3) have...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Volume:
341
Issue:
PART 1
Pages:
535-536
Publication date:
2000-11-05
DOI:
ISSN:
0921-4534
URN:
uuid:4bdef505-f815-4dfe-936b-b6199876cf02
Source identifiers:
29782
Local pid:
pubs:29782

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