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Structural study of (Nd1.85, Ce0.15)CuO4 superconducting singlecrystal by x-ray synchrotron radiation diffraction

✍ Scribed by P. Bordet; J.L. Hodeau; M. Marezio; D.B. McWhan; R.J. Melville; S. Palmer

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
157 KB
Volume
185-189
Category
Article
ISSN
0921-4534

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✦ Synopsis

We carried out a diffraction profile shape study of a nearly perfect superconducting single crystal of the (Ndl.asCe0.15)CuO4 compound in order to detect cooperative deformations associated to the superconducting transition, and check the existence of a superstructure,. No change in reciprocal space was detected around Tc. No superstructure reflexions or diffuse scattering could be observed up to a sensibility of 10-5. The presence of a minority phase with a slightly larger c parameter was observed. It is attributed to inhomogeneities of Ce content inside the crystal.

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