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Magnetic and 119-Sn Mössbauer Effect Study of Sn-Doped Pb2Sr2Eu.5Cu3-xSnxO8+z (x = 0.0, 0.1) Superconductors*

Published online by Cambridge University Press:  28 February 2011

P. P. Vaishnava ,
C. D. Nelson  and
W. P. Pratt Jr.
P. P. Vaishnava
Affiliation:
GMI Engineering & Management Institute, Flint, MI 48504
C. D. Nelson
Affiliation:
Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824
W. P. Pratt Jr.
Affiliation:
Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824
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Abstract

X-ray diffraction, magnetic susceptibility and 119-Sn Mössbauer effect measurements have been performed on Pb2Sr2Eu.5Cu3-xSnx08+z (x = 0.0, 0.1) superconductors. The x-ray diffraction pattern indicated that the samples are single phase materials. The diamagnetic shielding and the Meissner fraction increase with the introduction of Sn in the lattice. The 119-Sn Mössbauer effect measurements have been used to determine the site symmetry and valence state of Sn atom in the superconductor.

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Footnotes

*

Work supported by Center for Fundamental Material Research, Michigan State University, East Lansing, MI 48824

References

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