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Fe Doping Effects in Aerosol Processed YBa2 (Cu1-xFex)307–δ Submicrocrystalline Grains

Published online by Cambridge University Press:  28 February 2011

P. Boolchand ,
P. Biswas ,
D. Zhou ,
D. McDaniel ,
W. Huff ,
J. Oostens  and
D. Farrell
P. Boolchand
Affiliation:
University of Cincinnati, Cincinnati, OH 45221–0030
P. Biswas
Affiliation:
University of Cincinnati, Cincinnati, OH 45221–0030
D. Zhou
Affiliation:
University of Cincinnati, Cincinnati, OH 45221–0030
D. McDaniel
Affiliation:
University of Cincinnati, Cincinnati, OH 45221–0030
W. Huff
Affiliation:
University of Cincinnati, Cincinnati, OH 45221–0030
J. Oostens
Affiliation:
University of Cincinnati, Cincinnati, OH 45221–0030
D. Farrell
Affiliation:
Case Western Reserve University, Cleveland, OH 44106
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Abstract

Magnetization and Mössbauer spectroscopy results on aerosol processed YBa2 (Cu1-xFex)307–δ samples are presented. Systematics of Tc(x), x(x) and Fe dopant site occupancies In/I(x) as a function of dopant concentration ‘x’ are deduced and compared to those established on analogous solid-state- reacted samples. The absence of twinning in the aerosol processed grains leads to a random replacement of Cu for Fe in chains and planes of the host structure.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 1045
Copyright
Copyright © Materials Research Society 1990

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References

1 Biswas, P., Zhou, D., Zitkovsky, I., Blue, C. and Boolchand, P., Materials Letters 8 (6.7) 233; also see T.T. Kodas et al., Appl. Phys. Letts. 52(19), 1622 (1988).Google Scholar
2 Boolchand, P. and McDaniel, D. in Studies of High-Temperature Superconductorsf Vol. 4 (Nova Science Publishers, 1989) 143.Google Scholar
3 Biswas, P., Zhou, D., Grothaus, J., Boolchand, P. and McDaniel, D., Mat. Res. Soc. Symp.Google Scholar
4 Boolchand, P. et al. , Hyperfine Interactions (to be published).Google Scholar