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The effect of electron irradiation in high-Tc oxide superconductors

Published online by Cambridge University Press:  31 January 2011

E. Adem ,
L. Martínez ,
J. Richards ,
E. Orozco ,
J. Fuentes-Maya ,
J. L. Albarrán ,
A. Mendoza ,
E. Carrillo ,
L. Cota  and
J. Reyes-Gasga
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E. Adem
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
L. Martínez
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
J. Richards
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
E. Orozco
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
J. Fuentes-Maya
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
J. L. Albarrán
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
A. Mendoza
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
E. Carrillo
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
L. Cota
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
J. Reyes-Gasga
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
J. L. Boldú
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
R. Pérez
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
J. G. Pérez-Ramirez
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
J. José-Yacamán
Affiliation:
Instituto de Fisica, Universidad Nacional Autonoma de México, Apartado Postal 20-364, Deleg. alvaro obregon. 01000 México D. E. México
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Abstract

A superconductor ceramic oxide with the Y1Ba2Cu3O7−x phase and exhibiting a transition temperature at Tc ≍92K, was irradiated at room temperature with 1 MeV electrons. It was found that the irradiation produces a sharp drop in the Tc value from 92 K down to ∼40K. The irradiated sample suffered a change from metallike character to semiconductorlike behavior at T > Tc. It is also shown that after irradiation the twin boundaries on the material become irregular.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 3 , Issue 5 , October 1988 , pp. 807 - 810
Copyright
Copyright © Materials Research Society 1988

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References

REFERENCES

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