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Synthesis Conditions and Superconductivity in 123-Type Superconductors (1998)

Nanda, K. K. ; Routra, N. ; Bhatta, D.

Springer

Journal of superconductivity 11 (1998), S. 649-652

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ISSN: 1572-9605

Keywords: Electrical resistivity ; high T c superconductors ; substitution effects

Source: Springer Online Journal Archives 1860-2000

Topics: Electrical Engineering, Measurement and Control Technology , Physics

Notes: Abstract We have synthesized REBa2Cu3O7−δ, where RE = Y, Sm, Gd, and SM(123):Ag under the identical conditions and characterized R – T and SEM–EDAX measurements by XRD. It is observed for sample SmBa2Cu3O7−δ with δ= 0.3 that substitution of 10% Ag in place of Cu reduces T c by 13 K along with the enhancement of normal-state resistivity by almost 200 times. When the T c of the samples were optimized, it was found that the normal-state resistivity decreases by the substitution of Ag along with a decrease in T c.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1023/A:1022612316767

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