Superconductivity at 86 K in LuBa2Cu3O7-δ thin films

Pinto, R. ; Pai, S. P. ; Tamhane, A. S. ; Apte, P. R. ; Vijayaraghavan, R. ; Gnanasekar, K. I. ; Gupta, L. C. ; Keer, H. V. (1992) Superconductivity at 86 K in LuBa2Cu3O7-δ thin films Physical Review B, 46 (21). pp. 14242-14244. ISSN 0163-1829

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Official URL: http://prb.aps.org/abstract/PRB/v46/i21/p14242_1

Related URL: http://dx.doi.org/10.1103/PhysRevB.46.14242

Abstract

Superconductivity has been observed in thin films of LuBa2Cu3O7-δ, which otherwise does not form the 1:2:3 superconducting phase in bulk, presumably due to the small ionic radius of Lu. From this work, it is clear that the substrate influences the nucleation of the 1:2:3 superconducting phase in thin films. Results indicate that LuBa2Cu3O7-δ thin films with as good a quality as that achievable with YBa2Cu3O7-δ thin films can be realized; zero resistance transition temperature (Tc) of 86 K and critical-current density (Jc) of 5×105 A cm-2 at 77 K have been obtained.

Item Type:Article
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ID Code:11331
Deposited On:09 Nov 2010 03:33
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