In situ growth of YBaCuO superconducting thin films by excimer laser ablation: influence of deposition and cooling parameters - Université de Limoges Accéder directement au contenu
Article Dans Une Revue Applied Surface Science Année : 1993

In situ growth of YBaCuO superconducting thin films by excimer laser ablation: influence of deposition and cooling parameters

Résumé

In situ YBaCuO thin films are deposited on MgO single-crystal by pulsed laser ablation using an excimer laser (KrF, 248 nm). Deposition and cooling conditions are investigated in order to obtain c-oriented samples. The influence of substrate temperature and oxygen pressure during both deposition and post-deposition processes on the structural (orientation, lattice parameters) and electrical (resistivity at 300 K, critical temperature, transition width) film properties is analyzed. These studies lead to reproducible high quality c-oriented thin films which exhibit a critical temperature of 90 K, a superconducting transition width less than 1 K and a good behavior in the normal state.

Domaines

Matériaux
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hal-02296052 , version 1 (08-06-2020)

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P. Marchet, C. Champeaux, J. Aubreton, J.-P. P Mercurio, A. Catherinot. In situ growth of YBaCuO superconducting thin films by excimer laser ablation: influence of deposition and cooling parameters. Applied Surface Science, 1993, 69 (1-4), pp.335 - 339. ⟨10.1016/0169-4332(93)90529-K⟩. ⟨hal-02296052⟩
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