Superconducting and non-superconducting oxide multilayers

Hegde, M. S. ; Satyalakshmi, K. M. ; Sundar Manoharan, S. ; Kumar, Dhananjay (1995) Superconducting and non-superconducting oxide multilayers Materials Science and Engineering B, 32 (3). pp. 239-245. ISSN 0921-5107

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An overview of perovskite-related metallic oxides and their thin films is presented with an emphasis on the epitaxial growth of LaNiO3 thin films on a variety of substrates. Using these films as metallic barrier layers, YBa2Cu3O7-δ/LaNiO3/YBa2Cu3O7-δSrTiO3 trilayer superconductor-normal metal (metallic oxide)-superconductor junctions have been fabricated. The results indicate that the coherence length of electrons in the normal metal LaNiO3 region is of the order of 125 Å. Besides, the growth of a-axis-oriented LaBa2Cu2.8Ni0.2O7-δ metallic thin films is reported which can be used as a promising template to grow a-axis-oriented overlayers required preferably in the fabrication of multilayer devices.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:SNS Junction; Perovskite Oxides; Metallic Oxides; Lanthanum Nickelate
ID Code:15797
Deposited On:13 Nov 2010 12:32
Last Modified:03 Jun 2011 08:39

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