Fabrication of as-grown superconducting MgB2 thin films

We succeeded to prepare as-grown MgB2 superconducting thin films. The thin films were deposited on single crystal SrTiO3(111) substrates by very simple method of rf-sputtering using a single target without post-annealing process. A Mg disk with many small chunks of B on it was used as a target. The...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2004-08, Vol.408-410, p.898-899
Main Authors: Ohkubo, H., Akinaga, M.
Format: Article
Language:English
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Summary:We succeeded to prepare as-grown MgB2 superconducting thin films. The thin films were deposited on single crystal SrTiO3(111) substrates by very simple method of rf-sputtering using a single target without post-annealing process. A Mg disk with many small chunks of B on it was used as a target. The temperature dependences of resistance were measured by the four-probe method and the films of substrate temperature during sputtering ranging from 100 to 120 deg C showed zero resistivity at about 14 K.
ISSN:0921-4534
DOI:10.1016/j.physc.2004.03.153