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Anisotropic transport properties in tilted c-axis MgB2 thin films (Articolo in rivista)

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Anisotropic transport properties in tilted c-axis MgB2 thin films (Articolo in rivista) (literal)

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Pasquale Orgiani; Chen, Ke; Cui, Yi; Li, Qi; Ferrando, V.; Putti, M.; Iavarone, M.; Di Capua, R.; Ciancio, R.; Vaglio, R.; Maritato, L.; Xi, X. X. (2010)
Anisotropic transport properties in tilted c-axis MgB2 thin films
in Superconductor science and technology (Print); IOP Publishing Ltd. (Institute of Physics Publishing Ltd), "Bristol ; London" (Regno Unito)
(literal)

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Pasquale Orgiani; Chen, Ke; Cui, Yi; Li, Qi; Ferrando, V.; Putti, M.; Iavarone, M.; Di Capua, R.; Ciancio, R.; Vaglio, R.; Maritato, L.; Xi, X. X. (literal)

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CNR-INFM Coherentia and Department of Mathematics and Informatics, University of Salerno, I-84081 Baronissi (SA), Italy; Department of Physics, Pennsylvania State University, University Park, PA 16802, USA; CNR-INFM-LAMIA and Department of Physics, University of Genova, I-16146 Genova, Italy; Applied Superconductivity Center, National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL 32310, USA; Materials Science Division, Argonne National Laboratory, Argonne, IL 60439, USA; Health Sciences Department (S.pe.S), University of Molise, I-86100 Campobasso, Italy; CNR-INFM Coherentia and Department of Physics, University of Napoli, I-80125 Napoli, Italy; CNR-INFM National Laboratory TASC, I-84081 Basovizza (TS), Italy; Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA 16802, USA (literal)

Titolo

Abstract

We report on superconducting magnesium diboride MgB(2) thin films grown on both YSZ and MgO substrates, with two different orientations, namely [110] and [211]. MgB(2) off-axis growth mode (namely, with the c-axis tilted with respect to the film surface's normal) is achievable on these substrates. Depending on the type and orientation of the substrate, tilting angle can be varied. As a consequence of tilted growth, anisotropic transport properties are observed. In very thin films, resistance measurements provide an estimate of the resistivity anisotropic ratio rho(c)/rho(ab), where rho(c) is the resistivity along the c axis and rho(ab) is the in-plane resistivity. All these findings clearly demonstrate that tilted MgB(2) films offer new exciting possibilities to both investigate intrinsic fundamental properties of MgB(2) and to explore possible applications in planar superconducting devices (literal)

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