Systematic Study of Superconductivity in Hybrid MBE-grown Sr1-xNdxTiO3 Films

ORAL

Abstract

Ever since the discovery of superconductivity in n-doped SrTiO3 (STO) (1018 – 1021 cm-3), STO has received significant attention. More recently, it has been shown that superconductivity can be stabilized at much lower concentrations (5.5×1017 cm-3) using oxygen-vacancy doped STO raising many questions on the role of dopants and disorder on superconductivity in STO. To-date, these works have been limited to the bulk STO single crystals. In this talk, we will present the first systematic study of superconductivity in epitaxial n-doped Sr1-xNdxTiO3 films grown using hybrid molecular beam epitaxy. We will also discuss the role of dopants, point disorder, and epitaxial strain on the superconductivity and normal state transport in doped STO films.

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Presenters

  • Jin Yue

    Department of Chemical Engineering and Materials Science, University of Minnesota, University of Minnesota

Authors

  • Jin Yue

    Department of Chemical Engineering and Materials Science, University of Minnesota, University of Minnesota

  • Yilikal Ayino

    School of Physics and Astronomy, University of Minnesota, University of Minnesota

  • Laxman Raju Thoutam

    Department of Chemical Engineering and Materials Science, University of Minnesota

  • Vlad Pribiag

    School of Physics and Astronomy, University of Minnesota, University of Minnesota

  • Bharat Jalan

    Chemical Engineering and Materials Science, University of Minnesota - Twin Cities, Department of Chemical Engineering and Materials Science, University of Minnesota, University of Minnesota