English

BaFe2As2/Fe bilayers with [001]-tilt grain boundary on MgO and SrTiO3 bicrystal substrates

Superconductivity 2013-05-31 v1
Authors: Kazumasa Iida , Silvia Haindl , Fritz Kurth , Jens Haenisch , Ludwig Schulz , Bernhard Holzapfel
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Abstract

Co-doped BaFe2As2 (Ba-122) can be realized on both MgO and SrTiO3 bicrystal substrates with [001]-tilt grain boundary by employing Fe buffer layers. However, an additional spinel (i.e. MgAl2O4) buffer between Fe and SrTiO3 is necessary since an epitaxial, smooth surface of Fe layer can not be grown on bare SrTiO3. Both types of bicrystal films show good crystalline quality.

Keywords

BaFe2As2 Fe buffer layer bicrystal substrates [001]-tilt grain boundary epitaxial growth spinel buffer crystalline quality

Cite

@article{arxiv.1302.6480,
  title  = {BaFe2As2/Fe bilayers with [001]-tilt grain boundary on MgO and SrTiO3 bicrystal substrates},
  author = {Kazumasa Iida and Silvia Haindl and Fritz Kurth and Jens Haenisch and Ludwig Schulz and Bernhard Holzapfel},
  journal= {arXiv preprint arXiv:1302.6480},
  year   = {2013}
}

Comments

Accepted for the ISS2012 Proceedins, a special issue of Physics Procedia

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