The results of the investigations of high conducting and superconducting areas at the interfaces between ferroelectric oxide and insulating oxide are presented. The numerical simulations of BaTiO3/LaMnO3 and BaTiO3/La2CuO4 heterostructures have been performed. It is found that in the samples of the Ba0.8Sr0.2TiO3/LaMnO3 heterostructure the electrical resistance decreases significantly and exhibits metallic behaviour at low temperatures for the case when the c axis of ferroelectric film is directed along the normal to the surface of the single crystal. The superconducting behaviour with transition temperature Tc about 30K has been found at the interface of the Ba0.8Sr0.2TiO3/La2CuO4 heterostructure. The proposed concept promises the ferroelectrically controlled interface conductivity and superconductivity.
|Journal||IOP Conference Series: Materials Science and Engineering|
|Publication status||Published - 2019 Dec 16|
|Event||Joint 3rd International Conference on Scanning Probe Microscopy, SPM 2019 and 4th Russia-China Workshop on Dielectric and Ferroelectric Materials, RCWDFM 2019, and International Youth Conference on Functional Imaging of Nanomaterials - Ekaterinburg, Russian Federation|
Duration: 2019 Aug 25 → 2019 Aug 28
ASJC Scopus subject areas
- Materials Science(all)