Hybrid superconducting heterostructures with magnetic interlayers
Journal article, 2021

Electron transport processes in oxide superconducting heterostructures with epitaxially grown magnetic thin-film interlayers, in which the interaction of superconducting correlations and magnetic ordering occurs due to superconducting and magnetic proximity effects, have been studied experimentally. Hybrid mesa-heterostructures were prepared from thin-film bottom cuprate superconductor (S), magnetic (M) interlayer made of manganite or an antiferromagnetic cuprate, and the upper electrode made from an ordinary superconductor. When the cuprate antiferromagnetic material was replaced by a ferromagnetic manganite interlayer, the superconducting current was suppressed, although the thin magnetic film was several times thinner, 5 nm, and the temperature was lowered to 0.3 K. At low temperatures dependences of differential resistance vs. voltage for mesa-heterostructures with manganite interlayer featured mini-gap low-energy states.

Differential conductivity

Manganites

Thin films

Cuprates

Superconducting heterostructures

Exchange energy

Author

K. Y. Constantinian

National Research University of Electronic Technology (MIET)

Gennady Ovsyannikov

National Research University of Electronic Technology (MIET)

Yulii V. Kislinski

National Research University of Electronic Technology (MIET)

A. M. Petrzhik

National Research University of Electronic Technology (MIET)

A. V. Shadrin

Moscow Institute of Physics and Technology

Alexei Kalaboukhov

Chalmers, Microtechnology and Nanoscience (MC2), Quantum Device Physics

Radioelektronika, Nanosistemy, Informacionnye Tehnologii

22183000 (ISSN) 24141267 (eISSN)

Vol. 13 4 471-478

Subject Categories

Inorganic Chemistry

Materials Chemistry

Condensed Matter Physics

DOI

10.17725/rensit.2021.13.471

More information

Latest update

7/5/2024 1