The inverse proximity effect in strong ferromagnet–superconductor structures

VO Yagovtsev, NA Gusev, NG Pugach… - Superconductor …, 2021 - iopscience.iop.org
The magnetization in a superconductor induced due to the inverse proximity effect is
investigated in hybrid bilayers containing a superconductor and a ferromagnetic insulator or …

Method for reliable realization of a Josephson junction

NG Pugach, E Goldobin, R Kleiner, D Koelle - Physical Review B—Condensed …, 2010 - APS
We propose a method to realize a φ Josephson junction by combining alternating 0 and π
parts (sub junctions) with an intrinsically nonsinusoidal current-phase relation (CPR) …

Ferromagnetic insulator induced inverse proximity effect in superconducting DoS

DV Seleznyov, VO Yagovtsev, NG Pugach… - Journal of Magnetism and …, 2024 - Elsevier
A ferromagnetic insulator proximate with a superconductor induces some spin asymmetry in
superconducting correlations. Density of states (DoS) changes as a result of the induction of …

Effects of anharmonicity of current-phase relation in Josephson junctions

IN Askerzade - Low Temperature Physics, 2015 - pubs.aip.org
The aim of this review is the analysis of dynamical properties of Josephson junctions (JJ)
with anharmonic current-phase relation (CPR). Firstly, discussion of theoretical foundation of …

The effect of normal and insulating layers on 0-π transitions in Josephson junctions with a ferromagnetic barrier

DM Heim, NG Pugach, MY Kupriyanov… - New Journal of …, 2015 - iopscience.iop.org
Using the Usadel approach, we provide a formalism that allows us to calculate the critical
current density of 21 different types of Josephson junctions (JJs) with a ferromagnetic (F) …

Josephson junctions with nonsinusoidal current-phase relations based on heterostructures with a ferromagnetic spacer and their applications

NV Klenov, NG Pugach, AV Sharafiev… - Physics of the Solid …, 2010 - Springer
A detailed review of theories describing the current-phase relations in Josephson junctions
based on heterostructures with ferromagnetic layers is presented. The particular attention …

Density of states in the heterostructure ferromagnetic insulator-superconductor-ferromagnetic insulator

DV Seleznev, SS Seidov, NG Pugach… - … of Superconductivity and …, 2025 - Springer
We consider a spin valve composed of a superconducting film (S) between two
ferromagnetic insulators (FI) on two sides. In the dirty limit, the superconductor is described …

Magnetization induced in a superconductor due to the effect of proximity with a ferromagnetic dielectric

VO Yagovtsev, NG Pugach - Physics of Metals and Metallography, 2020 - Springer
This work investigates the magnetization of a superconductor induced by the proximity effect
in bilayers containing a superconductor and a ferromagnetic insulator using the Green's …

Magnetization in superconductor–ferromagnetic metal bilayers induced by the inverse proximity effect

VO Yagovtsev, NG Pugach, EG Ekomasov… - Physics of Metals and …, 2021 - Springer
Within the Green's function formalism, the magnetization induced by the inverse proximity
effect in bilayers containing a superconductor and a strongly spin-polarized ferromagnetic …

Increase in the critical temperature of the superconducting transition of a hybrid structure upon the magnetization of spiral antiferromagnets

NG Pugach, MO Safonchik - JETP Letters, 2018 - Springer
The spin-valve effect in superconductor hybrid structures based on magnetic materials with
a noncollinear magnetic ordering is described theoretically. It is shown that the following …