Spin Seebeck effect mediated reversal of vortex-Nernst effect in superconductor-ferromagnet bilayers

H Sharma, Z Wen, M Mizuguchi - Scientific Reports, 2023 - nature.com
We report on the observation of sign reversal of vortex-Nernst effect in epitaxial NbN/Fe
bilayers deposited on MgO (001) substrates. Strong coupling between vortex magnetisation …

Investigation of dimensionality in superconducting NbN thin film samples with different thicknesses and NbTiN meander nanowire samples by measuring the upper …

M Nazir, X Yang, H Tian, P Song, Z Wang… - Chinese …, 2020 - iopscience.iop.org
We study superconducting properties of NbN thin film samples with different thicknesses and
an ultra-thin NbTiN meander nanowire sample. For the ultra-thin samples, we found that the …

The 2D–3D crossover and anisotropy of upper critical fields in Nb and NbN superconducting thin films

LM Joshi, A Verma, PK Rout, M Kaur, A Gupta… - … and its applications, 2017 - Elsevier
The upper critical field (B c 2) of superconducting thin films of Nb (film thickness d= 40 nm)
and NbN (d= 10, 50 and 100 nm) have been measured and analyzed as a function of …

Transport properties of epitaxial films for superconductor NbN and half-metallic Heusler alloy Co2MnSi under high magnetic fields

I Shigeta, T Kubota, Y Sakuraba, S Kimura… - Physica B: Condensed …, 2018 - Elsevier
Transport properties were investigated for epitaxial films of superconductor NbN and half-
metallic Heusler alloy Co 2 MnSi under high magnetic fields up to 17 T. The …

Epitaxial contact Andreev reflection spectroscopy of NbN/Co2FeSi layered devices

I Shigeta, T Kubota, Y Sakuraba, CG Molenaar… - Applied Physics …, 2018 - pubs.aip.org
We investigated the spin polarization P of Co-based Heusler alloy Co 2 FeSi by epitaxial
contact Andreev reflection (ECAR) spectroscopy using epitaxially grown superconductor …

Nb and Nb/Co films: Testing a new approach to determine the Co stray field and its influence on superconducting properties

A Paschoa, JL Gonzalez, EC Passamani - Current Applied Physics, 2020 - Elsevier
Abstract Anisotropic Ginzburg-Landau model was systematically tested in Nbt Nb and Nbt
Nb/Cu5nm/Co40nm (t Nb= 20 and 100 nm) films. A Δ T C-parameter was defined as a …

[HTML][HTML] Superconducting fluctuation effect on epitaxially layered films of superconductor NbN and half-metallic Heusler alloy Co2MnSi

I Shigeta, S Oku, T Kubota, S Kimura, T Seki… - AIP Advances, 2023 - pubs.aip.org
Superconducting properties were investigated in epitaxially layered films consisting of
superconductor NbN and half-metallic Heusler alloy Co 2 MnSi (CMS). Temperature …

Fabrication and characterization of epitaxial films of superconductor NbN and highly spin-polarized Heusler alloy Co2Fe0. 4Mn0. 6Si

I Shigeta, T Kubota, K Makise, S Kimura… - IEEE Magnetics …, 2017 - ieeexplore.ieee.org
We report structural, magnetic, and transport properties of epitaxial films of superconductor
NbN and highly spin-polarized Heusler alloy Co 2 Fe 0.4 Mn 0.6 Si (CFMS). The saturation …

Electrical and spin switching effects in high-temperature superconducting devices

A Lagarrigue - 2023 - theses.hal.science
This thesis focuses on the study of devices based on high-temperature superconducting
oxides, in which a switching behavior is produced by exploiting either electric fields in …

Magnetic memory effect in type-II superconductor/ferromagnet bilayers

SL Prischepa, MY Kupriyanov, C Cirillo… - Superconductor …, 2014 - iopscience.iop.org
We study the temperature dependence of the critical current density, $ J_ {{\rm c}}^{{\rm
S}/{\rm F}}(T) $, of a Nb/PdNi (PdNi= Pd 84 Ni 16) bilayer before and after the application of …