[HTML][HTML] Topological foundations of ferroelectricity

IA Lukyanchuk, AG Razumnaya, S Kondovych… - Physics Reports, 2025 - Elsevier
The 21st century has witnessed a revolutionary shift in the understanding of properties of
matter driven by the application of topological principles. While the traditional approach to …

Magnetostatic interaction between Bloch point nanospheres

C Zambrano-Rabanal, B Valderrama, F Tejo… - Scientific Reports, 2023 - nature.com
Three-dimensional topological textures have become a topic of intense interest in recent
years. This work uses analytical and numerical calculations to determine the magnetostatic …

Nucleation and stability of toron chains in non-centrosymmetric magnetic nanowires

S Castillo-Sepúlveda, RM Corona, E Saavedra… - Nanomaterials, 2023 - mdpi.com
This work analyzes the magnetic configurations of cylindrical nanowires with a bulk
Dzyaloshinskii–Moriya interaction and easy-plane anisotropy. We show that this system …

Artificial Neuron Based on the Bloch-Point Domain Wall in Ferromagnetic Nanowires

C Sánchez, D Caso, FG Aliev - Materials, 2024 - mdpi.com
Nanomagnetism and spintronics are currently active areas of research, with one of the main
goals being the creation of low-energy-consuming magnetic memories based on …

Symmetry Breaking-Induced Resonance Dynamics in Bloch Point Nanospheres: Unveiling Magnetic Volume Effects and Geometric Parameters for Advanced …

E Saavedra, F Tejo, N Vidal-Silva… - ACS Applied Materials & …, 2024 - ACS Publications
This study explores the impact of symmetry breaking on the ferromagnetic resonance of
Bloch point (BP) nanospheres. Through standard Fourier analysis, we unveil two distinct …

Stability Enhancement by Zero‐Point Spin Fluctuations: A Quantum Perspective on Bloch Point Topological Singularities

A Tapia, C Saji, A Roldán‐Molina… - Advanced Functional …, 2024 - Wiley Online Library
Bloch points represent singularities within magnetic materials. From a macroscopic
viewpoint, their cores are points where the magnetization vector is undefined, resulting in …

Impact of the helicoidal geometry on the magnetic properties of permalloy nanowires for spintronic applications

P Terruzzi, E Saavedra, J Escrig - Computational Materials Science, 2025 - Elsevier
This study investigates the static and dynamic magnetic properties of helically shaped
permalloy nanowires through micromagnetic simulations. We performed comprehensive …

[HTML][HTML] Stability and Spin Waves of Skyrmion Tubes in Curved FeGe Nanowires

MA Garrido-Tamayo, E Saavedra, C Saji, U Guevara… - Nanomaterials, 2024 - mdpi.com
In this work, we investigate the influence of curvature on the dynamic susceptibility in FeGe
nanowires, both curved and straight, hosting a skyrmionic tube texture under the action of an …

Micromagnetic study of the dynamics of toron chains

E Saavedra, RM Corona, S Castillo-Sepúlveda… - Applied Physics …, 2024 - pubs.aip.org
This work analyzes the nucleation and stabilization of torons in cylindrical nanopillars with
bulk DMI and easy-plane anisotropy. A micromagnetic study reveals the dependence of …

Engineering magnetic chirality in FeGe nanocylinders: Exploring topological states for spintronic applications

E Saavedra, LA Valdez, P Díaz, N Bajales… - Applied Physics …, 2024 - pubs.aip.org
Iron germanide (FeGe) emerges as a promising magnetic alloy for spintronics and high-
density data storage, owing to its distinctive magnetic properties and compatibility with …