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Skyrmions refer to small swirling spin structures that emerge in ferromagnetic materials and show promising features to be used as a `bit' of information in future spintronic devices. Our research explores the possibility of nucleating…

材料科学 · 物理学 2024-12-31 Tamali Mukherjee , Banasree Sadhukhan , V Satya Narayana Murthy

Antiferromagnets are promising materials for future spintronic applications due to their unique properties including zero stray fields, robustness versus external magnetic fields and ultrafast dynamics, which have attracted extensive…

介观与纳米尺度物理 · 物理学 2021-08-18 Xue Liang , Jing Xia , Xichao Zhang , Motohiko Ezawa , Oleg A. Tretiakov , Xiaoxi Liu , Lei Qiu , Guoping Zhao , Yan Zhou

Skyrmions, which are topologically stable magnetic structures, have manifested promising features to be used as an information carrier in new-age, non-volatile data storage devices. In this article, Co/Pt square nano-structure with Co-free…

材料科学 · 物理学 2025-01-23 Tamali Mukherjee , V Satya Narayana Murthy

Skyrmions having topologically protected field configurations with particle-like properties play an important role in {\bl{various fields of science}}. Our present study focus on the generation of skyrmion from spin spiral in the magnetic…

材料科学 · 物理学 2024-12-23 Banasree Sadhukhan

Magnetic skyrmion is a promising building block for developing information storage and computing devices. It can be stabilized in a ferromagnetic thin film with the Dzyaloshinskii-Moriya interaction (DMI). The moving ferromagnetic skyrmion…

介观与纳米尺度物理 · 物理学 2020-01-15 Jing Xia , Xichao Zhang , Motohiko Ezawa , Qiming Shao , Xiaoxi Liu , Yan Zhou

Magnetic skyrmions are nanoscale spin textures touted as next-generation computing elements. When subjected to lateral currents, skyrmions move at considerable speeds. Their topological charge results in an additional transverse deflection…

Magnetic skyrmions have garnered attention for their potential roles in spintronic applications, such as information carriers in computation, data storage, and nano-oscillators due to their small size, topological stability, and the…

介观与纳米尺度物理 · 物理学 2024-05-20 Rajgowrav Cheenikundil , Zhiwei Lu , Manuel Pereiro , Anna Delin , Danny Thonig

Magnetic skyrmions are localized, topologically protected spin-structures that have been proposed for storing or processing information due to their intriguing dynamical and transport properties. Important in terms of applications is the…

材料科学 · 物理学 2016-06-07 B. Dupé , G. Bihlmayer , S. Blügel , S. Heinze

The Skyrmion Hall Effect (SkHE) observed in ferromagnetic (FM) and ferrimagnetic (FI) skyrmions traveling due to a spin-polarized current can be a problematic issue when it comes to technological applications. By investigating the…

介观与纳米尺度物理 · 物理学 2024-05-16 R. C. Silva , R. L. Silva , J. C. Moreira , W. A. Moura-Melo , A. R. Pereira

Magnetic skyrmions, which are topological particle-like excitations in ferromagnets, have attracted a lot of attention recently. Skyrmionics is an attempt to use magnetic skyrmions as information carriers in next generation spintronic…

介观与纳米尺度物理 · 物理学 2015-03-26 Xichao Zhang , Motohiko Ezawa , Yan Zhou

Implementation of skyrmion based energy efficient and high-density data storage devices requires aggressive scaling of skyrmion size. Ferrimagnetic materials are considered to be a suitable platform for this purpose due to their low…

介观与纳米尺度物理 · 物理学 2021-11-29 Md Mahadi Rajib , Walid Al Misba , Dhritiman Bhattacharya , Jayasimha Atulasimha

The evolution of skyrmion crystal encapsulates skyrmion critical behaviors, such as nucleation, deformation and annihilation. Here, we achieve a tunable evolution of artificial skyrmion crystal in nanostructured synthetic antiferromagnet…

Integrating topologically stabilized magnetic textures such as skyrmions as nanoscale information carriers into future technologies requires the reliable control by electric currents. Here, we uncover that the relevant skyrmion Hall effect,…

Controlled movement of nano-scale stable magnetic objects has been proposed as the foundation for a new generation of magnetic storage devices. Magnetic skyrmions, vortex-like spin textures stabilized by their topology are particularly…

Magnetic skyrmions are topologically non-trivial spin structure, and their existence in ferromagnetically coupled multilayers has been reported with disordered arrangement. In these multilayers, the heavy metal spacing layers provide an…

Magnetic skyrmions are promising for next-generation information storage and processing owing to their potential advantages in data storage density, robustness, and energy efficiency. The magnetic multilayers consisting of Pt, Co, and a…

Magnetic skyrmions are promising candidates for the next generation of spintronic devices due to their small size and topologically protected structure. One challenge for using these magnetic states in applications lies on controlling the…

介观与纳米尺度物理 · 物理学 2018-10-19 J. Brandão , D. A. Dugato , R. L. Seeger , J. C. Denardin , T. J. A. Mori , J. C. Cezar

Magnetic skyrmions are nano-sized topologically non-trivial spin textures that can be moved by external stimuli such as spin currents and internal stimuli such as spatial gradients of a material parameter. Since the total energy of a…

介观与纳米尺度物理 · 物理学 2023-11-08 Ismael Ribeiro de Assis , Ingrid Mertig , Börge Göbel

PdFe/Ir(111) has attracted tremendous attention for next-generation spintronics devices due to existence of magnetic skyrmions with the external magnetic field. Our density functional theoretical calculations in combination with spin…

材料科学 · 物理学 2024-07-17 Banasree Sadhukhan , Anders Bergman , Johan Hellsvik , Patrik Thunström , Anna Delin

Magnetic skyrmions in chiral magnets are nanoscale, topologically-protected magnetization swirls that are promising candidates for spintronics memory carriers. Therefore, observing and manipulating the skyrmion state on the surface level of…

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