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Related papers: Creating currents of electric bubbles

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Recent works on electric bubbles (including the experimental demonstration of electric skyrmions) constitute a breakthrough akin to the discovery of magnetic skyrmions some 15 years ago. So far research has focused on obtaining and…

Materials Science · Physics 2024-07-16 Hugo Aramberri , Jorge Íñiguez-González

Polar bubble domains are complex topological defects akin to magnetic skyrmions that can spontaneously form in ferroelectric thin films and superlattices. They can be deterministically written and deleted and exhibit a set of properties,…

Materials Science · Physics 2023-03-27 S. Prokhorenko , Y. Nahas , Q. Zhang , V. Govinden , N. Valanoor , L. Bellaiche

Soap bubbles form when blowing air through a suspended thin film of soapy water and this phenomenon entertains children and adults alike. The formation of soap bubbles from thin films is accompanied by topological transitions, and thus the…

Recent experiments have shown that magnetic skyrmion bubbles can be generated and injected at room temperature in thin films [W. Jiang et al, Science vol. 349, 283 (2015)]. Here, we demonstrate, using micromagnetic modeling, that such…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 Olle Heinonen , Wanjun Jiang , Hamoud Somaily , Suzanne G. E. te Velthuis , Axel Hoffmann

Magnetization dynamics driven by an electric field could provide long-term benefits to information technologies because of its ultralow power consumption. Meanwhile, the Dzyaloshinskii-Moriya interaction in interfacially asymmetric…

Mesoscale and Nanoscale Physics · Physics 2019-01-23 Chuang Ma , Xichao Zhang , Jing Xia , Motohiko Ezawa , Wanjun Jiang , Teruo Ono , S. N. Piramanayagam , Akimitsu Morisako , Yan Zhou , Xiaoxi Liu

Brownian computing exploits thermal motion of discrete signal carriers (tokens) for computations. In this paper we address two major challenges that hinder competitive realizations of circuits and application of Brownian token-based…

Mesoscale and Nanoscale Physics · Physics 2021-09-30 Maarten A. Brems , Mathias Kläui , Peter Virnau

Room-temperature polar skyrmion bubbles that are recently found in oxide superlattice, have received enormous interests for their potential applications in nanoelectronics due to the nanometer size, emergent chirality, and negative…

The problem of bubble domain generation is revisited from a new perspective that was opened by recent findings in the field of physics of magnetic skyrmions. The single bubble domain can be generated under the tip electrode touching the…

Strongly Correlated Electrons · Physics 2017-07-25 D. P. Kulikova , A. P. Pyatakov , E. P. Nikolaeva , A. S. Sergeev , T. B. Kosykh , Z. A. Pyatakova , A. V. Nikolaev , A. K. Zvezdin

Magnetic skyrmions are textures behaving as quasiparticles which are topologically different from other states. Their discovery in systems with broken inversion symmetry sparked the search for materials containing such magnetic phase at…

Magnetic skyrmions are topological magnetic textures that hold great promise as nanoscale bits of information in memory and logic devices. Although room-temperature ferromagnetic skyrmions and their current-induced manipulation have been…

Magnetic skyrmions are localized topological excitations that behave as particles and can be mobile, with great potential for novel data storage devices. In this work, the current-induced dynamics of large skyrmion bubbles is studied. When…

Nanoscale magnetic skyrmions are considered as potential information carriers for future spintronics memory and logic devices. Such applications will require the control of their local creation and annihilation, which involves so far…

Materials Science · Physics 2017-06-07 M. Schott , A. Bernand-Mantel , L. Ranno , S. Pizzini , J. Vogel , H. Béa , C. Baraduc , S. Auffret , G. Gaudin , D. Givord

Magnetic skyrmions are mesmerizing spin textures with peculiar topological and dynamical properties, typically the product of competing interactions in ferromagnets, and with great technological potential [1-5]. Researchers have long…

Since the experimental discovery of magnetic skyrmions achieved one decade ago, there have been significant efforts to bring the virtual particles into all-electrical fully functional devices, inspired by their fascinating physical and…

Magnetic skyrmions are nanoscale windings of the spin configuration that hold great promise for technology due to their topology-related properties and extremely reduced sizes. After the recent observation at room temperature of sub-100 nm…

Magnetic skyrmions are nanoscale spin whirlpools that promise breakthroughs in future spintronic applications. Controlled generation of magnetic skyrmions by electric current is crucial for this purpose. While previous studies have…

Materials Science · Physics 2022-11-29 Xuebing Zhao , Jin Tang , Ke Pei , Weiwei Wang , Shi-Zeng Lin , Haifeng Du , Mingliang Tian , Renchao Che

We study the dynamical control of a magnetic skyrmion bubble by using counter-propagating surface acoustic waves (SAWs) in a ferromagnet. First, we determine the bubble mass and derive the force due to SAWs acting on a magnetic bubble using…

Mesoscale and Nanoscale Physics · Physics 2018-03-19 Rabindra Nepal , Utkan Güngördü , Alexey A. Kovalev

We report dynamics of skyrmion bubbles driven by spin-transfer torque in achiral ferromagnetic nanostripes using micromagnetic simulations. In a three-dimensional uniaxial ferromagnet with a quality factor that is smaller than 1, the…

Materials Science · Physics 2022-05-10 Yaodong Wu , Jialiang Jiang , Jin Tang

We perform real-time hydrodynamical simulations of the growth of bubbles formed during cosmological first-order phase transitions under the assumption of local thermal equilibrium. We confirm that pure hydrodynamic backreaction can lead to…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-08 Tomasz Krajewski , Marek Lewicki , Mateusz Zych

Magnetic skyrmions are compact chiral spin textures that exhibit a rich variety of topological phenomena and hold potential for developing high-density memory devices and novel computing schemes driven by spin currents. Here, we demonstrate…

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