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Here we consider an interplay between the topology of the magnetization texture (which is a topological soliton, or Skyrmion) in a planar magnetic nano-element and the topology of the element itself (its connectivity). We establish the…

Mesoscale and Nanoscale Physics · Physics 2017-01-11 Andrei B. Bogatyrëv , Konstantin L. Metlov

Fe-based metallic glasses are promising functional materials for advanced magnetism and sensor fields. Tailoring magnetic performance in amorphous materials requires a thorough knowledge of the correlation between structural disorder and…

Nanoscale topologically non-trivial magnetization configurations generate significant interest due to both the fundamental properties of their knotted structures and their potential applications in ultra-efficient computing devices. While…

We report on the structural and magnetic properties of single and double atomic layers of Mn on a clean and unreconstructed Nb(110) substrate. Low-temperature scanning tunneling spectroscopy measurements reveal a proximity-induced…

Magnetic remote actuation of soft materials is attractive for applications such as transforming materials and medical robots. However, due to manufacturing limitations, microscale magnetoactive devices are scarce -- light-based additive…

Soft Condensed Matter · Physics 2026-05-13 Rachel M. Sun , Andrew Y. Chen , Yiming Ji , Eric M. Stewart , Daryl W. Yee , Carlos M. Portela

The relation of the magnetically dead layer and structural defects in ultrafine interacting NiFe2O4 nanoparticles (<d> = 4 nm) have been investigated using transmission electron microscopy, X-ray diffraction, ^57Fe M\"ossbauer spectroscopy,…

Herein, some magnetic nanoparticles (MNP)/clay/polymer nanocomposites have been prepared, whose saturation magnetization is higher than that of pure oleic acid coated MNP component. The existence of unique 'nano-network' structure and tight…

Materials Science · Physics 2012-06-14 Yang Liu , Makoto Takafuji , Hirotaka Ihara , Takeshi Wakiya

We employ density functional theory to study in detail the crystallization of super-paramagnetic particles in two dimensions under the influence of an external magnetic field that lies perpendicular to the confining plane. The field induces…

Soft Condensed Matter · Physics 2009-11-13 Sven van Teeffelen , Hartmut Löwen , Christos N. Likos

In order to explain and predict the properties of many physical systems, it is essential to understand the interplay of different energy-scales. Here we present investigations of the magnetic order in thermalised artificial spin ice…

We present a review of recent advances in the study of many-body effects in magnetic nanoparticles. Considering classical spins on a lattice coupled by the exchange interaction in the presence of the bulk and surface anisotropy, we…

Statistical Mechanics · Physics 2016-08-31 H. Kachkachi , D. A. Garanin

The rise of graphene marks the advent of two-dimensional atomic crystals, which have exhibited a cornucopia of intriguing properties, such as the integer and fractional quantum Hall effects, valley Hall effect, charge density waves and…

Mesoscale and Nanoscale Physics · Physics 2017-08-09 Jingjing Niu , Qingqing Ji , Baomin Yan , Mingqiang Li , Peng Gao , Zhongfan Liu , Yanfeng Zhang , Dapeng Yu , Xiaosong Wu

VOCl and other transition metal oxychlorides are candidate materials for next-generation rechargeable batteries. We have investigated the influence of the underlying magnetic order on the crystallographic and electronic structure by means…

Materials Science · Physics 2019-09-04 Marcus Ekholm , Andreas Schönleber , Sander van Smaalen

We show that the curvature of nanomagnets can be used to induce chiral textures in the magnetization field. Among the phenomena related to the interplay between geometry and magnetic behavior at nanomagnets, an effective curvature-induced…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 Smiljan Vojkovic , Vagson L. Carvalho-Santos , Jakson M. Fonseca , Alvaro S. Nunez

Magnetic nanoparticles (MNPs) have been proposed as an ultimate solution for diverse applications including nanomedicine and logic devices over decades. However, none has emerged revolutionary because realizing their magnetization response…

Applied Physics · Physics 2020-02-19 Mohammad Reza Zamani Kouhpanji , Pieter B Visscher , Bethanie J H Stadler

We show that in superlattices with alternating superconducting (S) and ferromagnetic (F) layers the spontaneous magnetic field induced in the superconducting layers due to the electromagnetic proximity effect becomes dramatically enhanced…

Superconductivity · Physics 2022-03-25 A. V. Putilov , S. V. Mironov , A. S. Mel'nikov , A. I. Buzdin

The coupling of ferroelectricity and magnetic order provides rich tunability for engineering material properties and demonstrates great potential for uncovering novel quantum phenomena and multifunctional devices. Here, we report…

Controlling the crystal structure is a powerful approach for manipulating the fundamental properties of solids. Unique to two-dimensional (2D) van der Waals materials, the control can be achieved by modifying the stacking order through…

Mesoscale and Nanoscale Physics · Physics 2019-11-27 Weijong Chen , Zeyuan Sun , Lehua Gu , Xiaodong Xu , Shiwei Wu , Chunlei Gao

Starting from essentially flat nanometer-thick Fe films, epitaxially grown at room temperature on W(110) surfaces, we used carefully tuned annealing schedules to produce periodic arrays of nanoscale ferromagnetic wires. The structural…

Materials Science · Physics 2007-11-16 Nicolas Rougemaille , Andreas K. Schmid

We report the nature of magnetic structure, microscopic spin-spin correlations and their dependence on the underlying crystal structure of the geometrically frustrated layered spin-3/2 maple-leaf-lattice (MLL) antiferromagnet Na2Mn3O7 by a…

Strongly Correlated Electrons · Physics 2023-02-21 B. Saha , A. K. Bera , S. M. Yusuf , A. Hoser

Long-range ordering is typically associated with a decrease in entropy. Yet, it can also be driven by increasing entropy in certain special cases. We demonstrate that artificial spin ice arrays of single-domain nanomagnets can be designed…