English
Related papers

Related papers: Crossover in the Structure Between Bloch and Linea…

200 papers

Ferroelectric domain structures, separated by domain walls, often display unconventional physics and hold significant potential for applications in nano-devices. Most naturally growth domain walls are charge-neutral to avoid increased…

Materials Science · Physics 2024-12-17 Yunfei Hong , Junkai Deng , Yang Yang , Ri He , Zhicheng Zhong , Xiangdong Ding , Jun Sun , Jefferson Zhe Liu

We consider a ferromagnetic nanowire, with an energy functional E with easy-axis in the direction $e_1$, and which takes into account the Dzyaloshinskii-Moriya interaction. We consider configurations of the magnetization which are…

Analysis of PDEs · Mathematics 2025-11-26 Raphaël Côte , Guillaume Ferriere

Magnetic properties of MnAs were studied as a function of temperature with a superconducting interference device (5 K to 350 K), and atomic force microscopy/magnetic force microscopy (20 K to 360 K). Structural and magnetic properties of…

Materials Science · Physics 2007-05-23 M. Cheon , S. Hegde , S. Wang , M. M. Bishara , G. B. Kim , H. Luo

We present a study of the temperature dependence of the switching fields in Co/Ni-based perpendicularly magnetized spin-valves. While magnetization reversal of all-perpendicular Co/Ni spin valves at ambient temperatures is typically marked…

Mesoscale and Nanoscale Physics · Physics 2014-04-29 D. B. Gopman , D. Bedau , S. Mangin , E. E. Fullerton , J. A. Katine , A. D. Kent

Achieving high velocities of magnetic domain walls is a crucial factor for their use as information carriers in modern nanoelectronic applications. In nanomagnetism and spintronics, these velocities are often limited either by internal…

Mesoscale and Nanoscale Physics · Physics 2023-02-27 F. Tejo , J. A. Fernandez-Roldan , K. Y. Guslienko , R. Otxoa , O. Chubykalo-Fesenko

The domain structure in in-plane magnetized Fe/Ni/W(110) films is investigated using spin-polarized low-energy electron microscopy. A novel transition of the domain wall shape from a zigzag-like pattern to straight is observed as a function…

Mesoscale and Nanoscale Physics · Physics 2021-08-26 Gong Chen , MacCallum Robertson , Heeyoung Kwon , Changyeon Won , Andreas K. Schmid , Kai Liu

Dipolar coupling in crystals of the Mn$_{12}$Ac molecular magnet elongated along the anisotropy axis favors ferromagnetic ordering below the mean-field Curie temperature 0.71 K. With the help of Monte Carlo on crystals of up to one million…

Statistical Mechanics · Physics 2016-11-16 D. A. Garanin

The possibility that the apparent room temperature ferromagnetism, often measured in Co-doped ZnO, is due to uncompensated spins at the surface of wurtzite CoO nanoclusters is investigated by means of a combination of density functional…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Ruairi Hanafin , Thomas Archer , Stefano Sanvito

The magnetic properties and the effects of interparticle interaction on it have been studied in nanoparticles of half doped Pr$_{0.5}$Sr$_{0.5}$MnO$_{3}$. Three samples consisting of nanoparticles of different average particle sizes are…

Strongly Correlated Electrons · Physics 2015-05-19 A. K. Pramanik , A. Banerjee

We measured the critical temperatures and critical switching and retrapping currents of wide and narrow thin-film quasi-one-dimensional superconducting aluminum structures of the same thickness in zero magnetic field. For the first time, we…

Superconductivity · Physics 2026-05-01 V. I. Kuznetsov , O. V. Trofimov

Momentum transfer from incoming magnons to a Bloch domain wall is calculated using one dimensional continuum micromagnetic analysis. Due to the confinement of the wall in space, the dispersion relation of magnons is different from that of a…

Mesoscale and Nanoscale Physics · Physics 2018-01-16 D. Wang , Xi-guang Wang , Guang-hua Guo

In this letter we obtain the finite-temperature structure of 180^o domain walls in PbTiO3 using a quasi-harmonic lattice dynamics approach. We obtain the temperature dependence of the atomic structure of domain walls from 0K up to room…

Materials Science · Physics 2015-05-18 Arzhang Angoshtari , Arash Yavari

Spinful superfluids of ultracold atoms are ideal for investigating the intrinsic properties of spin current and texture because they are realized in an isolated, nondissipative system free from impurities, dislocations, and thermal…

Quantum Gases · Physics 2022-02-09 Hiromitsu Takeuchi

Neutron stars are ideal astrophysical laboratories for testing theories of the de Haas-van Alphen (dHvA) effect and diamagnetic phase transition which is associated with magnetic domain formation. The "magnetic interaction" between…

Solar and Stellar Astrophysics · Physics 2016-06-01 Zhaojun Wang , Guoliang Lu , Chunhua Zhu , Baoshan Wu

We consider an antiferromagnet in one space dimension with easy-axis anisotropy in a perpendicular magnetic field. We study propagating domain wall solutions that can have a velocity up to a maximum $v_c$. The width of the domain wall is a…

Mesoscale and Nanoscale Physics · Physics 2025-03-18 George Theodorou , Stavros Komineas

The research on two-dimensional (2D) van der Waals (vdW) ferromagnets has promoted the development of ultrahigh-density and nanoscale data storage. However, intrinsic ferromagnetism in layered magnets is always subject to many factors, such…

Unconventional magnetic materials including non-collinear antiferromagnets, p-wave magnets and altermagnets, are an emerging frontier for quantum spintronics and hybrid quantum devices. Critical to the application of these materials is…

Materials Science · Physics 2025-10-09 Freya Johnson , Jan Zemen , Helena Knowles , Lesley F. Cohen

The magneto-optical technique has been employed to observe spontaneous ferromagnetic domain structures in La0.78Ca0.22MnO3 single crystals. The magnetic domain topology was found to be correlated with the intrinsic twin structure of the…

Strongly Correlated Electrons · Physics 2009-11-11 Grzegorz Jung , Vladimir Markovich , Kees van der Beek , Dmitrii Mogilyansky , Yakov M. Mukovskii

The conditions for the occurrence of pronounced magnetoelectric bistabilities in the resonant tunneling through a ferromagnetic quantum well are theoretically investigated. The bistability appears due to the mutual feedback of the carriers…

Other Condensed Matter · Physics 2008-10-22 Christian Ertler

In this article, the Curie-Weiss type behavior and the appearance of an "interaction" or "ordering" temperature for a collection of magnetic nanoparticles is explored theoretically. We show that some systems where an interaction temperature…

Materials Science · Physics 2024-10-25 Robert E Camley , Rair Macêdo , Karen L Livesey
‹ Prev 1 8 9 10 Next ›