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We examine the interplay between anisotropy of the in-plane magnetization and the nodal gap structure on the basis of the approximate analytic solution in the quasiclassical formalism. We show that a four-fold oscillation appears in the…

Superconductivity · Physics 2009-11-10 Hiroaki Kusunose

We investigate the magneto-conductance (MC) anisotropy in the variable range hopping regime, caused by quantum interference effects in three dimensions. When no spin-orbit scattering is included, there is an increase in the localization…

Condensed Matter · Physics 2009-10-28 Ernesto Medina , Mehran Kardar , Rafael Rangel

The magneto-electric (ME) coupling on spin-wave resonances in single-crystal Cu2OSeO3 was studied by a novel technique using electron spin resonance combined with electric field modulation. An external electric field E induces a magnetic…

Strongly Correlated Electrons · Physics 2015-06-04 A. Maisuradze , A. Shengelaya , H. Berger , D. M. Djokić , H. Keller

A study of nonreciprocal transverse-spin angular-momentum-density shifts for evanescent waves in magneto-optic waveguide media is presented. Their functional relation to electromagnetic spin- and orbital-momenta is presented and analyzed.…

Optics · Physics 2016-07-05 Miguel Levy , Dolendra Karki

The width of the magnetic hysteresis loop is often correlated with the material's magnetocrystalline anisotropy constant $\kappa_1$. Traditionally, a common approach to reduce the hysteresis width has been to develop alloys with $\kappa_1$…

Materials Science · Physics 2025-04-14 Hongyi Guan , Negar Ahani , Carlos J. García-Cervera , Ananya Renuka Balakrishna

We present a novel method for measuring the modulation of magnetic anisotropy and the strength of spin-orbit interaction by an electrical current in nanomagnets. Our systematic study explores the current dependencies of these properties…

Mesoscale and Nanoscale Physics · Physics 2024-11-11 Vadym Zayets

We have synthesized nanoscale magnetic compasses with high yield. These ferromagnetic iron carbide nano-particles, which are encapsulated in a pair of parallel carbon needles, change their direction in response to an external magnetic…

Mesoscale and Nanoscale Physics · Physics 2017-10-11 Hidetsugu Shiozawa , Desai Zhang , Michael Eisterer , Paola Ayala , Thomas Pichler , Martha R. McCartney , David J. Smith

The influence of surface anisotropy on the magnetization processes of maghemite nanoparticles with ellipsoidal shape is studied by means of Monte Carlo simulations. Radial surface anisotropy is found to favor the formation of hedgehog-like…

Materials Science · Physics 2007-05-23 Oscar Iglesias , Amilcar Labarta

We study the coupling mechanism of surface acoustic waves (SAW) with spin waves (SW) using micromagnetic analysis. The SAW magnetoacoustic excitation field is fully implemented, i.e., all strain and lattice-rotation terms are included. A…

Mesoscale and Nanoscale Physics · Physics 2026-04-08 Florian Millo , Pauline Rovillain , Massimiliano Marangolo , Daniel Stoeffler

The properties of quantum systems interacting with their environment, commonly called open quantum systems, can be strongly affected by this interaction. While this can lead to unwanted consequences, such as causing decoherence in qubits…

We calculate the energy of the magnetostatic interaction between two ferromagnetic films with uniform magnetization and correlated interfaces (the "orange-peel" effect). The "orange-peel" coupling is anisotropic: the interaction is…

Mesoscale and Nanoscale Physics · Physics 2018-12-05 M. A. Kuznetsov , O. G. Udalov , A. A. Fraerman

We demonstrate how shape-induced strain can be used to control antiferromagnetic order in NiO/Pt thin films. For rectangular elements patterned along the easy and hard magnetocrystalline anisotropy axes of our film, we observe different…

Magnetic anisotropy is one of the important factors in determining magnetic structures. A type of magnetic anisotropy is closely related to the symmetry of crystals. We theoretically investigate magnetic anisotropy and its related magnetic…

Strongly Correlated Electrons · Physics 2024-05-22 Akane Inda , Satoru Hayami

We study the effect of dipolar interactions on a magnetic striped monolayer with a microscopic unit cell of square symmetry, and of size $(N_x\times N_y)$ spins. Even if the aspect ratio $r=N_x/N_y$ is very large, an in-plane shape…

Condensed Matter · Physics 2007-05-23 Paolo Politi , Maria Gloria Pini

In this paper we study the switching properties of the dynamics of magnetic moments, that interact with an elastic medium. To do so we construct a Hamiltonian framework, that can take into account the dynamics in phase space of the…

Materials Science · Physics 2019-12-30 Thomas Nussle , Pascal Thibaudeau , Stam Nicolis

Dynamic modulation of electromagnetic responses is theoretically examined in dielectric antiferromagnets. While both magneto-electric and magneto-elastic coupling can achieve robust electrical control of magnetic anisotropy, the latter is…

Materials Science · Physics 2023-11-23 Xinyi Xu , Yuriy G. Semenov , Ki Wook Kim

We show that the interaction of the magnetic subsystem of a curved magnet with the magnet curvature results in coupling of a topologically nontrivial magnetization pattern and topology of the object. The mechanism of this coupling is…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Oleksandr V. Pylypovskyi , Volodymyr P. Kravchuk , Denis D. Sheka , Denys Makarov , Oliver G. Schmidt , Yuri Gaididei

In nanocomposite magnetic materials the exchange coupling between phases plays a central role in the determination of the extrinsic magnetic properties of the material: coercive field, remanence magnetization. Exchange coupling is therefore…

Materials Science · Physics 2013-03-12 V. Russier , K. Younsi , L. Bessais

The so-called neutron spin resonance consists of a prominent enhancement of the magnetic response at a particular energy and momentum transfer upon entering the superconducting state of unconventional superconductors. In the case of…

Superconductivity · Physics 2019-06-21 Daniel D. Scherer , Brian M. Andersen

Direction-dependent anisotropic exchange is a common feature of magnetic systems with strong spin-orbit coupling. Here we study the effect of such exchange upon macroscopic magnetic anisotropy for a face-centered-cubic model. By several…

Strongly Correlated Electrons · Physics 2015-07-29 Hiroaki Ishizuka , Leon Balents
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