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We present the experimental observation of magnetic field line curvature at the surface of a superconducting film by local quantitative magneto-optics. In addition to the knowledge of the full induction field at the superconductor surface…

超导电性 · 物理学 2009-11-07 F. Laviano , D. Botta , A. Chiodoni , R. Gerbaldo , G. Ghigo , L. Gozzelino , E. Mezzetti , .

Spin current and spin torque generation through the spin-orbit interactions in solids, of bulk or interfacial origin, is at the heart of spintronics research. The realization of spin-orbit torque (SOT) driven magnetic dynamics and switching…

介观与纳米尺度物理 · 物理学 2021-03-22 Minh-Hai Nguyen , Chi-Feng Pai

Nanoscale magnetic tunnel junction plays a pivotal role in magnetoresistive random access memories. Successful implementation depends on a simultaneous achievement of low switching current for the magnetization switching by spin-transfer…

应用物理 · 物理学 2018-05-09 K. Watanabe , B. Jinnai , S. Fukami , H. Sato , H. Ohno

Electrical iron silicon steel is the most commonly used soft magnetic material in electrical energy conversion and transmission, and its demand is expected to increase with the need for electrification of the transportation sector and the…

材料科学 · 物理学 2023-02-09 Martin Heller , Nora Leuning , Marlies Reher , Kay Hameyer , Sandra Korte-Kerzel

A misalignment of anisotropic crystallites causes small values of anisotropy and decreases the critical current density of textured polycrystalline superconductors. To relate the crystallite misalignment and out-plane anisotropy, the…

超导电性 · 物理学 2023-07-10 D. M. Gokhfeld , S. V. Semenov , M. I. Petrov , I. V. Nemtsev , D. A. Balaev

Nanoscale magnetic resonance imaging (NanoMRI) is an active area of applied research with potential use in structural biology and quantum engineering. The success of this technological vision hinges on improving the instrument's sensitivity…

The rotational dynamics of magnetic nano particles in rotating magnetic fields in the presence of thermal noise is studied both theoretically and by performing numerical calculations. Kinetic equations for the dynamics of particles with…

流体动力学 · 物理学 2017-03-29 Klaus D. Usadel

Magnetic complex-oxide heterostructures are of keen interest because a wealth of phenomena at the interface of dissimilar materials can give rise to fundamentally new physics and potentially valuable functionalities. Altered magnetization,…

材料科学 · 物理学 2015-09-04 Yaohua Liu , Xianglin Ke

A statistical survey of spectral anisotropy of space plasma turbulence is performed using five years measurements from MMS in the magnetosheath. By measuring the five-point second-order structure functions of the magnetic field, we have for…

空间物理 · 物理学 2020-08-05 Tieyan Wang , Jiansen He , Olga Alexandrova , Malcolm Dunlop , Denise Perrone

The propensity of some materials and multilayers to have a magnetic field dependent resistance, called magnetoresistance, has found commercial applications such as giant magnetoresistance harddisk read heads. But magnetoresistance can also…

介观与纳米尺度物理 · 物理学 2014-12-15 D. P. Leusink , R. G. J. Smits , P. Ngabonziza , X. L. Wang , S. Wiedmann , U. Zeitler , A. Brinkman

Nanometer-scale imaging of magnetization and current density is the key to deciphering the mechanisms behind a variety of new and poorly understood condensed matter phenomena. The recently discovered correlated states hosted in atomically…

介观与纳米尺度物理 · 物理学 2022-02-01 Estefani Marchiori , Lorenzo Ceccarelli , Nicola Rossi , Luca Lorenzelli , Christian L. Degen , Martino Poggio

Fourth order perturbation was applied to study a small variation of the azimuthal angle of spin of fcc structured ferromagnetic thin films with two spin layers. The variation of magnetic energy and the orientation of magnetic easy axis with…

计算物理 · 物理学 2023-01-24 M. S. M. Farhan

The longitudinal nonlinear response plays a crucial role in the nonreciprocal charge transport and may provide a simple electrical means to probe the spin-orbit coupling, magnetic order and polarization states, etc. Here, we report on a…

介观与纳米尺度物理 · 物理学 2025-07-01 Qin Zhang , Xu Chen , Mingbo Dou , M. Ye. Zhuravlev , A. V. Nikolaev , Xianjie Wang , L. L. Tao

Two-dimensional (2D) magnetism in atomically thin van der Waals (vdW) monolayers and heterostructures has attracted significant attention due to its promising potential for next-generation spintronic and quantum technologies. A key factor…

材料科学 · 物理学 2025-08-08 Yusheng Hou , Ruqian Wu

Surface based geometries of microfabricated wires or patterned magnetic films can be used to magnetically trap and manipulate ultracold neutral atoms or Bose-Einstein condensates. We investigate the magnetic properties of such atom chips…

原子物理 · 物理学 2009-11-13 M. Volk , S. Whitlock , B. V. Hall , A. I. Sidorov

Cylindrical magnetic nanowires with large transversal magnetocrystalline anisotropy have been shown to sustain non-trivial magnetic configurations resulting from the interplay of spatial confinement, exchange, and anisotropies. Exploiting…

介观与纳米尺度物理 · 物理学 2021-07-29 I. M. Andersen , D. Wolf , L. A. Rodriguez , A. Lubk , D. Oliveros , C. Bran , T. Niermann , U. K. Rößler , M. Vazquez , C. Gatel , E. Snoeck

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…

介观与纳米尺度物理 · 物理学 2017-10-11 Hidetsugu Shiozawa , Desai Zhang , Michael Eisterer , Paola Ayala , Thomas Pichler , Martha R. McCartney , David J. Smith

The ability to control magnetism with strain offers innovative pathways for the modulation of magnetic domain configurations and for the manipulation of magnetic states in materials on the nanoscale. Although the effect of strain on…

We investigate the diffusive magnetotransport properties of a two-dimensional electron gas residing in a wrinkled nanostructure. The curved geometry of the nanostructure renders an effective inhomogeneous magnetic field which, in turns,…

材料科学 · 物理学 2017-11-27 Ching Hao Chang , Carmine Ortix

Magnetostriction, the anisotropic spatial deformation, is a hallmark of dipolar gases with strong long-range interactions, yet it poses a challenge for in-situ characterization. Here, we observe a magnetostriction crossover from the…

量子气体 · 物理学 2026-04-09 Yifei He , Xin-Yuan Gao , Haoting Zhen , Mithilesh K. Parit , Yangqian Yan , Gyu-Boong Jo