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Related papers: Frustration Driven Stripe Domain Formation in Co/P…

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We show that the coupling between two ferromagnetic layers separated by a nonmagnetic spacer can be used to control the depinning of domain walls and induce unidirectional domain wall propagation. We investigated CoFeB/Ti/CoFeB trilayers…

Mesoscale and Nanoscale Physics · Physics 2020-11-24 Mark C. H. de Jong , Can Onur Avci , Aleš Hrabec , Pietro Gambardella

Beautiful theories of magnetic hysteresis based on random microscopic disorder have been developed over the past ten years. Our goal was to directly compare these theories with precise experiments. We first developed and then applied…

We conduct a comprehensive density functional theory (DFT) study to explore the intricate magnetic properties of frustrated Mn monolayer on the Ag(111) surface. Spin-polarized scanning tunneling microscopy demonstrates that a N\'eel…

Materials Science · Physics 2024-12-23 Selcuk Sözeri , Nihad Abuawwad , Amal Aldarawsheh , Samir Lounis

The majority of stars are in binary/multiple systems. How such systems form in turbulent, magnetized cores of molecular clouds in the presence of non-ideal MHD effects remains relatively under-explored. Through ATHENA++-based non-ideal MHD…

Solar and Stellar Astrophysics · Physics 2025-07-11 Yisheng Tu , Zhi-Yun Li , Zhaohuan Zhu , Chun-Yen Hsu

It is well-known that in thin ferromagnetic film with a net magnetization perpendicular to the film the collinear arrangement of spins is unstable in an in-plane field $H$ smaller than its saturation value $H_c$. Existence of a stripe phase…

Strongly Correlated Electrons · Physics 2009-05-04 A. V. Syromyatnikov

Recent research on CoPd alloys with perpendicular magnetic anisotropy (PMA) has suggested that they might be useful as the pinning layer in CoFeB/MgO-based perpendicular magnetic tunnel junctions (pMTJ's) for various spintronic applications…

Materials Science · Physics 2019-03-12 Joseph. B. Abugri , Billy D. Clark , P. B. Visscher , Jie Gong , Subhadra Gupta

A detailed numerical analysis of the magnetization reversal processes in multisegmented nanowire arrays was developed. The nanowires have a long aspect ratio and are formed by magnetic and non-magnetic sections alternately arranged in such…

Mesoscale and Nanoscale Physics · Physics 2015-07-09 E. A. Rando , S. Allende

We propose a short overview of a few selected issues of magnetism in reduced dimensions, which are the most relevant to set the background for more specialized contributions to the present Special Issue. Magnetic anisotropy in reduced…

Other Condensed Matter · Physics 2016-08-16 Olivier Fruchart , André Thiaville

We use spin-torque resonance to probe simultaneously and separately the dynamics of a magnetic domain wall and of magnetic domains in a nanostripe magnetic tunnel junction. Thanks to the large associated resistance variations we are able to…

We experimentally study the structure and dynamics of magnetic domains in synthetic antiferromagnets based on Co/Ru/Co films. Dramatic effects arise from the interaction among the topological defects comprising the dual domain walls in…

Mesoscale and Nanoscale Physics · Physics 2018-10-30 A. G. Kolesnikov , V. S. Plotnikov , E. V. Pustovalov , A. S. Samardak , L. A. Chebotkevich , A. V. Ognev , Oleg A. Tretiakov

Extremely strong magnetic fields change the vacuum index of refraction. Although this polarization dependent effect is small for typical neutron stars, it is large enough to decouple the polarization states of photons traveling within the…

Astrophysics · Physics 2009-10-31 Jeremy S. Heyl , Nir J. Shaviv

The influence of magnetic anisotropy on nanosecond magnetization reversal in coupled FeNi/Cu/Co trilayers was studied using a photoelectron emission microscope combined with x-ray magnetic circular dicroism. In quasi-isotropic samples the…

Electric-field control of magnetism via inverse magnetostrictive effect is an efficient path towards improving energy-efficient storage and sensing devices based on giant magnetoresistance effect. In this letter, we report on lateral…

Materials Science · Physics 2023-02-16 Vadym Iurchuk , Julien Bran , Manuel Acosta , Bohdan Kundys

Many unusual behaviors in complex oxides are deeply associated with the spontaneous emergence of microscopic phase separation. Depending on the underlying mechanism, the competing phases can form ordered or random patterns at vastly…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Keji Lai , Masao Nakamura , Worasom Kundhikanjana , Masashi Kawasaki , Yoshinori Tokura , Michael A. Kelly , Zhi-Xun Shen

I show that a model for the interaction of magnetic domains that includes a short range ferromagnetic and a long range dipolar anti-ferromagnetic interaction reproduces very well many characteristic features of two-dimensional magnetic…

Statistical Mechanics · Physics 2009-11-10 E. A. Jagla

The magnetic microstructure and domain wall distribution of antiferromagnetic $\alpha$-Fe$_2$O$_3$ epitaxial layers is determined by statistical image analyses. Using dichroic spectro-microscopy images, we demonstrate that the domain…

Materials Science · Physics 2011-03-14 Odile Bezencenet , Daniel Bonamy , Rachid Belkhou , Philippe Ohresser , Antoine Barbier

We consider a multidomain superconductor/ferromagnet (SF) structure with an in-plane magnetization, assuming that the neighboring domains are separated by the Neel domain walls. We show that an odd triplet long-range component arises in the…

Superconductivity · Physics 2007-05-23 A. F. Volkov , Ya. V. Fominov , K. B. Efetov

Two dimensional magnetic films with perpendicular magnetization spontaneously form magnetic domain patterns that evolve or undergo symmetry transformations as a function of temperature. When the system is driven from equilibrium by a rapid…

Materials Science · Physics 2018-08-08 N. Abu-Libdeh , D. Venus

Spin-polarized low-energy electron microscopy was used to image a magnetite crystal with (100) surface orientation. Sets of spin-dependent images of magnetic domain patterns observed in this surface were used to map the direction of the…

Materials Science · Physics 2013-11-11 Juan de la Figuera , Lucía Vergara , Alpha T. N'Diaye , Adrian Quesada , Andreas K. Schmid

Time-resolved pump-probe soft X-ray ptychography and Scanning Transmission X-ray Microscopy (STXM) were employed to study the magnetic domain wall dynamics in microstructures of permalloy (Ni$_{81}$Fe$_{19}$; Py) with a weak growth-induced…

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