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Related papers: Theory of magnetic domains in uniaxial thin films

200 papers

The dynamics of magnetic domain walls along ferromagnetic strips with spatially modulated perpendicular magnetic anisotropy is theoretically studied by means of micromagnetic simulations. Ferromagnetic layers with a periodic sawtooth…

Materials Science · Physics 2018-06-19 Luis Sánchez-Tejerina , Óscar Alejos , Víctor Raposo , Eduardo Martínez

Magnetic domain walls in thin films can be well analyzed using polarized neutron reflectometry. Well defined streaks in the off-specular spin-flip scattering maps are explained by neutron refraction at perpendicular N\'{e}el walls. The…

Materials Science · Physics 2007-05-23 F. Radu , V. Leiner , K. Westerholt , H. Zabel , J. McCord , A. Vorobiev , J. Major , D. Jullien , H. Humblot , F. Tasset

Optimizing magnetic thin films for nanotechnologies often requires imaging nanoscale magnetic domain patterns via magnetic microscopy. The finite size of the image may however significantly affect the characterization of the observed…

Mesoscale and Nanoscale Physics · Physics 2023-01-31 Michael Vaka , Joey Ray , Misael Campos , Karine Chesnel

We investigate MCA of CoFe(011) thin films as a function of strength of strain and film thickness has been studied. It is elucidated that perpendicular magnetocystalline anisotropy (MCA) energy (EMCA) is getting stronger with compressed…

Materials Science · Physics 2019-06-24 Eunsung Jekal , Phuong Dao

FeNi films with the stripe domain (SD) pattern are prepared by electrodeposition and sputtering methods. The magnetic domain, static magnetic parameters, and quality factor, as well as dynamic properties of the two films, are respectively…

Two-dimensional magnetic garnets exhibit complex and fascinating magnetic domain structures, like stripes, labyrinths, cells and mixed states of stripes and cells. These patterns do change in a reversible way when the intensity of an…

Statistical Mechanics · Physics 2009-11-07 J. R. Iglesias , S. Goncalves , O. Nagel , M. Kiwi

We study the magnetic properties of perpendicularly magnetised Pt/Co/Ir thin films and investigate the domain wall creep method of determining the interfacial Dzyaloshinskii-Moriya (DM) interaction in ultra-thin films. Measurements of the…

Mesoscale and Nanoscale Physics · Physics 2018-04-20 Philippa M. Shepley , Harry Tunnicliffe , Kowsar Shahbazi , Gavin Burnell , Thomas A. Moore

We investigate the structure of magnetic domain walls in a classical double exchange ferromagnet, evaluating domain wall energies and charges. Three different cases are studied: (i) a conventional smooth Bloch wall, (ii) an abrupt…

Strongly Correlated Electrons · Physics 2008-11-26 D. I. Golosov

We study cubic ferroelectrics films that become uniaxial with a polar axis perpendicular to the film because of a misfit strain due to a substrate. The main present result is the analytical account for the elastic anisotropy as well as the…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 A. M. Bratkovsky , A. P. Levanyuk

We present a line-based model of transverse domain walls in thin magnetic strips, to study the effect of bulk disorder on the domain wall dynamics within the thermally activated creep regime. The creep velocity is found to exhibit a…

Materials Science · Physics 2015-05-14 Lasse Laurson , Adil Mughal , Gianfranco Durin , Stefano Zapperi

We demonstrate the evolution of the micro-patterned magnetic domains in CoPd thin films pretreated with e-beam lithography and O2 plasma. During the days-long oxidation, significantly different behaviors of the patterned magnetic domains…

Materials Science · Physics 2021-11-11 Wei-Hsiang Wang , Chak-Ming Liu , Tzu-Hung Chuang , Der-Hsin Wei , Wen-Chin Lin , Pei-hsun Jiang

A statistical theory of the strip domain structure excited in a bubble film by an oscillating magnetic field is developed. The theory is based on the consideration of the strip domain structure as a thermodynamic system characterized by the…

Condensed Matter · Physics 2009-11-10 E. S. Denisova

We report on magnetic domain wall velocity measurements in ultrathin Pt/Co(0.5-0.8 nm)/Pt films with perpendicular anisotropy over a large range of applied magnetic fields. The complete velocity-field characteristics are obtained, enabling…

Materials Science · Physics 2007-12-13 P. J. Metaxas , J. P. Jamet , A. Mougin , M. Cormier , J. Ferre , V. Baltz , B. Rodmacq , B. Dieny , R. L. Stamps

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 measure the magnetic susceptibility of ultrathin Co films with an in-plane uniaxial magnetic anisotropy grown on a vicinal Cu substrate. Above the Curie temperature the influence of the magnetic anisotropy can be investigated by means of…

Strongly Correlated Electrons · Physics 2009-11-10 P. J. Jensen , S. Knappmann , W. Wulfhekel , H. P. Oepen

The concertina is a magnetization pattern in elongated thin-film elements of a soft material. It is a ubiquitous domain pattern that occurs in the process of magnetization reversal in direction of the long axis of the small element. Van den…

Materials Science · Physics 2013-05-30 Jutta Steiner , Holm Wieczoreck , Rudolf Schäfer , Jeffrey McCord , Felix Otto

The elastic interaction between kinks (and antikinks) within domain walls plays a pivotal role in shaping the domain structure, and their dynamics. In bulk materials, kinks interact as elastic monopoles, dependent on the distance between…

Mesoscale and Nanoscale Physics · Physics 2024-11-04 John J R Scott , Guangming Lu , Brian J. Rodriguez , Ian MacLaren , Ekhard K. H. Salje , Miryam Arredondo

The magnetoresistance (MR) associated with domain boundaries has been investigated in microfabricated bcc Fe (0.65 to 20 $\mu$m linewidth) wires with controlled stripe domains. Domain configurations have been characterized using magnetic…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 A. D. Kent , U. Ruediger , J. Yu , S. Zhang , P. M. Levy , Y. Zhong , S. S. P. Parkin

Crystal and domain structures of tensile-strained BiFeO3 films grown on orthorhombic (110)o PrScO3 substrates were investigated. All films possess a MB-type monoclinic structure with 109o stripe domains oriented along the [\=i10]o…

Materials Science · Physics 2013-09-04 Zuhuang Chen , Yajun Qi , Lu You , Ping Yang , C. W. Huang , Junling Wang , Thirumany Sritharan , Lang Chen

We use magnetic force microscopy (MFM) to study spatial uniformity of magnetization of epitaxially grown MnBi2Te4 thin films. Compared to films which exhibit no quantum anomalous Hall effect (QAH), films with QAH are observed to have more…