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The devil's staircase (DS) phenomenon is a fractal response of magnetization to external fields, traditionally observed in periodic ferromagnetic systems, where the commensurability between spin arrangements, lattice parameters, and…

Materials Science · Physics 2025-07-28 Alejandro Lopez-Bezanilla

The nonlinear response to an external electric field is studied for classical non-interacting charged particles under the influence of a uniform magnetic field, a periodic potential, and an effective friction force. We find numerical and…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Jan Wiersig , Kang-Hun Ahn

For the magnetic shape memory effect, knowledge about the interaction between martensitic and magnetic domain structure is essential. In the case of Ni-Mn-Ga bulk material and foils, a staircase-like magnetic domain structure with 90{\deg}-…

Materials Science · Physics 2019-12-23 Anett Diestel , Anja Backen , Volker Neu , Ludwig Schultz , Sebastian Fähler

The discrete circle map is the archetypical example of a driven periodic system, showing a complex resonance structure under a change of the forcing frequency known as the devil's staircase. Adler's equation can be seen as the direct…

In thin magnetic films with strong perpendicular anisotropy and strong demagnetizing field two ordered phases are possible. At low temperatures, perpendicularly oriented magnetic domains form a striped pattern. As temperature is increased…

Materials Science · Physics 2012-12-21 M. C. Ambrose R. L. Stamps

The magnetic domain structure is studied in epitaxial Fe$_{100-x}$Ga$_x$/MgO(001) films with 0 $<$ x $<$ 30 and thicknesses below 60 nm by magnetic force microscopy. For low gallium content, domains with the magnetization lying in the film…

Materials Science · Physics 2019-07-31 Adrián Begué , Maria Grazia Proietti , José I. Arnaudas , Miguel Ciria

Impact of rapid thermal processing (RTP) on microstructure and magnetic properties of Gd-Fe thin films have been investigated with a special emphasis to magnetic microstructure. 100 nm thick amorphous Gd-Fe film shows elongated stripe…

Mesoscale and Nanoscale Physics · Physics 2018-03-28 A. Talapatraa , J. Arout Chelvane , B. Satpati , S. Kumar , J. Mohanty

Domain walls in magnetic multilayered systems can exhibit a very complex and fascinating behavior. For example, the magnetization of thin films of hard magnetic materials is in general perpendicular to the thin-film plane, thanks to the…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 Alessandro Principi , Mikhail I. Katsnelson

We have investigated the relationship between the domain structure and the magnetic interactions in a series of FePt ferromagnetic thin films of varying thickness. As-made films grow in the magnetically soft and chemically disordered A1…

Materials Science · Physics 2014-02-27 N. Álvarez , E. Sallica Leva , R. C. Valente , M. Vásquez Mansilla , J. Gómez , J. Milano , A. Butera

In this work we show the existence of closure domains in Fe$_{1-x}$Ga$_x$ thin films featuring a striped magnetic pattern and study the effect of the magnetic domain arrangement on the magnetotransport properties. By means of X-ray resonant…

Using resonant soft x-ray scattering as a function of both temperature and magnetic field, we reveal a large number of almost degenerate magnetic orders in SrCo6O11. The Ising-like spins in this frustrated material in fact exhibit a…

Strongly Correlated Electrons · Physics 2015-06-12 T. Matsuda , S. Partzsch , T. Tsuyama , E. Schierle , E. Weschke , J. Geck , T. Saito , S. Ishiwata , Y. Tokura , H. Wadati

We report on domain formation and magnetization reversal in epitaxial Fe films on ferroelectric BaTiO3 substrates with ferroelastic a-c stripe domains. The Fe films exhibit biaxial magnetic anisotropy on top of c domains with out-of-plane…

We investigated the low-temperature and high-field thermodynamic and ultrasonic properties of SrCu2(BO3)2, which exhibits various plateaux in its magnetization curve above 27~T, called a magnetic Devil's staircase. The results of the…

The low temperature negative domain wall (DW) contribution to the resistivity observed in expitaxial Fe microstructures has been investigated as a function of film thickness. The DW spin structure changes from Bloch to Neel-like with…

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

The chiral clock spin-glass model with q=5 states, with both competing ferromagnetic-antiferromagnetic and left-right chiral frustrations, is studied in d=3 spatial dimensions by renormalization-group theory. The global phase diagram is…

Disordered Systems and Neural Networks · Physics 2017-05-02 Tolga Caglar , A. Nihat Berker

The temperature ($T$) - magnetic field ($H$) phase diagram for the tetragonal layered compound CeSbSe, is determined from magnetization, specific heat, and electrical resistivity measurements. This system exhibits complex magnetic ordering…

Strongly Correlated Electrons · Physics 2017-07-26 K. -W. Chen , Y. Lai , Y. -C. Chiu , S. Steven , T. Besara , D. Graf , T. Siegrist , T. E. Albrecht-Schmitt , L. Balicas , R. E. Baumbach

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

Solids with competing interactions often undergo complex phase transitions with a variety of long-periodic modulations. Among such transition, devil's staircase is the most complex phenomenon, and for it, CeSb is the most famous material,…

We investigate theoretically the spiral staircase Heisenberg spin-$1/2$ ladder in the presence of antiferromagnetic long-range spin interactions and a uniform magnetic field. As a special case we also consider the Kondo necklace model. If…

Strongly Correlated Electrons · Physics 2022-04-21 Flavio Ronetti , Daniel Loss , Jelena Klinovaja

Magnetic properties of 2D systems of magnetic nanoobjects (2D regular lattices of the magnetic nanoparticles or magnetic nanostripes) are considered. The analytical calculation of the hysteresis curve of the system with interaction between…

Materials Science · Physics 2013-05-29 A. A. Fraerman , M. V. Sapozhnikov
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