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Related papers: Spin structures of textured and isotropic Nd-Fe-B-…

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We report the crystal growth by chemical vapor transport together with a thorough structural and magnetic characterization of the quasi-2D magnets (Fe$_{1-x}$Ni$_x$)$_2$P$_2$S$_6$ with $x_\textrm{Ni} = \textrm{0, 0.3, 0.5, 0.7, 0.9 & 1}$.…

Strongly Correlated Electrons · Physics 2021-07-26 Sebastian Selter , Yuliia Shemerliuk , Mihai-Ionut Sturza , Anja U. B. Wolter , Bernd Büchner , Saicharan Aswartham

The study of nanoscale chiral magnetic order in polycrystalline materials with a strong Dzyaloshinkii-Moriya interaction (DMI) is interesting for the observation of magnetic phenomena at grain boundaries and interfaces. One such material is…

We present a methodology based on the calculation of the inelastic scattering from magnons via the spin scattering function in confined geometries such as thin films using a second quantization formalism, for both ferromagnetic and…

The scientific and technological exploration of artificially designed three-dimensional magnetic nanostructures opens the path to exciting novel physical phenomena, originating from the increased complexity in spin textures, topology, and…

In this work, we study experimentally by broadband ferromagnetic resonance measurements, the dependence of the spin-wave excitation spectra on the magnetic applied field in CoFeB meander-shaped films. Two different orientations of the…

Mesoscale and Nanoscale Physics · Physics 2021-12-08 A. V. Sadovnikov , G. Talmelli , G. Gubbiotti , E. N. Beginin , S. Sheshukova , S. A. Nikitov , C. Adelmann , F. Ciubotaru

Recent research suggests the possibility of the two-dimensional breathing-Kagome magnet Nb$_3$Cl$_8$ hosting a quantum spin liquid state, warranting further study into its magnetic properties. Using ab initio calculations, we show that…

Mesoscale and Nanoscale Physics · Physics 2026-01-22 Tharindu Fernando , Ting Cao

Strain engineering provides a powerful means to tune the properties of two-dimensional materials. Accordingly, numerous studies have investigated the effect of bi- and uniaxial strain. Yet, the strain fields in many systems such as…

Materials Science · Physics 2023-09-14 Mohammadreza Daqiqshirazi , Thomas Brumme

The magnetic textures on nanoscale possess topological features due to the continuity of the magnetization vector field and its boundary conditions. In thin planar nanoelements, where the dependence of the magnetization across the thickness…

Mesoscale and Nanoscale Physics · Physics 2020-01-08 Andrei B. Bogatyrëv , Konstantin L. Metlov

Motivated by the importance of magnetization dynamics in nanomagnets for the development and optimization of magnetic devices and sensors, we measured and modeled spin wave spectra in patterned elliptical nanomagnets. Ferromagnetic…

Materials Science · Physics 2021-02-03 H. T. Nembach , R. D. McMichael , M. L. Schneider , J. M. Shaw , T. J. Silva

We present a comprehensive study of the short-ranged nuclear and magnetic order in the two-dimensional spin glass, Mn$_{0.5}$Fe$_{0.5}$PS$_3$. Nuclear neutron scattering data reveal a random distribution of Mn$^{2+}$ and Fe$^{2+}$ ions…

Materials Science · Physics 2020-08-12 J. N. Graham , M. J. Coak , S. Son , E. Suard , J. -G. Park , L. Clark , A. R. Wildes

Magnetic skyrmions are two-dimensional non-collinear spin textures characterised by an integer topological number. They commonly crystallise at low temperatures in bulk noncentrosymmetric ferromagnets where the lack of inversion symmetry…

We report on the structural and magnetic properties of single and double atomic layers of Mn on a clean and unreconstructed Nb(110) substrate. Low-temperature scanning tunneling spectroscopy measurements reveal a proximity-induced…

We study correlations and magnetic textures of localized spins, doped in three-dimensional Dirac semimetals. An effective field theory for magnetic moments is constructed by integrating out the fermionic degrees of freedom. The spin…

Mesoscale and Nanoscale Physics · Physics 2016-04-06 Yasufumi Araki , Kentaro Nomura

Frustrated magnetism plays a central role in the phenomenology of exotic quantum states. However, because the magnetic structures of frustrated systems are aperiodic, there has always been the problem that they cannot be determined using…

Materials Science · Physics 2013-05-30 Joseph A. M. Paddison , Andrew L. Goodwin

The ability to tune the competition between the in-plane and out-of-plane orientation of magnetization provides a means to construct thermal sensors with a sharp spin re-orientation transition at specific temperatures. We have observed such…

Controlling the magnetic order of antiferromagnets is challenging due to their vanishing net magnetization. For this reason, the study of local spin textures in antiferromagnets is restricted by the difficulty in nucleating such states.…

Mesoscale and Nanoscale Physics · Physics 2023-11-27 Miina Leiviskä , Sarah Jenkins , Richard F. L. Evans , Daria Gusakova , Vincent Baltz

Saturation magnetization values close to the bulk have been reported for coated magnetite nanoparticles with organic acids. The mechanism of this effect is not yet understood. Here we show that a previously proposed rationalization in Nano…

Materials Science · Physics 2022-01-05 Enrico Bianchetti , Cristiana Di Valentin

Neutron spectroscopy is used to investigate the magnetic fluctuations in Fe_{1+x}Te - a parent compound of chalcogenide superconductors. Incommensurate "stripe-like" excitations soften with increased interstitial iron concentration. The…

Strongly Correlated Electrons · Physics 2015-06-22 C. Stock , E. E. Rodriguez , O. Sobolev , J. A. Rodriguez-Rivera , R. A. Ewings , J. W. Taylor , A. D. Christianson , M. A. Green

Frustration in the presence of competing interactions is ubiquitous in the physical sciences and is a source of degeneracy and disorder, giving rise to new and interesting physical phenomena. Perhaps nowhere does it occur more simply than…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Cristiano Nisoli , Roderich Moessner , Peter Schiffer

The magnetization dynamics in nanostructures has been extensively studied in the last decades, and nanomagnetism has evolved significantly over that time, discovering new effects, developing numerous applications, and identifying promising…

Materials Science · Physics 2022-10-03 Mateusz Zelent , Mathieu Moalic , Olav Hellwig , Anjan Barman , Maciej Krawczyk