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Related papers: Magnetic exchange interactions in monolayer CrI$_3…

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The magnetic properties of the two-dimensional, S=1 honeycomb antiferromagnet BaNi$_2$V$_2$O$_8$ have been comprehensively studied using DC susceptibility measurements and inelastic neutron scattering techniques. The magnetic excitation…

Strongly Correlated Electrons · Physics 2018-01-04 E. S. Klyushina , B. Lake , A. T. M. N. Islam , J. T. Park , A. Schneidewind , T. Guidi , E. A. Goremychkin , B. Klemke , M. Månsson

We report local probe investigations of the magnetic interaction between BiFeO3 films and a ferromagnetic Co0.9Fe0.1 layer. Within the constraints of intralayer exchange coupling in the Co0.9Fe0.1, the multiferroic imprint in the…

Materials Science · Physics 2013-05-01 M. Trassin , J. D. Clarkson , S. R. Bowden , Jian Liu , J. T. Heron , R. J. Paull , E. Arenholz , D. T. Pierce , J. Unguris

Hematite is a canted antiferromagnetic insulator, promising for applications in spintronics. Here, we present ab initio calculations of the tensorial exchange interactions of hematite and use them to understand its magnetic properties by…

Twisted structures of chiral cubic ferromagnetics MnSi and Cu$_2$OSeO$_3$ can be described both in the frame of the phenomenological Ginzburg-Landau theory and using the microscopical Heisenberg formalism with a chirality brought in by the…

Strongly Correlated Electrons · Physics 2015-02-05 Viacheslav A. Chizhikov , Vladimir E. Dmitrienko

We investigate the magnetic behavior and critical exponents of quaternary CoFeV$_{0.8}$Mn$_{0.2}$Si Heusler alloy to understand the interactions across the Curie temperature ($T_{\rm C}$). The Rietveld refinement of the x-ray diffraction…

Materials Science · Physics 2023-10-04 Guru Dutt Gupt , P. D. Babu , R. S. Dhaka

In this paper, we examine the properties of spin-polarized interfaces consisting of single-molecule magnet bis(cyclopentadienyl)cobalt(II) (cobaltocene) and two-dimensional magnetic materials, semiconducting CrI$_3$ and metallic…

Materials Science · Physics 2026-03-23 Nikola Machacova , Biplab Sanyal

Using first-principle density functional theory calculations combined with insight from a tight-binding representation, dynamical mean field theory, and linear response theory, we have extensively investigated the electronic structures and…

Superconductivity · Physics 2009-08-09 Myung Joon Han , Quan Yin , Warren E. Pickett , Sergey Y. Savrasov

Microstrip ferromagnetic resonance and Brillouin scattering are used to provide a comparative determination of the magnetic parameters of thin permalloy layers interfaced with a non-magnetic (Al2O3) or with an antiferromagnetic oxide (NiO).…

In this work, we investigate the microscopic nature of the magnetism in honeycomb iridium-based systems by performing a systematic study of how the effective magnetic interactions in these compounds depend on various electronic microscopic…

Strongly Correlated Electrons · Physics 2015-06-22 Yuriy Sizyuk , Craig Price , Peter Wölfle , Natalia B. Perkins

The electronic structure and magnetic properties of the 2H-NbS$_2$ compound intercalated by Cr, Mn and Fe, have been investigated by means of the Korringa-Kohn-Rostoker (KKR) method. The calculations demonstrate easy plane…

Materials Science · Physics 2016-11-30 S. Mankovsky , S. Polesya , H. Ebert , W. Bensch

The electronic structure of anti-ferromagnetic $Cr_{2}As$ is investigated. Anisotropy of exchange interactions between chrome sub-lattices is determined ($J^{X}(Cr_{I}-Cr_{II}) =4.77 meV,J^{Y}(Cr_{I}-Cr_{II}) =-6.36 meV$). The behavior of…

Materials Science · Physics 2019-02-12 V. I. Valkov , A. V. Golovchan , U. Aparajita , O. Roslyak

It is demonstrated that the magnetic interactions can be drastically different for nano-sized systems compared to those of bulk or surfaces. Using a real-space formalism we have developed a method to calculate non-collinear magnetization…

Kitaev interactions underlying a quantum spin liquid have been long sought, but experimental data from which their strengths can be determined directly is still lacking. Here, by carrying out inelastic neutron scattering measurements on…

Using ab initio wave-function-based calculations, we provide valuable insights with regard to the magnetic exchange in 5$d$ and 4$d$ oxides with face-sharing ligand octahedra, BaIrO$_3$ and BaRhO$_3$. Surprisingly strong antiferromagnetic…

Strongly Correlated Electrons · Physics 2019-03-18 Lei Xu , Ravi Yadav , Viktor Yushankhai , Liudmila Siurakshina , Jeroen van den Brink , Liviu Hozoi

We report a study of interlayer exchange interaction in multilayer CoPt/Co structures consisting of periodic CoPt multilayer film with an "easy axis" anisotropy and thick Co layer with an "easy plane" anisotropy separated by Pt spacer with…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 E. S. Demidov , N. S. Gusev , L. I. Budarin , E. A. Karashtin , V. L. Mironov , A. A. Fraerman

Today, further downscaling of mobile electronic devices poses serious problems, such as energy consumption and local heat dissipation. In this context, spin wave majority gates made of very thin ferromagnetic films may offer a viable…

Statistical Mechanics · Physics 2018-07-04 Joren Vanherck , Bart Sorée , Wim Magnus

Proximity effects in two-dimensional (2D) van der Waals heterostructures offer controllable ways to tailor the electronic band structure of adjacent materials. Exchange proximity in particular is important for making materials magnetic…

Mesoscale and Nanoscale Physics · Physics 2019-09-04 Klaus Zollner , Paulo E. Faria Junior , Jaroslav Fabian

The electronic structure and magnetic properties of CaCr$\mathrm{O}_3$ have been calculated by two methods, including hybrid-exchange density-function theory and density-functional theory + $U$. The computed densities of states from both of…

Strongly Correlated Electrons · Physics 2015-05-13 Wei Wu

We report the results of a numerical investigation of static and dynamic critical behavior of the anisotropic easy-plane Heisenberg model which is used as a model for iron-vanadium magnetic superlattices. Models of iron-vanadium magnetic…

Statistical Mechanics · Physics 2014-12-01 Akai K. Murtazaev , Vadim A. Mutailamov

Low-energy magnon excitations in multiferroic BiFeO$_3$ were measured in detail as a function of temperature around several Brillouin zone centers by inelastic neutron scattering experiments on single crystals. Unique features around 1 meV…

Materials Science · Physics 2014-09-15 Jaehong Jeong , Manh Duc Le , P. Bourges , S. Petit , S. Furukawa , Shin-Ae Kim , Seongsu Lee , S-W. Cheong , Je-Geun Park