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Related papers: Antiferromagnetic Interlayer Coupling in Ferromagn…

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A three-dimensional layered Ising-Antiferromagnet with a ferromagnetic intra-layer coupling to z neighbors, zJ > 0, and an antiferromagnetic interlayer coupling to z' neighbors, z'J' < 0, is investigated by Monte Carlo simulations on a…

Statistical Mechanics · Physics 2017-08-23 O. Petracic , Ch. Binek , W. Kleemann

Unconventional superconductivity and magnetism are intertwined on a microscopic level in a wide class of materials. A new approach to this most fundamental and hotly debated issue focuses on the role of interactions between superconducting…

Electron-electron correlations affect the band gap of half-metallic ferromagnets by introducing non-quasiparticle states just above the Fermi level. In contrast to the spin-orbit coupling, a large asymmetric non-quasiparticle spectral…

Strongly Correlated Electrons · Physics 2014-04-15 L. Chioncel , E. Arrigoni , M. I. Katsnelson , A. I. Lichtenstein

Antiferromagnetic superlattices (AFSL) are proposed based on the buckled hexagonal two-dimensional materials, which can be realized by the proximity effect of the periodically deposited antiferromagnets. It is found that the AF proximity…

Mesoscale and Nanoscale Physics · Physics 2025-09-05 Wei-Tao Lu , Tie-Feng Fang , Qing-Feng Sun

The electric and magnetic properties of (BaTiO$_3$)$_n$/(CaMnO$_3$)$_n$ short-period superlattices are studied by the first-principles calculations. The local electric polarizations in the CaMnO$_3$ layers are significant, comparable to…

Materials Science · Physics 2015-05-28 Hongwei Wang , Lixin He , Xifan Wu

The manipulation of the antiferromagnetic interlayer coupling in the epitaxial Fe/Cr/Fe(001) trilayer system by moderate 5 keV He ion beam irradiation has been investigated experimentally. It is shown that even for irradiation with very low…

Superlattices composed of ferromagnetic La0.6Sr0.4MnO3 and ferroelectric 0.7Pb(Mg0,33Nb0.66)O3 0.3(PbTiO3) layers were fabricated on (100) LaAlO3 substrates by pulsed laser deposition technique. Ferromagnetic and frequency independent…

Materials Science · Physics 2007-05-23 Ayan Roy Chaudhuri , R. Ranjith , S. B. Krupanidhi , R. V. K Mangalam , A. Sundaresan

We present a phenomenological model of periodic ferroelectric-superconductor (FE-S) heterostructures containing two alternating ferroelectric and superconducting layers. The interaction at the FE-S contacts is described as a coupling of the…

Statistical Mechanics · Physics 2007-05-23 N. Pavlenko , F. Schwabl

Spintronic and nanomagnetic devices often derive their functionality from layers of different materials and the interfaces between them. This is especially true for synthetic antiferromagnets - two or more ferromagnetic layers that are…

Mesoscale and Nanoscale Physics · Physics 2017-05-31 R. A. Duine , Kyung-Jin Lee , Stuart S. P. Parkin , M. D. Stiles

Layered topologically non-trivial and trivial semimetals with AFM-type ordering of magnetic sublattice are known to exhibit a negative magnetoresistance that is well correlated with AFM magnetization changes in a magnetic field. This effect…

Mesoscale and Nanoscale Physics · Physics 2024-05-29 P. D. Grigoriev , N. S. Pavlov , I. A. Nekrasov , I. R. Shein , A. V. Sadakov , O. A. Sobolevskiy , E. Maltsev , N. Perez , L. Veyrat , V. M. Pudalov

The interlayer coupling mediated by fermions in ferromagnets brings about parallel and anti-parallel magnetization orientations of two magnetic layers, resulting in the giant magnetoresistance, which forms the foundation in spintronics and…

When monolayers of two-dimensional (2D) materials are stacked into van der Waals structures, interlayer electronic coupling can introduce entirely new properties, as exemplified by recent discoveries of moir\'e bands that host highly…

We report inelastic neutron scattering measurements of magnetic excitations in YbMnSb2, a low-carrier-density Dirac semimetal in which the antiferromagnetic Mn layers are interleaved with Sb layers that host Dirac fermions. We observe a…

We develop a mean-field theory of carrier-induced ferromagnetism in diluted magnetic semiconductors. Our approach represents an improvement over standard RKKY model allowing spatial inhomogeneity of the system, free-carrier spin…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 T. Jungwirth , W. A. Atkinson , B. H. Lee , A. H. MacDonald

Results from dielectric and structural measurements on epitaxial SrTiO$_3$/BaZrO$_3$ superlattices reveal properties that cannot be explained simply in terms of those measured on single films of the constituent materials. For large…

Materials Science · Physics 2009-11-10 Hans M. Christen , Eliot D. Specht , Sherwood S. Silliman , K. S. Harshavardhan

The coupling of ferroelectricity and magnetic order provides rich tunability for engineering material properties and demonstrates great potential for uncovering novel quantum phenomena and multifunctional devices. Here, we report…

In F/S/F trilayers where the magnetization directions of the F layers can be controlled separately, it has theoretically been predicted that the antiparallel (AP) configuration can have a higher superconducting transition temperature T_c…

Superconductivity · Physics 2009-11-11 A. Yu. Rusanov , S. Habraken , J. Aarts

Strongly correlated materials often exhibit an electronic phase separation (EPS) phenomena whose domain pattern is random in nature. The ability to control the spatial arrangement of the electronic phases at microscopic scales is highly…

A direct correlation is seen between the coercive field (HC) and the magnetic-field-dependent resistivity (MR) in SrMnO3/SrRuO3 superlattices of perpendicular magnetic anisotropy. The magnetoresistance shows a sharp jump at Hc for in-plane…

Strongly Correlated Electrons · Physics 2009-11-13 P. Padhan , W. Prellier , R. C. Budhani

We investigate the interlayer coupling between two thin ferromagnetic (F) films mediated by an antiferromagnetic (AF) spacer in F*/AF/F trilayers and show how it transitions between different regimes on changing the AF thickness. Employing…