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Related papers: Interlayer Exchange Coupling in (Ga,Mn)As-based Su…

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The interlayer coupling can be used to engineer the electronic structure of van der Waals heterostructures (superlattices) to obtain properties that are not possible in a single material. So far research in heterostructures has been focused…

We explore computationally the formation of tri-layer superlattices as an alternative approach for combining ferroelectricity with magnetism to form magnetoelectric multiferroics. We find that the contribution to the superlattice…

Materials Science · Physics 2011-11-09 Alison J. Hatt , Nicola A. Spaldin

We report on first-principles calculations of multilayers of zinc-blende half-metallic ferromagnets CrAs and CrSb with III-V and II-VI semiconductors, in the [001] orientation. We examine the ideal and tetragonalised structures, as well as…

Materials Science · Physics 2009-11-10 Ph. Mavropoulos , I. Galanakis , P. H. Dederichs

Epitaxially grown multilayer systems offer the possibility to study the influence of ferromagnetism on superconductivity in a new and controlled way. In this paper, we explore how the superconducting properties of high quality,…

Superconductivity · Physics 2010-03-08 Hiroki Yamazaki , Nic Shannon , Hidenori Takagi

The interaction between the electronic and structural degrees of freedom is central to several intriguing phenomena observed in condensed-matter physics. In magnetic materials, magnetic interactions couple to lattice degrees of freedom,…

Magnetoelectric coupling is vital for exploring fundamental science and driving the development of high-density memory and energy-efficient spintronic devices. Altermagnets, which merge the benefits of ferromagnets and antiferromagnets,…

Materials Science · Physics 2026-03-03 Pengqiang Dong , Hanbo Sun , Chao Wu , Ping Li

We report the observation of the spin valve effect in (Ga,Mn)As/p-GaAs/(Ga,Mn)As trilayer devices. Magnetoresistance measurements carried out in the current in plane geometry reveal positive magnetoresistance peaks when the two…

Materials Science · Physics 2009-11-11 G. Xiang , B. L. Sheu , M. Zhu , P. Schiffer , N. Samarth

Motivated by the possible non-spin-singlet superconductivity in the magic-angle twisted trilayer graphene experiment, we investigate the triplet-pairing superconductivity arising from a correlation-induced spin-fermion model on a honeycomb…

Superconductivity · Physics 2021-11-18 Yang-Zhi Chou , Fengcheng Wu , Jay D. Sau , Sankar Das Sarma

Magnetic topological insulators such as Cr-doped (Bi,Sb)2Te3 provide a platform for the realization of versatile time-reversal symmetry-breaking physics. By constructing heterostructures with N\'eel order in an antiferromagnetic CrSb and…

Understanding the interplay between magnetism and superconductivity is one of the central issues in condensed matter physics. Such interplay induced nodal structure of superconducting gap is widely believed to be a signature of exotic…

Quantum Gases · Physics 2018-12-12 Bo Liu , Peng Zhang , Ren Zhang , Hong Gao , Fuli Li

We explore the role of interfacial antiferromagnetic interaction in coupled soft and hard ferromagnetic layers to ascribe the complex variety of magneto-transport phenomena observed in $La_{0.7}Sr_{0.3}MnO_3/SrRuO_3$ (LSMO/SRO)…

Strongly Correlated Electrons · Physics 2023-06-28 Sandip Halder , Subrat K. Das , Kalpataru Pradhan

Heterostructured material systems devoid of ferroic components are presumed not to display ordering associated with ferroelectricity. In heterostructures composed of transition metal oxides, however, the disruption introduced by an…

Strongly Correlated Electrons · Physics 2012-09-25 K. Rogdakis , J. W. Seo , Z. Viskadourakis , Y. Wang , L. F. N. Ah Qune , E. Choi , J. D. Burton , E. Y. Tsymbal , J. Lee , C. Panagopoulos

The design of spin-transport based devices such as magnon transistors or spin valves will require multilayer systems composed of different magnetic materials with different physical properties. Such layered structures can show various…

Materials Science · Physics 2022-03-23 Verena Brehm , Martin Evers , Ulrike Ritzmann , Ulrich Nowak

The ballistic spin-filter effect from a ferromagnetic metal into a semiconductor has theoretically been studied with an intention of detecting the spin polarizability of density of states in FM layer at a higher energy level. The physical…

Mesoscale and Nanoscale Physics · Physics 2012-04-27 Y. H. Li

In this work, we study the magnetization dynamics in a ferromagnet/insulator/ferromagnet trilayer sandwiched between two superconductors (S/F/I/F/S heterostructure). It is well-known that a conceptually similar S/F/S system is a platform…

Superconductivity · Physics 2025-06-25 V. M. Gordeeva , G. A. Bobkov , A. M. Bobkov , I. V. Bobkova , Tao Yu

Ultra-thin FeAs is of interest both as the active component in the newly identified pnictide superconductors, and in spintronic applications at the interface between ferromagnetic Fe and semiconducting GaAs. Here we use first-principles…

Superconductivity · Physics 2013-05-30 Sinéad M. Griffin , Nicola A. Spaldin

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 study the demagnetization dynamics of the fully compensated half-metallic ferrimagnet Mn$_2$Ru$_x$Ga. While the two antiferromagnetically coupled sublattices are both composed of manganese, they exhibit different temperature dependencies…

Materials Science · Physics 2021-01-18 G. Bonfiglio , K. Rode , G. Y. P. Atcheson , P. Stamenov , J. M. D. Coey , A. V. Kimel , Th. Rasing , A. Kirilyuk

First-principles calculations have been performed in order to determine effective exchange integrals between strongly and weakly exchange-biased Co monolayers in the modulated CoCu$_2$/CoCu$_n$ superlattices. For $3\le n\le 6$ it has been…

Condensed Matter · Physics 2007-05-23 S. Krompiewski , F. Süss , U. Krey

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
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