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Tailoring interlayer coupling has emerged as a powerful tool to tune the electronic structure of van der Waals (vdW) bilayers. One example is the usage of the moire pattern to create controllable two-dimensional electronic superlattices…

Recent advances in the field of vertically stacked 2D materials have revealed a rich exciton landscape. In particular, it has been demonstrated that out-of-plane electrical fields can be used to tune the spectral position of spatially…

介观与纳米尺度物理 · 物理学 2023-01-18 Joakim Hagel , Samuel Brem , Ermin Malic

Using spin waves we directly probe the interface of an exchange biased Ni$_{80}$Fe$_{20}$/Ir$_{25}$Mn$_{75}$ film which has been modified by the presence of an Au dusting layer. Combining this experimental data with a discretised simulation…

介观与纳米尺度物理 · 物理学 2011-12-12 R. Magaraggia , S. McIntyre , K. Kennewell , R. L. Stamps , M. Ali , D. Greig , B. J. Hickey , C. H. Marrows

Twist between neighboring layers and variation of interlayer distance are two extra ways to control the physical properties of stacked two-dimensional van der Waals materials without alteration of chemical compositions or application of…

材料科学 · 物理学 2024-04-19 Li-Ya Qiao , Xiu-Cai Jiang , Ze Ruan , Yu-Zhong Zhang

Two-dimensional confinement of lattices produces a variety of order and disorder phenomena. When the confining walls have atomic granularity, unique structural phases are expected, of relevance in nanotribology, porous materials or…

介观与纳米尺度物理 · 物理学 2022-08-29 Simone Lisi , Valérie Guisset , Philippe David , Estelle Mazaleyrat , Ana Cristina Gómez Herrero , Johann Coraux

The stacked two layered materials with a lattice constant mismatch and/or with twist angle relative to each other can create a moir\'e pattern, modulating the electronic properties of the pristine materials. Here, we combine scanning…

Geometrical moir\'e patterns, generic for almost aligned bilayers of two-dimensional (2D) crystals with similar lattice structure but slightly different lattice constants, lead to zone folding and miniband formation for electronic states.…

介观与纳米尺度物理 · 物理学 2019-04-01 David A. Ruiz-Tijerina , Vladimir I. Fal'ko

In this work, we demonstrate the tunability of electronic properties of Si/SiO2 substrate by molecular and ionic surface modifications. The change in the electronic properties such as the work function (WF) and electron affinity (EA), were…

The pivotal role of magnetic anisotropy in stabilising two-dimensional (2D) magnetism has been widely accepted, however, direct correlation between magnetic anisotropy and long-range magnetic ordering in the 2D limit is yet to be explored.…

Interlayer coupling between individual unit layers has played a critical role for layer-dependent properties in two-dimensional (2D) materials. While recent studies have revealed the significant degrees of interlayer interactions, the…

Using \textit{ab initio} methodology, we reveal a strain-mediated approach to precisely tune the magnetoelectric coupling and spin-driven emergent polarization of NiX$_2$ (X = I, Br) monolayers. In the absence of strain, these systems…

材料科学 · 物理学 2025-09-17 Ali Ghojavand , Cem Sevik , Milorad V. Milošević

Layered magnets have recently received tremendous attention, however, spin-exchange coupling mechanism across their interlayer regions is yet to be revealed. Here, we report a Bethe-Slater-curve (BSC) like behavior in nine transition metal…

材料科学 · 物理学 2020-07-15 Cong Wang , Xieyu Zhou , Linwei Zhou , Yuhao Pan , Zhong-Yi Lu , Xiangang Wan , Xiaoqun Wang , Wei Ji

Altermagnetism has recently drawn considerable attention in three- and twodimensional materials. Here, we extend this concept to quasi-one-dimensional (Q1D) monolayers assembled from single-atomic magnetic chains. Through systematically…

材料科学 · 物理学 2025-07-04 Deping Guo , Canbo Zong , Weihan Zhang , Cong Wang , Junwei Liu , Wei Ji

In the present work, spin orientation and variation of the strength of coupling in [Co/Pt]ML/Fe multilayer have been investigated as a function of the thickness of the Fe layer. [Co/Pt]ML/Fe multilayer has orthogonal anisotropy with the Fe…

Manipulating electronic interlayer coupling in layered van der Waals (vdW) materials is essential for designing opto-electronic devices. Here, we control vibrational and electronic interlayer coupling in bi- and trilayer 2H-MoS$_2$ using…

Magnetic proximity effect between topological insulator (TI) and ferromagnetic insulator (FMI) is considered to have great potential in spintronics. However, a complete determination of interfacial magnetic structure has been highly…

介观与纳米尺度物理 · 物理学 2015-04-13 Mingda Li , Wenping Cui , Jin Yu , Zuyang Dai , Zhe Wang , Ferhat Katmis , Wanlin Guo , Jagadeesh Moodera

Electronic correlation can strongly influence the electronic properties of two-dimensional (2D) materials with open d- or f-orbitals. Herein, by taking single-layer (SL) H-FeBr$_2$ as a representative of the SL H-FeX$_2$ (X=Cl, Br, I)…

材料科学 · 物理学 2022-10-05 Weiyi Pan

We have studied the interlayer coupling in the antiferromagnetic (AF) phase of Sr and Zn doped La2CuO4 by analyzing the spin flip transition in the magnetization curves. We find that the interlayer coupling strongly depends on the mobility…

强关联电子 · 物理学 2009-11-07 M. Hucker , H. -H. Klauss , B. Buchner

The exfoliation of layered magnetic materials generates atomically thin flakes characterized by an ultrahigh surface sensitivity, which makes their magnetic properties tunable via external stimuli, such as electrostatic gating and proximity…

Motivated by the recent discovery of helical magnetic structure in RbEuFe$_{4}$As$_{4}$, we investigate interlayer ordering of magnetic moments in materials composed of spatially-separated superconducting and ferromagnetically-aligned…

超导电性 · 物理学 2019-12-11 A. E. Koshelev