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Transition metal thriclorides, with $4d$ or $5d$ electrons, are materials at the forefront of recent studies about the interplay of spin-orbit coupling and strong Coulomb interactions. Within our first-principles calculations (DFT+$U$+SOC)…

材料科学 · 物理学 2022-10-19 P. H. Souza , D. P. de Andrade Deus , W. H. Brito , R. H. Miwa

The Fe$_{n}$GeTe$_{2}$ systems are newly discovered two-dimensional van-der-Waals materials, exhibiting magnetism at room temperature. The sub-systems belonging to Fe$_{n}$GeTe$_{2}$ class are special because they show site-dependent…

材料科学 · 物理学 2022-12-19 Sukanya Ghosh , Soheil Ershadrad , Vladislav Borisov , Biplab Sanyal

The magnetic properties of Nd${}_2$Fe${}_{14}$B (NFB)/transition metal (TM = Fe, Co) multilayer systems are studied on the basis of first-principles density functional calculations. We optimize the model structure under a variety of…

介观与纳米尺度物理 · 物理学 2016-01-13 Nobuyuki Umetsu , Yuta Toga , Akimassa Sakuma

FePSe3 is a collinear honeycomb antiferromagnet with an easy-axis anisotropy and large spins S=2. It belongs to a family of magnetic van der Waals materials, which recently attracted a considerable attention. In this work we present an…

Van der Waals materials are a new platform to study two-dimensional systems, including magnetic order. Since the number of spins is relatively small, measuring the magnetization is challenging. Here we report spin Hall magnetoresistance…

介观与纳米尺度物理 · 物理学 2022-06-22 F. Feringa , G. E. W. Bauer , B. J. van Wees

The layered van der Waals trichalcogenide NiPS3 has attracted widespread attention due to its unique optical, magnetic, and electronic properties. The complexity of NiPS3 itself, however, has also led to ongoing debates regarding its…

强关联电子 · 物理学 2024-07-03 Yifeng Cao , Nicholas Russo , Qishuo Tan , Xi Ling , Jinghua Guo , Yi-de Chuang , Kevin E. Smith

Two-dimensional semiconducting systems, such as quantum wells and transition metal dichalcogenides, are the foundations to investigate low dimensional light-matter interactions. To date, the study of elementary photoexcitation, namely the…

We have revisited the magnetic structure of manganese phosphorus trisulfide MnPS3 using neutron diffrac- tion and polarimetry. MnPS3 undergoes a transition toward a collinear antiferromagnetic order at 78 K. The resulting magnetic…

强关联电子 · 物理学 2010-12-06 Eric Ressouche , Mickael Loire , Virginie Simonet , Rafik Ballou , Anne Stunault , Andrew Wildes

We report a detailed theoretical investigation into the influence of anisotropy on the magnetic and thermodynamic properties of an octanuclear nickel phosphonate cage with butterfly-shaped molecular geometry, namely…

统计力学 · 物理学 2019-10-01 Hamid Arian Zad , Ralph Kenna , Nerses Ananikian

The paper reports new results of the 57Fe M\"ossbauer measurements on Fe3PO4O3 powder sample recorded at various temperatures including the point of magnetic phase transition TN ~ 163K. The spectra measured above TN consist of quadrupole…

强关联电子 · 物理学 2018-03-28 A. V. Sobolev , A. A. Akulenko , I. S. Glazkova , D. A. Pankratov , I. A. Presniakov

Two-dimensional (2D) magnetism in atomically thin van der Waals (vdW) monolayers and heterostructures has attracted significant attention due to its promising potential for next-generation spintronic and quantum technologies. A key factor…

材料科学 · 物理学 2025-08-08 Yusheng Hou , Ruqian Wu

We theoretically investigate magnetic anisotropy in materials with non-critical elements to determine which symmetry conditions and atomic shell filling favor enhanced magnetic anisotropy. We study the magnetocrystalline anisotropies (MCA)…

材料科学 · 物理学 2025-07-08 Nica Jane B. Ferrer , Gregory A. Fiete

Magnetoelasticity plays a crucial role in numerous magnetic phenomena, including magnetocalorics, magnon excitation via acoustic waves, and ultrafast demagnetization/Einstein-de Haas effect. Despite a long-standing discussion on…

Monte Carlo simulation has been employed to investigate the magnetic properties and phase diagrams of ferrimagnetic mixed-spin (1/2, 1) triangular Ising nanotube with core-shell structure. In particular, the effect of the exchange couplings…

介观与纳米尺度物理 · 物理学 2021-10-04 Maen Gharaibeh , Samah Alqaiem , Abdalla Obeidat , Ahmad Al-Qawasmeh , Sufian Abedrabbo , Mohammad Badarneh

The AFMR spectra of the NdFe$_3$(BO$_3$)$_4$ crystal are measured in a wide range of frequencies and temperatures. It is found that by the type of magnetic anisotropy the compound is an "easy-plane" antiferromagnet with a weak anisotropy in…

We combine polarized infrared magneto-transmission and Faraday angle rotation measurements to map the collective excitations of the van der Waals antiferromagnet FePS$_3$. Below the N\'{e}el temperature ($T_\mathrm{N} \approx 118$ K), the…

强关联电子 · 物理学 2025-08-21 Kartik Panda , Itzik Kapon , Dumitru Dumcenco , Dirk van der Marel , Alexey Kuzmenko , Nimrod Bachar

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…

材料科学 · 物理学 2016-11-30 S. Mankovsky , S. Polesya , H. Ebert , W. Bensch

Using density functional theory plus Hubbard-U (DFT+U) approach, we find that quasi one-dementation(1D) 3d transition metal(TM) zigzag nanowire can be constructed by TM adsorbed on the surface of graphyne sheet. The results show that the TM…

材料科学 · 物理学 2013-05-22 Junjie He , Pan Zhou , N. Jiao , S. Y. Ma , K. W. Zhang , R. Z. Wang , L. Z. Sun

Van der Waals materials provide a versatile toolbox for the emergence of new quantum phenomena and the fabrication of functional heterostructures. Among them, the trihalide VI3 stands out for its unique magnetic and structural landscape.…

The electronic structure, magnetic properties and phase formation of hexagonal ferromagnetic Fe$_{3}$Sn-based alloys have been studied from first principles and by experiment. The pristine Fe$_{3}$Sn compound is known to fulfill all the…