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Van der Waals (vdW) antiferromagnets are exceptional platforms for exploring the spin dynamics of antiferromagnetic materials owing to their weak interlayer exchange coupling. In this study, we examined the antiferromagnetic resonance…

2D van der Waals (vdW) ferromagnets have emerged as promising materials for spintronic applications due to their unique magnetic properties and tunability. Controlling ferromagnetism via external stimuli is critical for both fundamental…

材料科学 · 物理学 2025-08-12 Riku Iimori , Yuta Kodani , Shaojie Hu , Takashi Kimura

Van der Waals (vdW) ferromagnets are an important class of materials for spintronics applications. The recent discovery of atomically vdW magnets CrI$_3$ and Cr$_2$Ge$_2$Te$_6$ has triggered a renaissance in the area of two-dimensional (2D)…

强关联电子 · 物理学 2021-10-22 Yu Liu , Zhixiang Hu , Eli Stavitski , Klaus Attenkofer , C. Petrovic

A comprehensive study of magnetocrystalline anisotropy of a layered van-der-Waals ferromagnet VI3 was performed. We measured angular dependences of the torque and magnetization with respect to the direction of the applied magnetic field…

Van der Waals magnets are attracting a lot of attention for their potential integration in spintronic and magnonic technologies. CrSBr is an A-type antiferromagnet that shows a coupling between its electronic band structure and magnetic…

材料科学 · 物理学 2026-01-13 Shalini Badola , Amit Pawbake , Bing Wu , Aljosha Söll , Zdenek Sofer , Rolf Heid , Clement Faugeras

We present a phenomenological theory for coupled spin-charge dynamics in magnetic van der Waals heterostructures. The system studied consists of a layered antiferromagnet inserted into a capacitive vdW heterostructure. It has been recently…

介观与纳米尺度物理 · 物理学 2020-09-23 Avinash Rustagi , Abhishek Solanki , Yaroslav Tserkovnyak , Pramey Upadhyaya

Two-dimensional van der Waals single crystals DyOBr and SmOCl have been grown by flux method and their anisotropic magnetic properties are reported. DyOBr orders antiferromagnetically at T$_{N}$=9.5 K with magnetic moments lying along…

We have investigated the magnetic-field induced phases of a typical three-dimensional frustrated magnet, CdCr$_2$O$_4$, in magnetic fields of up to 120 T that is generated by the single-turn coil techniques. We focused on magnetic phase…

强关联电子 · 物理学 2013-02-18 Atsuhiko Miyata , Hiroaki Ueda , Shojiro Takeyama

Magnetoelectric materials have generated wide technological and scientific interest because of the rich phenomena these materials exhibit, including the coexistence of magnetic and ferroelectric orders, magnetodielectric behavior, and…

材料科学 · 物理学 2017-05-17 A. Sethi , T. Byrum , R. D. McAuliffe , S. L. Gleason , J. E. Slimak , D. P. Shoemaker , S. L. Cooper

The interaction between distinct excitations in solids is of both fundamental interest and technological importance. One example of such interactions is coupling between an exciton, a Coulomb bound electron-hole pair, and a magnon, a…

In materials with one-dimensional electronic bands, electron-electron interactions can produce intriguing quantum phenomena, including spin-charge separation and charge density waves (CDW). Most of these systems, however, are non-magnetic,…

Recent research has revealed remarkable properties of the two-dimensional (2D) van der Waals layered crystal CrSBr, which is both a semiconductor and an A-type antiferromagnet. Here we show the role of strong magnetoelastic coupling in the…

We show that ions at the low densities and high magnetic fields relevant to the outer crust of magnetars form a novel crystalline phase where ions are strongly coupled along the magnetic field and loosely coupled in the transverse…

高能天体物理现象 · 物理学 2013-12-03 Paulo F. Bedaque , Simin Mahmoodifar , Nathan Ng , Srimoyee Sen

The Raman scattering response of the biaxial antiferromagnet CoPS$_3$ has been investigated as a function of both magnetic field and temperature. The peaks observed in the low-frequency spectral range (90--200~cm$^{-1}$) have been…

Layered van der Waals two-dimensional (2D) magnets are a cornerstone of ultrathin spintronic and magnonic devices. The recent discovery of a 2D multiferroic with strong magnetoelectric coupling in NiI$_2$ offers a promising platform for the…

材料科学 · 物理学 2024-08-01 Andrey Rybakov , Adolfo O. Fumega , Dorye L. Esteras , Jose L. Lado , José J. Baldoví

VI$_{3}$ is a ferromagnet with planar honeycomb sheets of bonded V$^{3+}$ ions held together by van der Waals forces. We apply neutron spectroscopy to measure the two dimensional ($J/J_{c} \approx 17$) magnetic excitations in the…

In pure anisotropic or layered superconductors thermal fluctuations induce a van der Waals attraction between flux lines. This attraction together with the entropic repulsion has interesting consequences for the low field phase diagram; in…

统计力学 · 物理学 2009-10-31 Andreas Volmer , Moshe Schwartz

We report a comprehensive high-field/high-frequency electron spin resonance (ESR) study on single crystals of the van der Waals magnet CrCl$_3$. This material, although being known for quite a while, has received recent significant…

材料科学 · 物理学 2020-06-09 J. Zeisner , K. Mehlawat , A. Alfonsov , M. Roslova , T. Doert , A. Isaeva , B. Büchner , V. Kataev

The magnonic excitations of a dimerized, one-dimensional, antiferromagnetic chain can be trivial or topological depending on the signs and magnitudes of the alternating exchange couplings and the anisotropy. The topological phase that…

介观与纳米尺度物理 · 物理学 2024-10-15 Topojit Debnath , Shri Hari Soundararaj , Sohee Kwon , Alexander A. Balandin , Roger K. Lake

The spin-wave excitations of the multiferroic $\rm MnWO_4$ have been measured in its low-temperature collinear commensurate phase using high-resolution inelastic neutron scattering. These excitations can be well described by a Heisenberg…