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Room temperature two-dimensional (2D) ferromagnetism is highly desired in practical spintronics applications. Recently, 1T phase CrTe2 (1T-CrTe2) nanosheets with five and thicker layers have been successfully synthesized, which all exhibit…

Materials Science · Physics 2021-06-16 Pengfei Gao , Xingxing Li , Jinlong Yang

Employing $\textit{ab-initio}$ density functional theory (DFT), we performed a systematic investigation of the electronic structures and the magnetic properties of atomic bilayers composed of a 4$d$ transition-metal layer (Rh, Pd and Ru)…

Materials Science · Physics 2023-12-08 Souvik Paul , Stefan Heinze

We investigate spin dynamics in nanodisc arrays of synthetic-antiferromagnets (SAF) made of Py/NiCu/Py trilayers, where the NiCu spacer undergoes a Curie transition at about 200 K. The observed ferromagnetic resonance spectra have three…

Mesoscale and Nanoscale Physics · Physics 2024-06-19 V. Yu. Borynskyi , D. M. Polishchuk , A. K. Melnyk , A. F. Kravets , A. I. Tovstolytkin , V. Korenivski

Two-dimensional (2D) materials can host stable, long-range magnetic phases in the presence of underlying magnetic anisotropy. The ability to realize the full potential of 2D magnets necessitates systematic investigation of the role of…

Ferromagnetic (FM) layers separated by nonmagnetic metallic spacer layers can exhibit Ruderman Kittel Kasuya Yosida (RKKY) coupling which may lead to a stable synthetic antiferromagnetic (SAF) phase. In this article we study magnetization…

Hybrid structures consisting of two-dimensional (2D) magnets and semiconductors have exhibited extensive functionalities in spintronics and opto-spintronics. In this work, we have fabricated WSe$_2$/Fe$_3$GeTe$_2$ van der Waals (vdW)…

Contacts between high critical field superconductors and semiconductor nanowires are important in the context of topological quantum circuits in which superconductivity must be sustained to high magnetic fields. Here we demonstrate…

Mesoscale and Nanoscale Physics · Physics 2016-10-11 Zhaoen Su , Azarin Zarassi , Binh-Minh Nguyen , Jinkyoung Yoo , Shadi A. Dayeh , Sergey M. Frolov

We develop and validate an interatomic potential for ruthenium based on the embedded atom method framework with the Finnis/Sinclair representation. We confirm that the new potential yields a stable hcp lattice with reasonable lattice and…

Materials Science · Physics 2011-04-05 Andrea Fortini , Mikhail I. Mendelev , Sergey Buldyrev , David Srolovitz

We study the magnetic interactions in atomic layers of Fe and 5d transition-metals such as Os, Ir, and Pt on the (001) surface of Rh using first-principles calculations based on density functional theory. For both stackings of the 5d-Fe…

Materials Science · Physics 2017-10-11 Sebastian Meyer , Bertrand Dupé , Paolo Ferriani , Stefan Heinze

We calculate the temperature dependent long-range magnetic coupling in the presence of dilute concentrations of random magnetic impurities in chiral multilayer two-dimensional semimetals, i.e., undoped intrinsic multilayer graphene.…

Mesoscale and Nanoscale Physics · Physics 2017-04-17 Hongki Min , E. H. Hwang , S. Das Sarma

We investigate the structural and magnetic properties of two molecule-based magnets synthesized from the same starting components. Their different structural motifs promote contrasting exchange pathways and consequently lead to markedly…

Recent neutron scattering and thermodynamic measurements suggest that Weyl electrons in the emergent Weyl semimetal SmAlSi mediate unconventional magnetic interactions and induce spiral magnetic order. In this work, we investigate the…

Strongly Correlated Electrons · Physics 2025-08-18 Lasin Thaivalappil , Rahul Verma , Hsin Lin , Bahadur Singh , Shin-Ming Huang

Strongly correlated Kagome magnets are promising candidates for achieving controllable topological devices owing to the rich interplay between inherent Dirac fermions and correlation-driven magnetism. Here we report tunable local magnetism…

The quest for room-temperature nanoscale magnets remains a central challenge, driven by their promising applications in quantum technologies. Layered $4d$ and $5d$ transition metal oxides with high magnetic ordering temperatures offer…

Strongly Correlated Electrons · Physics 2025-05-21 Deepak K. Roy , Mukul Kabir

The magnetic properties of alkali-metal peroxychromate K$_2$NaCrO$_8$ are governed by the $S = 1/2$ pentavalent chromium cation, Cr$^{5+}$. Specific heat, magnetocalorimetry, ac magnetic susceptibility, torque magnetometry, and inelastic…

The spin-orbit field and interfacial exchange field are two major interface phenomena, and the detection and manipulation of these fields can enable a variety of nanoscale spintronics devices. Optimizing the interfacial exchange field,…

Mesoscale and Nanoscale Physics · Physics 2025-06-24 Prasanta Muduli , Naëmi Leo , Mingran Xu , Zheng Zhu , Jorge Puebla , Christian Ortiz , Hironari Isshiki , YoshiChika Otani

Recent ab intio studies of the magnetic properties of all 3d transition metal(TM) freestanding atomic chains predicted that these nanowires could have a giant magnetic anisotropy energy (MAE) and might support a spin-spiral structure,…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 J. C. Tung , Y. K. Wang , G. Y. Guo

Cobalt ferrite (CoFe$_2$O$_4$) is a prototypical ferrimagnetic spinel oxide whose exceptional magnetic anisotropy, magnetoelastic coupling, and thermal stability underpin applications in spintronics, magnetic hyperthermia, energy…

Materials Science · Physics 2026-05-05 Soham Chandra , Soumyajit Sarkar

We report on high-field magnetization, specific-heat and electron spin resonance (ESR) studies of the quasi-two-dimensional spin-1/2 Heisenberg antiferromagnet [Cu(pyz)2(HF2)]PF6. The frequency-field diagram of ESR modes below TN = 4.38 K…

Strongly Correlated Electrons · Physics 2011-03-10 E. Cizmar , S. A. Zvyagin , R. Beyer , M. Uhlarz , M. Ozerov , Y. Skourski , J. L. Manson , J. A. Schlueter , J. Wosnitza

In this work, we report on an $ab-initio$ computational study of the electronic and magnetic properties of transition metal adatoms on a monolayer of NbSe$_2$. We demonstrate that Cr, Mn, Fe and Co prefer all to sit above the Nb atom, where…

Materials Science · Physics 2024-11-05 S. Sarkar , F. Cossu , P. Kumari , A. G. Moghaddam , A. Akbari , Y. O. Kvashnin , I. Di Marco
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