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Related papers: Magnetic ground state of monolayer CeI$_{2}$: occu…

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Two-dimensional (2D) ferromagnets have been a fascinating subject of research, and magnetic anisotropy (MA) is indispensable for stabilizing the 2D magnetic order. Here, we investigate magnetic anisotropy energy (MAE), magnetic and…

Materials Science · Physics 2022-11-09 San-Dong Guo , Yu-Ling Tao , Kai Cheng , Bing Wang , Yee-Sin Ang

We investigate magnetic properties of CrTe$_2$ within the density functional theory (DFT) approach in ferromagnetic phase and combination of DFT and dynamical mean field theory (DFT+DMFT) approach in paramagnetic phase. We show that few…

Strongly Correlated Electrons · Physics 2026-03-03 A. A. Katanin , E. M. Agapov

Magnetic anisotropy is crucial for sustaining long range magnetic order in two-dimensional materials (2D) and must be taken into account by any approximate scheme for calculating critical temperatures. While 2D ferromagnets have received…

Materials Science · Physics 2026-02-18 Varun Rajeev Pavizhakumari , Thomas Olsen

We present a comparative investigation of singlet ground state induced magnetism for singlet, doublet and triplet excited CEF states of non-Kramers f-electrons relevant primarily for Pr- and U- based compounds. This type of magnetic order…

Strongly Correlated Electrons · Physics 2024-03-11 Peter Thalmeier , Alireza Akbari

The ground state properties of the Shastry-Sutherland model in the presence of an external field are investigated by means of variational states built up from unpaired spins (monomers) and singlet pairs of spins (dimers). The minimum of the…

Condensed Matter · Physics 2009-11-07 A. Fledderjohann , K. -H. Muetter

We report a systematic investigation of dc magnetization and ac susceptibility, as well as anisotropic magnetocaloric effect in bulk CrI$_3$ single crystals. A second-stage magnetic transition was observed just below the Curie temperature…

Strongly Correlated Electrons · Physics 2018-05-22 Yu Liu , C. Petrovic

The extraordinary properties of a heterostructure by stacking atom-thick van der Waals (vdW) magnets have been extensively studied. However, the magnetocaloric effect (MCE) of heterostructures that are based on monolayer magnets remains to…

Materials Science · Physics 2023-04-26 Weiwei He , Ziming Tang , Qihua Gong , Min Yi , Wanlin Guo

Density functional theory (DFT) calculations are used to investigate the electronic and magnetic structures of a two-dimensional (2D) monolayer Li$_{2}$N. It is shown that bulk Li$_{3}$N is a non-magnetic semiconductor. The…

Materials Science · Physics 2017-12-06 Gul Rahman , Altaf Ur Rahman , Saima Kanwal , P. Kratzer

We present a minimal model that provides a description of the magnetic and thermodynamic properties of \Eu. The model contains two exchange coupling parameters, which are calculated using Density Functional Theory, and a local easy axis…

Other Condensed Matter · Physics 2021-12-22 D. J. Garcia , V. Vildosola , A. A. Aligia , D. G. Franco , Pablo S. Cornaglia

Layered transition metal trichalcogenides with the chemical formula $ABX_3$ have attracted recent interest as potential candidates for two-dimensional magnets. Using first-principles calculations within density functional theory, we…

Materials Science · Physics 2015-08-11 Nikhil Sivadas , Matthew W. Daniels , Robert H. Swendsen , Satoshi Okamoto , Di Xiao

Uranium dioxide (UO$_2$) remains a formidable challenge for first-principles approaches, due to the complex interplay among spin-orbit coupling, Mott physics, magnetic ordering, and crystal distortions. Here we use DFT+$U$ to explore UO$_2$…

We compare three first-principles methods of calculating the Curie temperature in two-dimensional (2D) ferromagnetic materials (FM), modeled using the Heisenberg model, and propose a simple formula for estimating the Curie temperature with…

We present a density functional theory (DFT) based study of a two-dimensional phase of chromium bismuthate (CrBi), previously unknown material with exceptional magnetic and magnetooptical characteristics. Monolayer CrBi is a ferromagnetic…

Mesoscale and Nanoscale Physics · Physics 2021-06-29 A. Mogulkoc , M. Modarresi , A. N. Rudenko

Two-dimensional (2D) ferromagnets and their heterostructures offer fertile grounds for designing fascinating functionalities in ultra-thin spintronic devices. Here, by first-principles calculations, we report the discovery of energetically…

Materials Science · Physics 2024-06-19 Xiang-Fan Huang , Kang-Jie Li , Zequan Wang , Shi-Bo Zhao , Bing Shen , Zu-Xin Chen , Yusheng Hou

Spin-orbit coupling (SOC) combined with electronic correlation can induce topological phase transition, producing novel electronic states. Here, we investigate the impact of SOC combined with correlation effects on physical properties of…

Materials Science · Physics 2022-03-11 San-Dong Guo , Wen-Qi Mu , Bang-Gui Liu

To date only a few two-dimensional (2D) magnetic crystals were experimentally confirmed, such as CrI3 and CrGeTe3, all with very low Curie temperatures (TC). High-throughput first-principles screening over a large set of materials yields 89…

Materials Science · Physics 2018-12-18 Hang Liu , Jia-Tao Sun , Miao Liu , Sheng Meng

Recently we have demonstrated the presence of spin-orbit toque in FeMn/Pt multilayers which, in combination with the anisotropy field, is able to rotate its magnetization consecutively from 0o to 360o without any external field. Here, we…

Materials Science · Physics 2017-06-28 Ziyan Luo , Yumeng Yang , Yanjun Xu , Mengzhen Zhang , Baoxi Xu , Jingsheng Chen , Yihong Wu

Magnetic anisotropy plays an essential role in information technology applications of magnetic materials, providing a means to retain the long-term stability of a magnetic state in the presence of thermal fluctuations. Anisotropy consists…

Materials Science · Physics 2020-08-05 Richard F. L. Evans , Levente Rózsa , Sarah Jenkins , Unai Atxitia

In order to probe the magnetic ground state, we have carried out temperature dependent magnetic Compton scattering experiments on an oriented single crystal of magnetite (Fe$_3$O$_4$), together with the corresponding first-principles band…

Strongly Correlated Electrons · Physics 2007-10-11 Yinwan Li , P. A. Montano , B. Barbiellini , P. E. Mijnarends , S. Kaprzyk , A. Bansil

Recent realizations of intrinsic, long-range magnetic orders in two-dimensional (2D) van der Waals materials have ignited tremendous research interests. In this work, we employ the XXZ Heisenberg model and Monte Carlo simulations to study a…

Mesoscale and Nanoscale Physics · Physics 2020-03-17 Xiaobo Lu , Ruixiang Fei , Li Yang