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Throughout a complete Electron Spin Resonance (ESR) and magnetization study of La0.5Ca0.5MnO3, we discuss about the nature of the complex phase-segregated state established in this compound below T~210 K. Between TN<T<TC, the ESR spectra…

Materials Science · Physics 2009-11-07 F. Rivadulla , M. Freita-Alvite , M. A. Lopez-Quintela , L. E. Hueso , D. R. Miguens , P. Sande , J. Rivas

Rare-earth (RE) compounds have been of enormous interest in condensed matter physics as a platform for the exploration of interesting physical phenomena. Here, we report the successful single crystal growth of HoB$_{2}$, which exhibits a…

Strongly Correlated Electrons · Physics 2025-07-24 Takafumi D. Yamamoto , Hiroyuki Takeya , Kensei Terashima , Akiko T. Saito , Yoshihiko Takano

The electronic structure and intrinsic magnetic properties of $\text{Fe}_2\text{AlB}_2$-related compounds and their alloys have been investigated using density functional theory. For $\text{Fe}_2\text{AlB}_2$, the crystallographic $a$ axis…

Materials Science · Physics 2017-03-22 Liqin Ke , Bruce N. Harmon , Matthew J. Kramer

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…

Materials Science · Physics 2013-05-22 Junjie He , Pan Zhou , N. Jiao , S. Y. Ma , K. W. Zhang , R. Z. Wang , L. Z. Sun

The atomic structures, electronic band structures and magnetic properties of monolayer FeSe and FeSe$_{0.5}$Te$_{0.5}$ of different configurations have been systematically investigated via first-principles calculations with the inclusion of…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Menglei Li , Fawei Zheng , Ping Zhang

Using exact optimization methods, we find all of the ground states of +/- h random-field Ising magnets (RFIM) and of dilute antiferromagnets in a field (DAFF). The degenerate ground states are usually composed of isolated clusters…

Disordered Systems and Neural Networks · Physics 2007-05-23 Sorin Bastea , Philip M. Duxbury

The anisotropy of the Fe-based superconductors is much smaller than that of the cuprates and the theoretical calculations. A credible understanding for this experimental fact is still lacking up to now. Here we experimentally study the…

Superconductivity · Physics 2017-06-28 Yonghui Ma , Qiucheng Ji , Kangkang Hu , Bo Gao , Wei Li , Gang Mu , Xiaoming Xie

Magnetic moments intercalated into layered transition metal dichalcogenides are an excellent system for investigating the rich physics associated with magnetic ordering in a strongly anisotropic, strong spin-orbit coupling environment. We…

Strongly Correlated Electrons · Physics 2015-04-08 Will J. Hardy , Chih-Wei Chen , A. Marcinkova , Heng Ji , Jairo Sinova , D. Natelson , E. Morosan

Antiferromagnetic spintronics actively introduces new principles of magnetic memory, in which the most fundamental spin-dependent phenomena, i.e. anisotropic magnetoresistance effects, are governed by an antiferromagnet instead of a…

Materials Science · Physics 2018-05-08 Chengliang Lu , Bin Gao , Haowen Wang , Wei Wang , Songliu Yuan , Shuai Dong , Jun-Ming Liu

Low density two-dimensional electron gases (2DEGs) with spin-orbit coupling are highly sensitive to an in-plane magnetic field, which impacts their Fermi surfaces and transport properties. Such 2DEGs, formed at transition metal oxide…

Mesoscale and Nanoscale Physics · Physics 2019-06-05 Nazim Boudjada , Ilia Khait , Arun Paramekanti

Spin-torque ferromagnetic resonance (ST-FMR) arises in heavy metal/ferromagnet heterostructures when an alternating charge current is passed through the bilayer stack. The methodology to detect the resonance is based on the anisotropic…

The anisotropy in the electronic structure of the inherently nanolaminated ternary phase Cr$_{2}$GeC is investigated by bulk-sensitive and element selective soft x-ray absorption/emission spectroscopy. The angle-resolved absorption/emission…

Materials Science · Physics 2015-10-01 Martin Magnuson , Maurizio Mattesini , Matthieu Bugnet , Per Eklund

Due to the large perpendicular magnetic anisotropy originating from spin-orbit coupling, magnetoelastic coupling is generally reported in easy-plane magnets with rectangular lattice where the easy magnetization is coupled with the lattice…

Materials Science · Physics 2024-11-08 Yu Liao , Yueqiao Qu , Zuo Li , Yu Chen , Liang Liu , Jun-Zhong Wang , Gang Yao

Ab initio computations within the density functional theory are reported for the spin cross-over complex, [Fe(btz)$_{2}$(NCS)$_{2}$], where 3d$^6$ Fe$^{II}$ is characterized by High Spin (HS t$_{2g}^4$, e$_g^2$) and Low Spin (LS t$_{2g}^6$,…

Soft Condensed Matter · Physics 2008-03-25 L. Kabalan , S. F. Matar , M. Zakhour , J. F. Létard

Ferromagnetism in the two-dimensional CrI$_3$ has generated a lot of excitement, and it was recently proposed that the spin-orbit coupling (SOC) in Iodine may generate bond-dependent spin interactions leading to magnetic anisotropy. Here we…

Strongly Correlated Electrons · Physics 2021-03-17 P. Peter Stavropoulos , Xiaoyu Liu , Hae-Young Kee

Based on results of density functional theory (DFT) calculations with the local spin density approximation (LSDA) and the generalized gradient approximation (GGA), we propose a new magnetic material, CsCl-type FeSe. The calculations reveal…

Materials Science · Physics 2015-05-19 Gul Rahman , In Gee Kim , Arthur J. Freeman

The ground state magnetization process of the S=1 antiferromagnetic chain with the easy-axis single-ion anisotropy described by negative $D$ is investigated. It is numerically found that a phase transition between two different gapless…

Statistical Mechanics · Physics 2009-10-31 Toru Sakai

Magnetisation dynamics in exchange spring magnets have been studied using simulations of the FePt/Fe bilayer system. The FePt hard layer exhibits strong perpendicular magnetocrystalline anisotropy, while the soft (Fe) layer has negligible…

Mesoscale and Nanoscale Physics · Physics 2010-06-29 Pedro M. S. Monteiro , D. S. Schmool

Density-functional calculations are performed to explore magnetoelectric effects originating from the influence of an external electric field on magnetic properties of the Fe/MgO(001) interface. It is shown that the effect on the interface…

Materials Science · Physics 2010-03-31 Manish K. Niranjan , Chun-Gang Duan , Sitaram S. Jaswal , Evgeny Y. Tsymbal

By exploiting density-matrix renormalization group techniques, we investigate the spin dynamics of a spin-1/2 one-dimensional J1-J2 XXZ model with competing ferromagnetic J1 and antiferromagnetic J2 exchange couplings under applied magnetic…

Strongly Correlated Electrons · Physics 2015-06-24 Hiroaki Onishi
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