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Related papers: Hyperfine structure of Sc@C82 from ESR and DFT

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We present an experimental study of macroscopic and microscopic magnetic anisotropy of a spin tetramer system \cso using torque magnetometry and ESR spectroscopy. Large rotation of macroscopic magnetic axes with temperature observed from…

Strongly Correlated Electrons · Physics 2016-08-08 Mirta Herak , Dijana Žilić , Dubravka Matković Čalogović , Helmuth Berger

We present a polarization-resolved and temperature-dependent Raman scattering study of AFe2As2 (A = Ca, Eu). In the spin-density-wave (SDW) phase, spectral weight redistribution is observed in the fully symmetric and non-symmetric…

Strongly Correlated Electrons · Physics 2016-05-09 W. -L. Zhang , Z. P. Yin , A. Ignatov , Z. Bukowski , Janusz Karpinski , Athena S. Sefat , H. Ding , P. Richard , G. Blumberg

We report on the Fe17 high-spin molecular cluster and show that this system is an exemplification of nanostructured dipolar magnetism. Each Fe17 molecule, with spin S=35/2 and axial anisotropy as small as D=-0.02K, is the magnetic unit that…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. Evangelisti , A. Candini , A. Ghirri , M. Affronte , G. W. Powell , I. A. Gass , P. A. Wood , S. Parsons , E. K. Brechin , D. Collison , S. L. Heath

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…

Strongly Correlated Electrons · Physics 2018-03-28 A. V. Sobolev , A. A. Akulenko , I. S. Glazkova , D. A. Pankratov , I. A. Presniakov

Sensing of the geomagnetic field direction by many living organisms is commonly thought to involve radical pairs, such as those formed photochemically between the flavin and tryptophan radicals in the cryptochrome proteins. Previous…

Biological Physics · Physics 2026-02-24 Victor Bezchastnov , Tatiana Domratcheva

We study the dc conductivity of iron-based superconductors within the orbital-selective spin fluctuation scenario. Within this approach, the anisotropy of spin fluctuations below the spin-nematic transition at T$_S$ is also responsible for…

Superconductivity · Physics 2019-04-10 Raquel Fernandez-Martin , Laura Fanfarillo , Lara Benfatto , Belen Valenzuela

Epitaxial graphene/ferromagnetic metal (Gr/FM) heterostructures deposited onto heavy metals (HM) have been proposed for the realization of novel spintronic devices because of their perpendicular magnetic anisotropy and sizeable…

A comprehensive theory of electron spin resonance (ESR) for a Luttinger liquid (LL) state of correlated metals is presented. The ESR measurables such as the signal intensity and the line-width are calculated in the framework of Luttinger…

Strongly Correlated Electrons · Physics 2009-11-13 B. Dóra , M. Gulácsi , J. Koltai , V. Zólyomi , J. Kürti , F. Simon

Recently measured high-field ESR spectra of the spin dimer material TlCuCl3 are described within the framework of an effective field theory. A good agreement between the theory and experiment is achieved, for all geometries and in a wide…

Strongly Correlated Electrons · Physics 2009-11-10 A. K. Kolezhuk , V. N. Glazkov , H. Tanaka , A. Oosawa

We report on study of electrical and structural properties of InSb/GaAs(001) heteroepitaxial layers in [110] and [1-10] crystallographic directions. Strong anisotropy of electron transport parameters measured at a low magnetic field has…

We show that the magnetic anisotropy in spinel-structure CoCr$_2$O$_4$ thin films exhibits a strain dependence in which compressive strain induces an out-of-plane magnetic easy axis and tensile strain an in-plane easy axis, exactly opposite…

We investigated the magnetic properties of the system CuTe2O5 by susceptibility and electron spin resonance measurements. The anisotropy of the effective g-factors and the ESR linewidth indicates that the anticipated structural dimer does…

The existence of approximately 30 noncentrosymmetric metals (NCSM) suggests a contraindication between crystal structures without inversion symmetry and metallic behavior. Those containing oxygen are especially scarce. Here we propose and…

Materials Science · Physics 2014-03-19 Danilo Puggioni , James M. Rondinelli

We present a data-efficient framework for constructing general classical spin Hamiltonians by combining the spin-cluster expansion (SCE) with fully self-consistent noncollinear spin density functional theory (DFT). The key idea is to fit…

Materials Science · Physics 2026-05-26 Tomonori Tanaka , Yoshihiro Gohda

Topological antiferromagnetic systems, which exhibit anisotropic band structures combined with complex relativistic spin structures in momentum space, have shown strong magnetoresistance effects driven by Dirac fermion characteristics.…

Mesoscale and Nanoscale Physics · Physics 2025-05-20 Marius Weber , Kai Leckron , Libor Šmejkal , Jairo sinova , Baerbel Rethfeld , Hans Christian Schneider

Electrons in zero external magnetic field can be studied with density functional theory (DFT) or with spin-DFT (SDFT). The latter is normally used for open shell systems because its approximations appear to model better the exchange and…

Chemical Physics · Physics 2022-04-06 Timothy Callow , Benjamin Pearce , Nikitas Gidopoulos

The hyperfine structure of the interstitial muonium (Mu) in rutile (TiO$_2$, weakly $n$-type) has been identified by means of a muon spin rotation technique. The angle-resolved hyperfine parameters exhibit a tetragonal anisotropy within the…

Materials Science · Physics 2015-08-13 K. Shimomura , R. Kadono , A. Koda , K. Nishiyama , M. Mihara

We study the nuclear properties of even-even superheavy $Z$=120 isotopes and $N$=184 isotones with the Skyrme Hartree-Fock-Bogoliubov (HFB)approach. Within this model we examine the deformation energy surfaces and two paths to fission: a…

Nuclear Theory · Physics 2018-09-21 A. Kosior , A. Staszczak , Cheuk-Yin Wong

The microscopic knowledge of the structural, energetic, and electronic properties of scandium fluoride is still incomplete, despite the relevance of this material as an intermediate for the manufacturing of Al-Sc alloys. In a work based on…

Using the spin-spiral formulation of the tight-binding linear muffin-tin orbital method, the principal components of the exchange stiffness tensor are calculated for typical hard magnets including tetragonal CoPt-type and hexagonal YCo5…

Materials Science · Physics 2009-11-10 K. D. Belashchenko