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Related papers: Prediction of a surface magnetic moment in alpha-u…

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We report calculations indicating the presence of a surface magnetic moment for Rh(001), motivated by the detection of a finite moment by magnetic linear dichroism experiments. We show that, while the density functional with the local…

Materials Science · Physics 2009-11-11 N. Stojic , N. Binggeli , M. Altarelli

Recent calculations, concerning the magnetism of uranium in the U/Fe multilayer system have described the spatial dependence of the 5f polarization that might be expected. We have used the x-ray resonant magnetic reflectivity technique to…

We claim the existence of the f3 (U3+) configuration in UPd2Al3. It is in agreement with inelastic-neutron-scattering (INS) excitations and is consistent with the trivalent neptunium configuration in NpPd2Al3. We have derived set of CEF…

Strongly Correlated Electrons · Physics 2015-06-24 R. J. Radwanski , Z. Ropka

The Augmented Space Formalism coupled with Recursion method and Density Functional Theory based Tight-Binding Linear Muffin-Tin Orbitals have been applied for a first principles calculation of surface electronic and magnetic properties of…

Materials Science · Physics 2014-10-14 Priyadarshini Parida , Biplab Ganguli , Abhijit Mookerjee

The first-principles full-potential linearized augmented plane-wave method based on density functional theory is used to investigate electronic structure and magnetic properties of hypothetical binary compounds of I$^{A}$ subgroup elements…

Materials Science · Physics 2008-09-14 Krzysztof Zberecki , Leszek Adamowicz , Michał Wierzbicki

Electronic and magnetic properties of the fcc Americium (001) surface have been investigated via full-potential all-electron density-functional electronic structure calculations at both scalar and fully relativistic levels. Effects of…

Strongly Correlated Electrons · Physics 2009-11-11 Da Gao , Asok K. Ray

The orbital and spin magnetic moments, and the X-ray-magnetic circular-dichroism (XMCD) spectra at the $M_{4,5}$ edges of the U atoms in a UAs/Co multilayer and in an $\alpha$-U film are calculated within the framework of the…

Strongly Correlated Electrons · Physics 2009-11-10 Matej Komelj , Natasa Stojic

In comparison to 3d or 4f metals, magnetism in actinides remains poorly understood due to experimental complications and the exotic behavior of the 5f states. In particular, plutonium metal is most especially vexing. Over the last five…

Strongly Correlated Electrons · Physics 2008-12-22 G. van der Laan , K. T. Moore

First principles calculations of the O surfaces of Co-ZnO show that substitutional Co ions develop large magnetic moments which long-range coupling depends on their mutual distance. The local spin polarization induced at the O atoms is…

Materials Science · Physics 2009-11-13 N. Sanchez , S. Gallego , M. C. Munoz

We report on the origin of ferromagnetic like behaviour observed for 2.4 nm size Pd nanoparticles. Localised magnetic moments on metallic surfaces have been recently shown to induce orbital motion of the itinerant electrons via spin-orbit…

Materials Science · Physics 2007-05-23 A. Hernando , B. Sampedro , M. A. Garcia , P. Marin , G. Rivero , P. Crespo , J. M. Gonzalez

Uranium dihydride UH2 is a metastable phase unknown in bulk form but accessible through thin-film synthesis. We prepared UH2 films by reactive dc sputtering on CaF2(001) or Si(001) substrates, the latter equipped with a Mo buffer layer to…

In the majority of magnetic systems the surface is required to order at the same temperature as the bulk. In the present study, we report a distinct and unexpected surface magnetic phase transition, uniquely at a lower temperature than the…

Strong magnetocrystalline anisotropy is a well-known property of uranium compounds. The almost isotropic ferromagnetism in $\mathrm{U_{4}Ru_{7}Ge_{6}}$ reported in this paper represents a striking exception. We present results of…

Strongly Correlated Electrons · Physics 2017-03-02 Michal Vališka , Martin Diviš , Vladimír Sechovský

We calculate the magnetism of 3d transition metals on Au(110)-(1$\times$2) surface and Au(111) surface based on the Density Functional Theory. Our results show that the spin moments of the two-side elements of the 3d group such as Ti, V, Co…

Materials Science · Physics 2007-06-07 W. Fan , X. G. Gong

We propose a method to determine the direction of surface magnetization and local magnetic moments on the atomic scale. The method comprises high resolution scanning tunneling microscope experiments in conjunction with first principles…

Materials Science · Physics 2009-11-07 W. A. Hofer , A. J. Fisher

We report complex ac magnetic susceptibility measurements of a superconducting transition in very high-quality single-crystal alpha-uranium using microfabricated coplanar magnetometers. We identify an onset of superconductivity at T~0.7 K…

We use a combination of density functional theory and Monte Carlo calculations to calculate the surface magnetization in magnetoelectric $\mathrm{Cr_2O_3}$ at finite temperatures. Such antiferromagnets, lacking both inversion and…

Materials Science · Physics 2023-04-19 Sophie F. Weber , Nicola A. Spaldin

The electron magnetic moment,$-\mu/\mu_B = g/2 = 1.001 \, 159 \, 652 \, 180 \, 59 \, (13) \, [0.13\, \rm{ppt}]$, is determined 2.2 times more accurately than the value that stood for 14 years. The most precisely determined property of an…

Atomic Physics · Physics 2023-11-14 X. Fan , T. G. Myers , B. A. D. Sukra , G. Gabrielse

We argue that at zero temperature an isolated metal particle (or an AB ring) with spin-orbit interaction and odd number of electrons will have a permanent magnetic moment, even in zero magnetic field (flux). In a zero-field-cooled state…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 R. A. Serota

Graphene has various potential applications in electronics and scientists are seeking to introduce magnetic properties on graphene. Here we report our theoretical findings that a local magnetic moment as large as 1 $\mu_B$ can be generated…

Materials Science · Physics 2009-12-01 Xiang He , Zhao-Xu Chen , Zhaosheng Li , Zhigang Zou
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