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Related papers: X-ray circular dichroism versus orbital magnetizat…

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We present a discussion of published x-ray magnetic circular dichroism (XMCD) measurements performed at the uranium M_4,5 edges of metallic uranium compounds, focusing on the shape of the dichroic signal at the M_5 edge. A well resolved…

Strongly Correlated Electrons · Physics 2015-06-24 P. Dalmas de Reotier , A. Yaouanc

We present numerical simulation of the X-ray magnetic circular dichroism (XMCD) of the $L_{2,3}$ and $M_{2,3}$ edges of Ru in antiferromagnetic RuO$_2$ using a combination of density functional + dynamical mean-field theory and…

Strongly Correlated Electrons · Physics 2024-03-13 A. Hariki , Y. Takahashi , J. Kuneš

Magneto-optical properties of the ferromagnetic semiconductor GaMnAs are studied in a material specific multi-band tight-binding approach. Two realistic models are compared: one has no impurity band while the other shows an impurity band…

Materials Science · Physics 2009-10-14 M. Turek , J. Siewert , J. Fabian

High-throughput X-ray magnetic circular dichroism (XMCD) spectroscopy was conducted on Fe-Co-Ni compositionally graded films to systematically analyze the variation of magnetic properties as a function of composition. On-the-fly XMCD…

Materials Science · Physics 2025-06-27 Y. Yamasaki , N. Sasabe , Y. Ishii , Y. Sekiguchi , A. Sumiyoshiya , Y. Tanimoto , Y. Kotani , T. Nakamura , H. Nomura

In this letter we demonstrate universal symmetry breaking by means of magnetically induced circular dichroism. Magnetic field induces forbidden at zero field atomic transitions between $\Delta F = \pm2$ hyperfine levels. In a particular…

Atomic Physics · Physics 2017-08-31 A. Tonoyan , A. Sargsyan , E. Klinger , G. Hakhumyan , C. Leroy , M. Auzinsh , A. Papoyan , D. Sarkisyan

Experiments of time-resolved x-ray magnetic circular dichroism (Tr-XMCD) and resonant x-ray scattering at a beamline BL07LSU in SPring-8 with a time-resolution of under 50 ps are presented. A micro-channel plate is utilized for the Tr-XMCD…

In this work we present a detailed analysis on the performance of X-ray magnetic circular dichroism photo-emission electron microscopy (XMCD-PEEM) as a tool for vector reconstruction of the magnetization. For this, we choose 360$^{\circ}$…

The difference in the transmission for left and right circularly polarised light though thin films on substrates in a magnetic field is used to obtain the magnetic circular dichroism of the film. However there are reflections at all the…

Materials Science · Physics 2015-05-14 Wala Dizayee , Minju Ying , A. Mark Fox , Gillian A. Gehring

We have performed a theoretical study of the magnetic circular dichroism in the x-ray absorption spectra (XMCD) of the equiatomic CoPt and FePt ordered alloys as a function of the spin quantization axis. We found that the magnetization axis…

Materials Science · Physics 2007-05-23 I. Galanakis , M. Alouani , H. Dreyssé

In the highly non-equilibrium conditions of laser induced spin dynamics magnetic moments can only be obtained from the spectral information, most commonly from the spectroscopy of semi-core states using the so-called x-ray magnetic circular…

Materials Science · Physics 2021-04-05 S. Shallcross , J. K. Dewhurst , P. Elliott , S. Eisebitt , C. von Korff Schmising , S. Sharma

Ferrimagnetic alloys are extensively studied for their unique magnetic properties leading to possible applications in perpendicular magnetic recording, due to their deterministic ultrafast switching and heat assisted magnetic recording…

Materials Science · Physics 2019-12-04 Chen Luo , Hanjo Ryll , Christian H. Back , Florin Radu

X-ray resonant magnetic reflectivity (XRMR) allows for the simultaneous measurement of structural, optical and magnetooptic properties and depth profiles of a variety of thin film samples. However, a same-beamtime same-sample systematic…

Co islands and films are characterized by x-ray magnetic circular dichroism photoemission electron microscopy (XMCD-PEEM). The spatial resolution capabilties of the technique together with atomic growth control permit obtaining perfectly…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 A. Mascaraque , L. Aballe , J. F. Marco , T. O. Mentes , F. El Gabaly , C. Klein , A. K. Schmid , K. F. McCarty , A. Locatelli , J. de la Figuera

One of the most challenging issues in the characterization of magnetic materials is to obtain quantitative analysis on the nanometer scale. Here we describe how electron magnetic circular dichroism (EMCD) measurements using the transmission…

The relation between crystal symmetries, electron correlations, and electronic structure steers the formation of a large array of unconventional phases of matter, including magneto-electric loop currents and chiral magnetism. Detection of…

We present a derivation of the orbital and spin sum rules for magnetic circular dichroic spectra measured by electron energy loss spectroscopy in a transmission electron microscope. These sum rules are obtained from the differential cross…

Other Condensed Matter · Physics 2009-11-13 L. Calmels , F. Houdellier , B. Warot-Fonrose , C. Gatel , M. J. Hÿtch , V. Serin , E. Snoeck , P. Schattschneider

A systematic ab initio study is performed for the spin and orbital moments and for the validity of the sum rules for x-ray magnetic circular dichroism for Fe systems with various dimensionality (bulk, Pt-supported monolayers and monatomic…

Materials Science · Physics 2009-11-10 Claude Ederer , Matej Komelj , Manfred Faehnle

X-ray magnetic circular dichroism (XMCD) measurements on single-crystal and powder samples of Ba$_{0.6}$K$_{0.4}$Mn$_{2}$As$_{2}$ show that the ferromagnetism below $T_{\textrm{C}}\approx$ 100 K arises in the As $4p$ conduction band. No…

Altermagnets are compensated collinear magnets that break time-reversal symmetry without net magnetization, enabling unconventional magneto-optical responses. Here, altermagnetic X-ray magnetic circular dichroism (XMCD) is experimentally…

Strongly Correlated Electrons · Physics 2026-03-03 Y. Ishii , N. Sasabe , Y. Yamasaki

X-ray beams with orbital angular momentum (OAM) are a promising tool for x-ray characterization techniques. Beams with OAM have a helicity--an azimuthally varying phase--which leads to a gradient of the light field. New material properties…