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Related papers: X-ray absorption and x-ray magnetic dichroism stud…

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X-ray absorption spectroscopy (XAS) as well as x-ray magnetic circular dichroism (XMCD) and magnetization of hybrid pyrochlore Eu2-xFexTi2O7 were investigated, where the rare earth Eu (4f) was replaced with transition metal Fe (3d) to…

Polarization dependent x-ray absorption spectroscopy was used to study the magnetic ground state and the orbital occupation in bulk-phase VI$_3$ van der Waals crystals below and above the ferromagnetic and structural transitions. X-ray…

Strongly Correlated Electrons · Physics 2023-07-19 R. Sant , A. De Vita , V. Polewczyk , G. Pierantozzi , F. Mazzola , G. Vinai , G. van der Laan , G. Panaccione , N. B. Brookes

We report results of structural, magnetic and transport properties of single crystal CaRu1-xCrxO3 (0≤x≤0.36) and SrRu1-xCrxO3 (0≤x≤0.30). Cr substitution as low as x=0.08 drives CaRu1-xCrxO3 from the paramagnetic…

Strongly Correlated Electrons · Physics 2007-05-23 V. Durairaj , E. Elhami , S. Chikara , X. N. Lin , A. Douglass , G. Cao P. Schlottmann , E. S. Choi , R. P. Guertin

Optical absorption and transverse Kerr effect spectra, resistivity and magnetoresistance of La$_{1-x}$Sr$_{x}$CoO$_3$ ($x=0.15, 0.25, 0.35$) films have been studied. The temperature dependencies of the optical and magneto-optical properties…

The p-electrons of carbon in the interstitial compound Fe3C hybridize with the Fe d-band and enhance the valence electron concentration of Fe from 8 to 8.67. At this concentration, substitutional 3d transition metals and alloys exhibit…

Materials Science · Physics 2007-05-23 E. Duman , M. Acet , E. F. Wassermann , J. P. Itie , F. Baudelet , O. Mathon , S. Pascarelli

CuFeO_2 is one of the multiferroic materials and is the first case that the electric polarization is not explained by the magnetostriction model or the spin-current model. We have studied this material using soft x-ray resonant diffraction…

The spin-web compound Cu3TeO6, belongs to an intriguing group of materials where magnetism is governed by 3d9 copper Cu2+ ions. This compound has been sparsely experimentally studied and we here present the first investigation of its local…

Strongly Correlated Electrons · Physics 2013-07-30 Martin Mansson , Krunoslav Prsa , Jun Sugiyama , Daniel Andreica , Hubertus Luetkens , Helmuth Berger

Electronic band structure calculations using the augmented spherical wave method have been performed for CuCrO2. For this antiferromagnetic (T_N = 24 K) semiconductor crystallizing in the delafossite structure, it is found that the valence…

The cobalt-intercalated transition metal dichalcogenide Co$_x$TaS$_2$ hosts a rich landscape of magnetic phases that depend sensitively on $x$. While the stoichiometric compound with $x=1/3$ exhibits a single magnetic transition, samples…

Strongly Correlated Electrons · Physics 2025-07-18 Jonathon Kruppe , Josue Rodriguez , Catherine Xu , James Analytis , Joseph Orenstein , Veronika Sunko

Sputtered thin films of binary YxCo1-x with 0 < x < 0.54 and thickness 15 nm are investigated to help understand the ferromagnetism of cobalt in amorphous rare-earth cobalt alloys. The magnetic moment per cobalt falls to zero at x0 = 0.50,…

Materials Science · Physics 2023-10-02 Zexiang Hu , Jean Besbas , Katarzyna Siewierska , Ross Smith , Plamen Stamenov , J. M. D. Coey

With x-ray absorption spectroscopy we investigated the orbital reconstruction and the induced ferromagnetic moment of the interfacial Cu atoms in YBa$_2$Cu$_3$O$_{7}$/La$_{2/3}$Ca$_{1/3}$MnO$_3$ (YBCO/LCMO) and…

Strongly Correlated Electrons · Physics 2015-04-28 M. A. Uribe-Laverde , S. Das , K. Sen , I. Marozau , E. Perret , A. Alberca , J. Heidler , C. Piamonteze , M. Merz , P. Nagel , S. Schuppler , D. Munzar , C. Bernhard

The coupled valence and spin state transition (VSST) taking place in (Pr0.7Sm0.3)0.7Ca0.3CoO3 was investigated by soft x-ray absorption spectroscopy (XAS) experiments carried out at the Pr-M4,5, Co-L2,3, and O-1s edges. This VSST is found…

Strongly Correlated Electrons · Physics 2015-06-15 F. Guillou , Q. Zhang , Z. Hu , C. Y. Kuo , Y. Y. Chin , H. J. Lin , C. T. Chen , A. Tanaka , L. H. Tjeng , V. Hardy

Compressed Pr0.5Ca0.5MnO3 films (250nm) deposited on LaAlO3 have been studied by Electron Spin Resonance technique under high frequency and high magnetic field. We show evidences for the presence of a ferromagnetic phase (FM) embedded in…

Strongly Correlated Electrons · Physics 2009-11-10 S. de Brion , G. Storch , G. Chouteau , A. Janossy , W. Prellier , E. Rauwel Buzin

The ferromagnetic superconductor UCoGe has been investigated by high field X-ray magnetic circular dichroism (XMCD) at the U-M$_{4,5}$ and Co/Ge-K edges. The analysis of the branching ratio and XMCD at the U-M$_{4,5}$ edges reveals that the…

Strongly Correlated Electrons · Physics 2015-07-16 M. Taupin , J. -P. Brison , D. Aoki , G. Lapertot , J. -P. Sanchez , F. Wilhelm , A. Rogalev

We have investigated the magnetic behavior of the nano crystals, synthesized by high-energy ball-milling, for a well-known geometrically frustrated spin-chain system, Ca3CoRhO6, and compared its magnetic characteristics with those of the…

Strongly Correlated Electrons · Physics 2015-05-13 Niharika Mohapatra , Kartik K Iyer , B. A. Chalke , E. V. Sampathkumaran

The magnetic behavior of the Ca3Co2O6 spin chain compound is characterized by a large Ising-like character of its ferromagnetic chains, set on triangular lattice, that are antiferromagnetically coupled. At low temperature, T < 7K, the 3D…

Strongly Correlated Electrons · Physics 2007-05-23 A. Maignan , V. Hardy , S. Hebert , M. Drillon , M. R. Lees , O. Petrenko , D. Mc K. Paul , D. Khomskii

Using the fully-relativistic screened Korringa-Kohn-Rostoker method I study the orbital magnetism in the half-metallic Heusler alloys. Orbital moments are almost completely quenched and they are negligible with respect to the spin moments.…

Materials Science · Physics 2009-11-10 I. Galanakis

Experimental and theoretical studies are performed on La3Ir3O11, an iridate hosting a +4.33 fractional valence state for Ir ions and a three-dimensional frustrated structure composed of edge-shared Ir2O10 dimers. These features are expected…

Strongly Correlated Electrons · Physics 2019-11-11 J. Yang , J. R. Wang , W. L. Zhen , L. Ma , L. S. Ling , W. Tong , C. J. Zhang , L. Pi , W. K. Zhu

Impurity $Fe^{3+}$ ion electron spin resonance (ESR) spectroscopy using multiple dielectric modes in a $SrTiO_3$ dielectric resonator has been performed with a tuneable DC magnetic field of up to $1.6~T$. The $Ti^{4+}(d^0)$ ion is…

Quantum Physics · Physics 2024-03-26 M. A. Hosain , J-M. Le Floch , J. Krupka , M. E. Tobar

Sr$_{3}$ZnIrO$_{6}$ is an effective spin one-half Mott insulating iridate belonging to a family of magnets which includes a number of quasi-one dimensional systems as well as materials exhibiting three dimensional order. Here we present the…

Strongly Correlated Electrons · Physics 2020-05-19 P. A. McClarty , A. D. Hillier , D. T. Adroja D. D. Khalyavin , S. Rayaprol , P. Manuel , W. Kockelmann , E. V. Sampathkumaran