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We present resonant x-ray emission spectroscopic (RXES) data from the uranium intermetallics UPd$_3$, USb, USn$_3$ and URu$_2$Si$_2$, at the U $M_{4,5}$ edges and compare the data to those from the well-localized $5f^2$ semiconductor…

Strongly Correlated Electrons · Physics 2017-06-12 K. O. Kvashnina , H. C. Walker , N. Magnani , G. H. Lander , R. Caciuffo

Non-resonant inelastic x ray scattering (NIXS) experiments have been performed to probe the 5d-5f electronic transitions at the uranium O(4,5) absorption edges in uranium dioxide. For small values of the scattering vector q, the spectra are…

Strongly Correlated Electrons · Physics 2013-12-19 R. Caciuffo , G. van der Laan , L. Simonelli , T. Vitova , C. Mazzoli , M. A. Denecke , G. H. Lander

Understanding the electronic structure of actinide materials is crucial for both fundamental research and nuclear applications. The partially filled 5f shells exhibit complex behavior due to strong correlations and ligand hybridization,…

A resonant inelastic x-ray scattering study of the electronic structure of the semiconductor cuprous oxide, $\rm Cu_2O$, is reported. When the incident x-ray energy is tuned to the Cu K-absorption edge, large enhancements of the spectral…

Materials Science · Physics 2012-06-18 Young-June Kim , J. P. Hill , H. Yamaguchi , T. Gog , D. Casa

This paper provides a brief overview of applications of advanced X-ray spectroscopic techniques that take advantage of the resonant inelastic X-ray scattering (RIXS) in the hard and tender x-ray range and have recently become available for…

Materials Science · Physics 2014-01-08 K. O. Kvashnina , S. M. Butorin

X-ray absorption and resonant X-ray emission measurements at the O 1s edge of the uranium oxides UO2, U3O8 and UO3 are presented. The spectral shapes of the O K{\alpha} X-ray emission spectra of UO3 exhibit significant excitation energy…

Strongly Correlated Electrons · Physics 2011-12-30 M. Magnuson , S. M. Butorin , L. Werme , J. Nordgren , K. Ivanov , J. -H. Guo , D. K. Shuh

We present a theory of the resonant inelastic x-ray scattering (RIXS) to study electronic excitations in orbital ordered manganites. The charge and orbital excitations of the Mn 3d electron are caused by the Coulomb interactions in the…

Strongly Correlated Electrons · Physics 2009-10-31 H. Kondo , S. Ishihara , S. Maekawa

We present a theoretical investigation of the origin of Raman-like and fluorescencelike (FL) features of resonant inelastic x-ray scattering (RIXS) spectra. Using a combination of local-density approximation + dynamical mean-field theory…

Strongly Correlated Electrons · Physics 2018-09-26 Atsushi Hariki , Mathias Winder , Jan Kuneš

We theoretically demonstrate that a resonant inelastic x-ray scattering (RIXS) with a sizable momentum transfer can be utilized to study valence band dispersion for broad band materials. We take RIXS at the Si K edge of 3C-SiC as a typical…

Materials Science · Physics 2009-09-21 Yunori Nisikawa , Muneharu Ibuki , Manabu Usuda

Resonant X-ray scattering (RXS) is a spectroscopy where both the power of site selective diffraction and the power of local absorption spectroscopy regarding atomic species are combined. By virtue of the dependence on the core level state…

Materials Science · Physics 2007-11-12 Yves Joly , Elena S. Nazarenko , José-Emilio Lorenzo , Sergio Di Matteo , Calogero R. Natoli

We investigate mixed-valence oxide Co$_3$O$_4$ using Co $2p3d$ resonant inelastic X-ray scattering (RIXS). By setting resonant edges at Co$^{2+}$ and Co$^{3+}$ ions, the $dd$ excitations on the two Co sites are probed selectively, providing…

We analyze within quasi-particle theory a recent resonant inelastic x-ray scattering (RIXS) experiment on $\mathrm{YBa_2Cu_3O_{6+x}}$ with the incoming photon energy detuned at several values from the resonance maximum [Minola et al., Phys.…

Materials Science · Physics 2016-12-13 Márton Kanász-Nagy , Yifei Shi , Israel Klich , Eugene A. Demler

Using a model Hamiltonian, we discuss how we could interpret data obtained from transition metal $K$-edge resonant inelastic x-ray scattering (RIXS) experiments. By analyzing the creation of valence excitations from the screening of the…

Materials Science · Physics 2008-08-08 K. H. Ahn , A. J. Fedro , Michel van Veenendaal

Element- and site-specific resonant inelastic x-ray scattering spectroscopy (RIXS) is employed to investigate electron correlation effects in {$\rm NaV_2O_5$}. In contrast to single photon techniques, RIXS at the vanadium $L_3$ edge is able…

Strongly Correlated Electrons · Physics 2009-11-07 G. P. Zhang , T. A. Callcott , G. T. Woods , L. Lin , Brian Sales , D. Mandrus , J. He

We have investigated the electronic structure of Ba3InIr2O9 within the density-functional theory (DFT) using the generalized gradient approximation while considering strong Coulomb correlations (GGA+$U$) in the framework of the fully…

Strongly Correlated Electrons · Physics 2025-02-26 D. A. Kukusta , L. V. Bekenov , V. N. Antonov

We present calculations for resonant inelastic x-ray scattering (RIXS) in edge-shared copper oxide systems, such as CuGeO$_{3}$ and Li$_{2}$CuO$_{2}$, appropriate for hard x-ray scattering where the photoexcited electron lies above oxygen…

Strongly Correlated Electrons · Physics 2009-11-13 F. Vernay , B. Moritz , I. Elfimov , J. Geck , D. Hawthorn , T. P. Devereaux , G. A. Sawatzky

We study the electronic structure of Ta2NiSe5 in its low-temperature semiconducting phase, using resonant inelastic x-ray scattering (RIXS) at the Ta L3 edge. We also investigate the electronic properties of Ta2NiSe5 within the…

Strongly Correlated Electrons · Physics 2024-12-23 D. A. Kukusta , L. V. Bekenov , A. N. Yaresko , K. Ishii , T. Takayama , H. Takagi , V. N. Antonov

The Am $5d$-$5f$ resonant inelastic x-ray scattering (RIXS) data of americium sesquioxide were measured at incident photon energies throughout the Am $O_{4,5}$ edges. The experiment was supported by calculations using several model…

Strongly Correlated Electrons · Physics 2023-09-06 Sergei M. Butorin , David K. Shuh

Generic low-energy spectral features related to $d$-$d$ excitations in nearly cubic vanadium perovskites are predicted for the expected $L$-edge resonant inelastic X-ray scattering (RIXS) measurements. Model Hamiltonian describing local…

Strongly Correlated Electrons · Physics 2013-01-22 V. Yushankhai , L. Siurakshina

We develop a formalism for calculating resonant inelastic x-ray scattering (RIXS) spectra in systems of itinerant electrons with arbitrary band structures, accounting for the effect of the positively-charged core hole exactly. We apply this…

Superconductivity · Physics 2013-12-24 David Benjamin , Israel Klich , Eugene Demler
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