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Related papers: Complex electronic structure of Ca(1-x)Sr(x)RuO(3)

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We present calculated electron excitation spectra for the LaMO_3 series (M=Cr-Ni) obtained within ab-initio band structure calculations for the real geometric and magnetic structures. The calculated results show good agreement with the…

Strongly Correlated Electrons · Physics 2009-10-28 D. D. Sarma , N. Shanthi , Priya Mahadevan

We use angle-resolved photoemission to study the three dimensional (3D) electronic structure of Co pnictides ACo2As2 with A=Ba, Sr, Ca or a mixture of Sr and Ca. These compounds are isostructural to Fe based superconductors, but have one…

Strongly Correlated Electrons · Physics 2017-01-04 Joseph Mansart , Patrick Le Fevre , Francois Bertran , Anne Forget , Dorothee Colson , Veronique Brouet

We investigate the role of electron correlation and disorder on the electronic structure of layered nickelate (La$_{0.5}$Sr$_{0.5}$)$_2$NiO$_4$ using core level and valence band photoemission spectroscopy in conjunction with density…

Strongly Correlated Electrons · Physics 2024-04-26 Sakshi Bansal , R. K. Maurya , Asif Ali , B. H. Reddy , Ravi Shankar Singh

Novel two-dimensional electron systems at the interfaces and surfaces of transition-metal oxides recently have attracted much attention as they display tunable, intriguing properties that can be exploited in future electronic devices. Here…

Single crystals of the perovskite-type $3d^{1}$ metallic alloy system Ca$_{1-x}$Sr$_x$VO$_3$ were synthesized in order to investigate metallic properties near the Mott transition. The substitution of a Ca$^{2+}$ ion for a Sr$^{2+}$ ion…

Strongly Correlated Electrons · Physics 2009-10-31 I. H. Inoue , O. Goto , H. Makino , N. E. Hussey , M. Ishikawa

The structural and electronic properties of thermally reduced SrTiO3(100) single crystals have been investigated using a probe with real- and reciprocal-space sensitivity: a synchrotron radiation microsopic setup which offers the…

Materials Science · Physics 2012-03-20 Emmanouil Frantzeskakis , Jose Avila , Maria C. Asensio

The locally self-consistent real space multiple scattering technique has been applied to calculate the electronic structure and chemical binding for the c(2x2)O/Cu(001) system, as a function of $d_{O-Cu1}$ -- the height of oxygen above the…

Materials Science · Physics 2009-11-07 Sergey Stolbov , Abdelkader Kara , Talat S. Rahman

The electronic structure and chemical bonding of the recently discovered inverse perovskite Sc3AlN, in comparison to ScN and Sc metal have been investigated by bulk-sensitive soft x-ray emission spectroscopy. The measured Sc L, N K, Al L1,…

The electronic structure of Sr0.35CoO2, structurally analogous to the layered NaxCoO2, has been evaluated using the local spin density approximation (LSDA). We find that evident c-dispersions appear in both the e'g and a1g Co-derived bands,…

Strongly Correlated Electrons · Physics 2007-05-23 R. J. Xiao , H. X. Yang , L. F. Xu , H. R. Zhang , Y. G. Shi , J. Q. Li

We have studied the electronic structure of unoccupied states measured by O K-edge and Cu L-edge x-ray absorption spectroscopy (XAS), combined with crystal structure studied by high resolution powder x-ray diffraction (HRPXRD), of…

Superconductivity · Physics 2014-03-28 S. Agrestini , S. Sanna , K. Zheng , R. De Renzi , E. Pusceddu , G. Concas , N. L. Saini , A. Bianconi

The electronic structure of the infinite layer compound CaCuO$_2$ has been calculated with the B3LYP hybrid density functional. The mixing of the Hartree-Fock exchange in the exchange-correlation energy separated the bands crossing Fermi…

Strongly Correlated Electrons · Physics 2007-05-23 Xiao-Bing Feng , N. M. Harrison

We investigate the electronic structure of the metallic NiS$_{1-x}$Se$_x$ system using various electron spectroscopic techniques. The band structure results do not describe the details of the spectral features in the experimental spectrum,…

Strongly Correlated Electrons · Physics 2009-10-31 S. R. Krishnakumar , N. Shanthi , Priya Mahadevan , D. D. Sarma

The single-layered perovskite Ca$_2$RuO$_4$, characterized by a 4$d^4$ electron configuration, has been studied from first principles using density functional theory (DFT) using the generalized gradient approximation, with inclusion of…

Strongly Correlated Electrons · Physics 2025-11-26 D. A. Kukusta , L. V. Bekenov , P. F. Perndorfer , D. V. Vyalikh , P. A. Buczek , A. Ernst , V. N. Antonov

Measurements by high-resolution electron energy-loss spectroscopy (HREELS) of NaxCoO2 reveal spectral features that differ remarkably between the metallic Na0.33CoO2 and the charge-ordered insulator Na0.5CoO2. Calculations by density…

Strongly Correlated Electrons · Physics 2007-05-23 R. J. Xiao , J. H. Chen , H. X. Yang , C. Ma , Q. Xu , H. W. Zandbergen , J. Q. Li

We have performed x-ray photoemission spectroscopy on the system of noncentrosymmetric superconductor, Li$_2$(Pd$_x$Pt$_{1-x}$3)B. For Li$_2$Pt$_3$B, we found 2 major peaks with 2 other weak components, and the band calculations were in…

We studied LaAlO3/SrTiO3 interfaces for varying LaAlO3 thickness by core-level photoemission spectroscopy. In Ti 2p spectra for conducting "n-type" interfaces, Ti3+ signals appeared, which were absent for insulating "p-type" interfaces. The…

Materials Science · Physics 2015-05-28 M. Takizawa , S. Tsuda , T. Susaki , H. Y. Hwang , A. Fujimori

We have investigated the electronic structure of $\mathrm{Sr}_{1-y}\mathrm{Ca}_{y}\mathrm{Fe_{2}}(\mathrm{As}_{1-x}\mathrm{P}_{x}\mathrm{)_{2}}$ ($x$ = 0.25, $y$ = 0.08) by means of angle-resolved photoemission spectroscopy. From the…

We report the bulk sensitive Hard X-ray (hv=5.95keV) core level photoemission spectroscopy to investigate the intrinsic electronic structure of strained (La0.85Ba0.15)MnO3 thin films. In a 20nm thick well-strained film with strongly…

The excitation energy dependence of the three-hole satellites in the L3-M4,5M4,5 and L2-M4,5M4,5 Auger spectra of nickel metal has been measured using synchrotron radiation. The satellite behavior in the non-radiative emission spectra at…

Materials Science · Physics 2011-12-30 M. Magnuson , N. Wassdahl , A. Nilsson , A. Föhlisch , J. Nordgren , N. Mårtensson

Rutile RuO$_2$ has attracted significant interest due to its putative unconventional electronic and magnetic properties and its proximity to superconductivity. However, the measurement and interpretation of its electronic structure has been…

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