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Related papers: Resonant inelastic X-ray scattering study of overd…

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We have performed resonant inelastic x-ray scattering (RIXS) near the Cu-K edge on cuprate superconductors La(2-x)Sr(x)CuO(4), La(2-x)Ba(x)CuO(4), La(2-x)Sr(x)Cu(1-y)Fe(y)O(4) and Bi(1.76)Pb(0.35)Sr(1.89)CuO(6+d), covering underdoped to…

Superconductivity · Physics 2015-06-15 S. Wakimoto , K. Ishii , H. Kimura , K. Ikeuchi , M. Yoshida , T. Adachi , D. Casa , M. Fujita , Y. Fukunaga , T. Gog , Y. Koike , J. Mizuki , K. Yamada

We present a resonant inelastic x-ray scattering (RIXS) study of spin and charge excitations in overdoped La1.77Sr0.23CuO4 along two high-symmetry directions. The line shape of these excitations is analyzed and they are shown to be highly…

Superconductivity · Physics 2016-02-05 C. Monney , T. Schmitt , C. E. Matt , J. Mesot , V. N. Strocov , O. J. Lipscombe , S. M. Hayden , J. Chang

We report a resonant inelastic x-ray scattering (RIXS) study of the doping dependence of charge-transfer excitations in $\rm La_{2-x}Sr_xCuO_4$. The mome ntum dependence of these charge excitations are studied over the whole Brillouin zone…

Strongly Correlated Electrons · Physics 2009-11-10 Young-June Kim , J. P. Hill , Seiki Komiya , Yoichi Ando , D. Casa , T. Gog , C. T. Venkataraman

We have performed neutron inelastic scattering and resonant inelastic X-ray scattering (RIXS) at the Cu-$L_3$ edge to study high-energy magnetic excitations at energy transfers of more than 100 meV for overdoped La$_{2-x}$Sr$_{x}$CuO$_{4}$…

The resonant inelastic x-ray scattering (RIXS) was measured in an insulating SrCuO$_{2}$ with changing the incident photon energy ($h\nu$) near the Cu $1s$ absorption edge (K-edge). Complex structures and their dependences on the momentum…

We report a Cu $K$-edge resonant inelastic x-ray scattering (RIXS) study of charge-transfer excitations in the 2-8 eV range in the structurally simple compound HgBa$_2$CuO$_{4+\delta}$ at optimal doping ($T_{\rm c} = 96.5 $ K). The spectra…

Strongly Correlated Electrons · Physics 2009-11-11 L. Lu , X. Zhao , G. Chabot-Couture , J. N. Hancock , N. Kaneko , O. P. Vajk , G. Yu , S. Grenier , Y. J. Kim , D. Casa , T. Gog , M. Greven

We report a Cu K-edge resonant inelastic x-ray scattering (RIXS) study of momentum-dependent charge excitations in Nd$_{2-x}$Ce$_x$CuO$_4$ ($x$ = 0.075 and 0.18). The peak position and width of the excitations coincide excellently with…

Strongly Correlated Electrons · Physics 2019-06-07 Kenji Ishii , Masahito Kurooka , Yusuke Shimizu , Masaki Fujita , Kazuyoshi Yamada , Jun'ichiro Mizuki

Results of model calculations using exact diagonalization reveal the orbital character of states associated with different Raman loss peaks in Cu $K$-edge resonant inelastic X-ray scattering (RIXS) from La$_{2}$CuO$_{4}$. The model includes…

Using resonant inelastic x-ray scattering (RIXS) at the Cu $L$-absorption edge, we have observed intense, dispersive spin excitations in highly overdoped Tl$_2$Ba$_2$CuO$_{6+\delta}$ (superconducting $T_c =6$ K), a compound whose…

Resonant inelastic x-ray scattering (RIXS) tuned for the Cu L edge is a possible tool to detect charge excitations in cuprate superconductors. We theoretically investigate the possibility for observing a collective charge excitation by the…

Strongly Correlated Electrons · Physics 2015-08-03 Takami Tohyama , Kenji Tsutsui , Michiyasu Mori , Shigetoshi Sota , Seiji Yunoki

We report a resonant inelastic x-ray scattering (RIXS) study of charge excitations in the electron-doped high-Tc superconductor Nd1.85Ce0.15CuO4. The intraband and interband excitations across the Fermi energy are separated for the first…

Strongly Correlated Electrons · Physics 2007-05-23 K. Ishii , K. Tsutsui , Y. Endoh , T. Tohyama , S. Maekawa , M. Hoesch , K. Kuzushita , M. Tsubota , T. Inami , J. Mizuki , Y. Murakami , K. Yamada

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

Resonant Inelastic X-Ray Scattering (RIXS) spectra of hematite were measured at the Fe L3-edge for heteroepitaxial thin films which were undoped and doped with 1% Ti, Sn or Zn, in the energy loss range in excess of 1 eV to study electronic…

Spin excitations in the overdoped high temperature superconductors Tl$_2$Ba$_2$CuO$_{6+\delta}$ and (Bi,Pb)$_2$(Sr,La)$_{2}$CuO$_{6+\delta}$ were investigated by resonant inelastic x-ray scattering (RIXS) as functions of doping and detuning…

We provide a semiquantitative explanation of a recent experiment on the resonant inelastic x-ray scattering (RIXS) in insulating cuprate La2CuO4 (Y.J. Kim et al., Phys. Rev. Lett. 89, 177003 (2002).). We show theoretically that there are…

Strongly Correlated Electrons · Physics 2009-11-10 Takuji Nomura , Jun-ichi Igarashi

We analyze the resonant inelastic x-ray scattering (RIXS) spectra at the Cu and Ni K edges in La2CuO4 and La2NiO4, respectively. We make use of the Keldysh-Green-function formalism, in which the RIXS intensity is described by a product of…

Strongly Correlated Electrons · Physics 2009-11-13 Manabu Takahashi , Junichi Igarashi , Taeko Semba

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 report a comprehensive Cu $K$-edge RIXS investigation of $\rm La_{2-x}Sr_xCuO_4$ (LSCO) for 0$\leq$x$\leq$0.35, stripe-ordered $\rm La_{1.875}Ba_{0.125}CuO_4$ (LBCO), and $\rm La_{2}Cu_{0.96}Ni_{0.04}O_4$ (LCNO) crystals. The RIXS…

Strongly Correlated Electrons · Physics 2015-05-27 D. S. Ellis , Jungho Kim , Harry Zhang , J. P. Hill , Genda Gu , Seiki Komiya , Yoichi Ando , D. Casa , T. Gog , Young-June Kim

Resonant inelastic x-ray scattering (RIXS) spectra at the Fe K-edge were measured for a single crystal of the iron oxypnictide superconductor PrFeAsO0.7 (Tc=42 K). They disclose a weak, broad feature centered around 4.5 eV energy loss,…

Strongly Correlated Electrons · Physics 2015-05-14 I. Jarrige , K. Ishii , M. Yoshida , T. Fukuda , K. Ikeuchi , M. Ishikado , N. Hiraoka , K. D. Tsuei , H. Kito , A. Iyo , H. Eisaki , S. Shamoto

We report an Fe $K$-edge resonant inelastic X-ray scattering (RIXS) study of K$_{0.83}$Fe$_{1.53}$Se$_2$. This material is an insulator, unlike many parent compounds of iron-based superconductors. We found a sharp excitation around 1 eV,…

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