Charge order in La_{1.8-x}Eu_{0.2}Sr_xCuO_4 studied by resonant soft X-ray diffraction (2008)
Fink, J., Schierle, E., Weschke, E., Geck, J., Hawthorn, D., Wadati, H., ...
Resonant soft X-ray scattering with photon energies near the O K and the Cu L3 edges was used to study charge ordering in the system La_{1.8-x}Eu_{0.2}Sr_xCuO_4 as a function of temperature for x =...
Resonant soft x-ray scattering from stepped surfaces of SrTiO3 (2008)
Schlappa, J., Schüßler-Langeheine, C., Chang, C. F., Hu, Z., Schierle, E., Ott, H., ...
We studied the resonant diffraction signal from stepped surfaces of SrTiO3 at the Ti 2p -> 3d (L2,3) resonance in comparison with x-ray absorption (XAS) and specular reflectivity data. The steps on...
Konings, S., Schuessler-Langeheine, C., Ott, H., Weschke, E., Schierle, E., Goedkoop, J. B.
We report the direct observation of slow fluctuations of helical antiferromagnetic domains in an ultra-thin holmium film using coherent resonant magnetic x-ray scattering. We observe a gradual...
Direct observation of t2g orbital ordering in magnetite (2006)
Schlappa, J., Schuessler-Langeheine, C., Chang, C. F., Ott, H., Tanaka, A., Hu, Z., ...
Using soft-x-ray diffraction at the site-specific resonances in the Fe L23 edge, we find clear evidence for orbital and charge ordering in magnetite below the Verwey transition. The spectra show...
X-Ray Scattering at Lanthanide M5 Resonances: Application to Magnetic Depth Profiling (2005)
Ott, H., Schuessler-Langeheine, C., Schierle, E., Grigoriev, A. Yu., Leiner, V., Zabel, H., ...
Quantitative analyses of x-ray scattering from thin films of Ho and Dy metal at the M_5 resonances result in values of the optical constants and the magnetic scattering lengths f_m, with f_m as large...
Spectroscopy of stripe order in La1.8Sr0.2NiO4 using resonant soft x-ray diffraction (2005)
Schuessler-Langeheine, C., Schlappa, J., Tanaka, A., Hu, Z., Chang, C. F., Schierle, E., ...
Strong resonant enhancements of the charge-order and spin-order superstructure-diffraction intensities in La1.8Sr0.2NiO4 are observed when x-ray energies in the vicinity of the Ni L2,3 absorption...
Surface and bulk electronic structure of $La_{1-x}Ca_xVO_3$ (2004)
Maiti, K, Kumar, Ashwani, Sarma, DD, Weschke, E, Kaindl, G
We report on a photoemission study of the electronic structure of metallic $La_{1-x}Ca_xVO_3,$ with x=0.4 and 0.5, using monochromatized He I, He II, and Al K $_\alpha$radiations. He II spectra...
Surface and bulk electronic structure of $La_{1-x}Ca_xVO_3$ (2004)
Maiti, K, Kumar, Ashwani, Sarma, DD, Weschke, E, Kaindl, G
We report on a photoemission study of the electronic structure of metallic $La_{1-x}Ca_xVO_3,$ with x=0.4 and 0.5, using monochromatized He I, He II, and Al K $_\alpha$radiations. He II spectra...
Metal-insulator Crossover Behavior at the Surface of NiS_2 (2003)
Sarma, D. D., Krishnakumar, S. R., Weschke, E., Schussler-Langeheine, C., Mazumdar, Chandan, Kilian, L., ...
We have performed a detailed high-resolution electron spectroscopic investigation of NiS$_2$ and related Se-substituted compounds NiS$_{2-x}$Se$_x$, which are known to be gapped insulators in the...
Metal-insulator crossover behavior at the surface of $NiS_2$ (2003)
Sarma, DD, Krishnakumar, SR, Weschke, E, Schubler-Langeheine, C, Mazumdar, Chandan, Kilian, L, ...
We have performed a detailed high-resolution electron spectroscopic investigation of $NiS_2$ and related Se-substituted compounds, $NiS_{2-x}Se_x$, which are known to be gapped insulators in the bulk...
Metal-insulator crossover behavior at the surface of $NiS_2$ (2003)
Sarma, DD, Krishnakumar, SR, Weschke, E, Schubler-Langeheine, C, Mazumdar, Chandan, Kilian, L, ...
We have performed a detailed high-resolution electron spectroscopic investigation of $NiS_2$ and related Se-substituted compounds, $NiS_{2-x}Se_x$, which are known to be gapped insulators in the bulk...
Many-body effects in non-resonant and resonant 4p spectroscopy of Gd metal. (1999)
Tagliaferri, A, Braicovich, L, Ghiringhelli, G, Brookes, NB, Dallera, C, ...
Electronic structure of NiS$_{1-x}$Se$_x$ across the phase transition (1998)
Sarma, D. D., Krishnakumar, S. R., Chandrasekharan, Nirmala, Weschke, E., Schüßler-Langeheine, C., Kilian, L., ...
We report very highly resolved photoemission spectra of NiS(1-x)Se(x) across the so-called metal-insulator transition as a function of temperature as well as composition. The present results...
Temperature-dependent photoemission spectral weight in $La_{0.6}Sr_{0.4}MnO_3$ (1996)
Sarma, DD, Shanthi, N, Krishnakumar, SR, Saitoh, T, Mizokawa, T, Sekiyama, A, ...
We report temperature-dependent redistribution of spectral weight in photoemission spectra of $La_{0.6}Sr_{0.4}MnO_3$ over a wide energy range of several eV. We attribute this to a change in the...
Temperature-dependent photoemission spectral weight in $La_{0.6}Sr_{0.4}MnO_3$ (1996)
Sarma, DD, Shanthi, N, Krishnakumar, SR, Saitoh, T, Mizokawa, T, Sekiyama, A, ...
We report temperature-dependent redistribution of spectral weight in photoemission spectra of $La_{0.6}Sr_{0.4}MnO_3$ over a wide energy range of several eV. We attribute this to a change in the...