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 =...
Geck, J., Borisenko, S. V., Berger, H., Eschrig, H., Fink, J., Knupfer, M., ...
We report an angular resolved photoemission study of Na0.73CoO2 where it is found that the renormalization of the quasiparticle (QP) dispersion changes dramatically upon a rotation from GM to GK. The...
Disentangling surface and bulk photoemission using circularly polarized light (2007)
Zabolotnyy, V. B., Borisenko, S. V., Kordyuk, A. A., Inosov, D. S., Koitzsch, A., Geck, J., ...
We show that in the angle resolved photoemission spectroscopy (ARPES) near-surface induced fields can be useful for disentangling the surface and bulk related emission. The jump of the dielectric...
Cu $K$-edge Resonant Inelastic X-Ray Scattering in Edge-Sharing Cuprates (2007)
Vernay, F., Moritz, B., Elfimov, I., Geck, J., Hawthorn, D., Devereaux, T. P., ...
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...
Octahedral tilts and electronic correlations in La7/8Sr1/8MnO3 (2007)
Geck, J., Wochner, P., Kiele, S., Reutler, P., Revcolevschi, A., Büchner, B.
Octahedral tilts and electronic correlations in La7/8Sr1/8MnO3 (2007)
J. Geck, P. Wochner, S. Kiele, P. Reutler, A. Revcolevschi, ...
Journal article
Inosov, D., Borisenko, S., Eremin, I., Kordyuk, A., Zabolotnyy, V., Geck, J., ...
Angle resolved photoemission spectroscopy (ARPES) provides a detailed view of the renormalized band structure and, consequently, is a key to the self-energy and the single-particle Green's function....
Zabolotnyy, V. B., Borisenko, S. V., Kordyuk, A. A., Geck, J., Inosov, D., Koitzsch, A., ...
Experimental studies of the electronic structure remain the basic means for understanding the nature of high-temperature superconductivity (HTSC) and testing relevant theoretical models. Appreciable...
Constituents of the Quasiparticle Spectrum Along the Nodal Direction of High-Tc Cuprates (2006)
Kordyuk, A. A., Borisenko, S. V., Zabolotnyy, V. B., Geck, J., Knupfer, M., Fink, J., ...
Applying the Kramers-Kronig consistent procedure, developed earlier, we investigate in detail the formation of the quasiparticle spectrum along the nodal direction of high-Tc cuprates. The heavily...
Constituents of the Quasiparticle Spectrum Along the Nodal Direction of High-Tc Cuprates (2006)
Kordyuk, A. A., Borisenko, S. V., Zabolotnyy, V. B., Geck, J., Knupfer, M., Fink, J., ...
Applying the Kramers-Kronig consistent procedure, developed earlier, we investigate in detail the formation of the quasiparticle spectrum along the nodal direction of high-Tc cuprates. The heavily...
X-ray absorption spectroscopy on layered cobaltates Na_xCoO_2 (2006)
Kroll, T., Knupfer, M., Geck, J., Hess, C., Schwieger, T., Krabbes, G., ...
Measurements of polarization and temperature dependent soft x-ray absorption have been performed on Na_xCoO_2 single crystals with x=0.4 and x=0.6. They show a deviation of the local trigonal...
Inosov, D. S., Borisenko, S. V., Eremin, I., Kordyuk, A. A., Zabolotnyy, V. B., Geck, J., ...
Angle resolved photoemission spectroscopy (ARPES) provides a detailed view of the renormalized band structure in cuprates and, consequently, is a key to the self-energy and the quasiparticle Green's...
Koitzsch, A., Borisenko, S. V., Geck, J., Zabolotnyy, V. B., Knupfer, M., Fink, J., ...
We have investigated the low-energy electronic structure of the strongly correlated one-dimensional copper oxide chain compound SrCuO2 by angle resolved photoemission as a function of excitation...
Fink, J., Koitzsch, A., Geck, J., Zabolotnyy, V., Knupfer, M., Büchner, B., ...
Angle-resolved photoemission spectroscopy (ARPES) is used to study the spectral function of the optimally doped high-T$_c$ superconductor (Bi,Pb)$_2$Sr$_2$CaCu$_2$O$_{8+\delta}$ in the vicinity of...
Huecker, M., Zimmermann, M. V., Klingeler, R., Kiele, S., Geck, J., Bakehe, S. N., ...
The interplay between crystal symmetry and charge stripe order in Pr1.67Sr0.33NiO4 and Nd1.67Sr0.33NiO4 has been studied by means of single crystal x-ray diffraction. In contrast to tetragonal...
Octahedral tilts and electronic correlations in La_7/8Sr_1/8MnO_3 (2006)
Geck, J., Wochner, P., Kiele, S., Reutler, P., Revcolevschi, A., Büchner, B.
We present a resonant x-ray scattering study of the octahedral tilt order between 50K and 310K in La_7/8Sr_1/8MnO_3. At the La L_II-edge the resonant (300) reflection probes cooperative tilts of the...
Pressure-induced melting of the orbital polaron lattice in La1-xSrxMnO3 (2006)
Klingeler, R., Geck, J., Arumugam, S., Tristan, N., Reutler, P., Buechner, B., ...
We report on the pressure effects on the orbital polaron lattice in the lightly doped manganites $\mathrm{La_{1-x}Sr_xMnO_{3}}$, with $x\sim 1/8$. The dependence of the orbital polaron lattice on...
Zabolotnyy, V. B., Borisenko, S. V., Kordyuk, A. A., Fink, J., Geck, J., Koitzsch, A., ...
The Cu substitution by Zn and Ni impurities and its influence on the mass renormalization effects in angle-resolved photoelectron spectra (ARPES) of Bi2Sr2CaCu2O8-delta is addressed. We show that the...
Kinks, nodal bilayer splitting, and interband scattering in YBa2Cu3O6+x (2006)
Borisenko, S. V., Kordyuk, A. A., Zabolotnyy, V., Geck, J., Inosov, D., Koitzsch, A., ...
We apply the new-generation angle-resolved photoemission spectroscopy methodology to the most widely studied cuprate superconductor YBa2Cu3O6+x. Considering the nodal direction, we found noticeable...
Kinks, Nodal Bilayer Splitting, and Interband Scattering in YBa2Cu3O6+x (2006)
Borisenko, S. V., Kordyuk, A. A., Zabolotnyy, V., Geck, J., Inosov, D., Koitzsch, A., ...
Constituents of the Quasiparticle Spectrum Along the Nodal Direction of High-Tc Cuprates (2006)
Kordyuk, A. A., Borisenko, S. V., Zabolotnyy, V. B., Geck, J., Knupfer, M., Fink, J., ...
Stripe correlations in Na0.75CoO2 (2006)
J. Geck, M. V. Zimmermann, H. Berger, S.V. Borisenko, H. Eschrig, ...
Journal article
M. Hücker, M. V. Zimmermann, R. Klingeler, S. Kiele, J. Geck, ...
Journal article
Constituents of the Quasiparticle Spectrum Along the Nodal Direction of High-Tc Cuprates (2006)
Kordyuk, A. A., Borisenko, S. V., Zabolotnyy, V. B., Geck, J., Knupfer, M., Fink, J., ...
Applying the Kramers-Kronig consistent procedure, developed earlier, we investigate in detail the formation of the quasiparticle spectrum along the nodal direction of high-Tc cuprates. The heavily...
Orbital polaron lattice formation in lightly doped La1-xSrxMnO3 (2005)
Geck,J., Wochner,P., Kiele,S., Klingeler,R., Reutler,P., Revcolevschi,A., ...
"Kinks", Nodal Bilayer Splitting and Interband Scattering in YBCO (2005)
Borisenko, S. V., Kordyuk, A. A., Zabolotnyy, V., Geck, J., Inosov, D., Koitzsch, A., ...
We apply the new-generation ARPES methodology to the most widely studied cuprate superconductor YBCO. Considering the nodal direction, we found noticeable renormalization effects known as "kinks"...
Stripe correlations in Na$_{0.75}$CoO$_2$ (2005)
Geck, J., Zimmermann, M. V., Berger, H., Borisenko, S. V., Eschrig, H., Koepernik, K., ...
We unambiguously demonstrate, based on high-energy x-ray diffraction data and LDA calculations, that sodium-density stripes are formed in Na0.75CoO2 at low temperatures and rule out the previously...
Constituents of the "kink" in high-Tc cuprates (2005)
Kordyuk, A. A., Borisenko, S. V., Zabolotnyy, V. B., Geck, J., Knupfer, M., Fink, J., ...
Applying the Kramers-Kronig consistent procedure, developed earlier, we investigate in details the formation of the quasiparticle spectrum along the nodal direction of high-Tc cuprates. The heavily...
Effect of Zn and Ni impurities on the quasiparticle renormalization in Bi-2212 (2005)
Zabolotnyy, V. B., Borisenko, S. V., Kordyuk, A. A., Fink, J., Geck, J., Koitzsch, A., ...
The Cu substitution by Zn and Ni impurities and its influence on the mass renormalization effects in angle resolved photoelectron spectra (ARPES) of Bi-2212 is addressed. We show that the nonmagnetic...
Orbital polaron lattice formation in lightly doped La1-xSrxMnO3 (2005)
Geck, J., Wochner, P., Kiele, S., Klingeler, R., Reutler, P., Revcolevschi, A., ...
By resonant x-ray scattering at the Mn K-edge on La7/8Sr1/8MnO3, we show that an orbital polaron lattice (OPL) develops at the metal-insulator transition of this compound. This orbital reordering...
Parity of the Pairing Bosons in a High-Temperature Superconductor (2005)
Borisenko, S. V., Kordyuk, A. A., Koitzsch, A., Fink, J., Geck, J., Zabolotnyy, V., ...
We report the observation of a novel effect in the bilayer Pb-Bi2212 high-TC superconductor by means of angle-resolved photoemission with circularly polarized excitation. Different scattering rates,...
Correlated magnetism in low-doped manganites (2005)
Geck,J., Wochner,P., Kiele,S., Klingeler,R., Revcolevschi,A., Von Zimmermann,M., ...
Orbital polaron lattice formation in lightly doped La1-xSrxMnO3 (2005)
Geck, J., Wochner, P., Kiele, S., Klingeler, R., Reutler, P., Revcolevschi, A., ...
Correlated magnetism in low-doped manganites (2005)
Geck, J., Wochner, P., Kiele, S., Klingeler, R., Revcolevschi, A., Von Zimmermann, M., ...
Structural modulations in $Sr_{14} Cu_{24} O_{41}$ and their relation to charge ordering (2004)
Zimmermann, M. V., Geck, J., Kiele, S., Klingeler, R., Büchner, B.
Structural properties of the spin chain and ladder compound Sr$_{14}$Cu$_{24}$O$_{41}$ have been studied using diffraction with hard x-rays. Strong incommensurate modulation reflections are observed...
Geck,J., Wochner,P., Bruns,D., Büchner,B., Gebhardt,U., Kiele,S., ...
Orbital order induced ferromagnetic insulating properties (2004)
Geck,J., Wochner,P., Kiele,S., Klingeler,R., Revcoslevschi,A., Von Zimmermann,M., ...
Geck, J., Wochner, P., Bruns, D., Büchner, B., Gebhardt, U., Kiele, S., ...
Orbital order induced ferromagnetic insulating properties (2004)
Geck, J., Wochner, P., Kiele, S., Klingeler, R., Revcoslevschi, A., Von Zimmermann, M., ...
Innerhalb einer Projektgemeinschaft entwickelten die Firmen BMW AG, GIDA mbH, KUKA Werkzeugbau Schwarzenberg GmbH (KWS) und die System Consult GmbH sowie das Fraunhofer IPA eine neutrale...
Verbindungen schaffen: Eine Step-basierte Schnittstelle zum Austausch von 3D-Meßinformationen (1996)
Inerhalb einer Projektgemeinschaft entwickeln Unternehmen eine neutrale Schnittstelle zur Überstragung komletter Meßpläne und zugehöriger Meßergebnisse. Ein Besonderer Fokus liegt auf der...
Der Potential-Check - Test und Anstoß für die Fraktale Fabrik (1994)
Der Potential-Check ist eine Methode zur Aufdeckung und Beschreibung von Potentialen eines Unternehmens. Er zeigt Lösungsansätze für die Ausschöpfung der identifizierten Potentiale, besonders im...