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15 papers · 1 filter

cond-mat.str-el2000

Current-induced conductance switching in epitaxial La0.7Sr0.3MnO3/SrTiO3 multilayers

K. Doerr, K. -H. Mueller, T. Walter +6

We report on the non-linear in-plane electrical transport in coherently grown [La0.7Sr0.3MnO3/SrTiO3] multilayers with ultrathin (< 3 nm) single layers. Current-induced switching o…

cond-mat.supr-con2000

The electronic structure of cuprates from high energy spectroscopy

Mark S. Golden, Christian Duerr, Andreas Koitzsch +5

We report studies of the electronic structure and elementary excitations of doped and undoped cuprate chains, ladders and planes. Using high energy spectroscopies such as x-ray abs…

cond-mat.str-el2000★ 9 cited

Metal insulator transition in TlSr2CoO5 from orbital degeneracy and spin disproportionation

D. Foerster, R. Hayn, T. Pruschke +2

To describe the metal insulator transition in the new oxide TlSr2CoO5 we investigate its electronic structure by LDA and model Hartree-Fock calculations. Within LDA we find a homog…

cond-mat.str-el2000

Spin-Polaron approach to the Fermi surface evolution in the normal state of cuprates

A. F. Barabanov, R. Hayn, A. A. Kovalev +2

A semi-phenomenological approach to describe the evolution of Fermi surface (FS) and electronic structure with doping is presented which is based on the spin-fermion model. The dop…

cond-mat.str-el2000★ 41 cited

Angle resolved photoemission spectroscopy of Sr_2CuO_2Cl_2 - a revisit

C. Duerr, S. Legner, R. Hayn +16

We have investigated the lowest binding-energy electronic structure of the model cuprate Sr_2CuO_2Cl_2 using angle resolved photoemission spectroscopy (ARPES). Our data from about…

cond-mat2000★ 32 cited

The dynamics of a hole in a CuO_4 plaquette: electron energy-loss spectroscopy of Li_2CuO_2

S. Atzkern, M. Knupfer, M. S. Golden +7

We have measured the energy and momentum dependent loss function of Li_2CuO_2 single crystals by means of electron energy-loss spectroscopy in transmission. Using the same values f…