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Publications (11)

cond-mat.str-el2017

The effect of different in-chain impurities on the magnetic properties of the spin chain compound SrCuO $_{2}$ probed by NMR

Yannic Utz, Franziska Hammerath, Roberto Kraus +14

The S=1/2 Heisenberg spin chain compound SrCuO2 doped with different amounts of nickel (Ni), palladium (Pd), zinc (Zn) and cobalt (Co) has been studied by means of Cu nuclear magne…

cond-mat.supr-con2020

Evidence for an orbital dependent Mott transition in the ladders of (La,Ca) $_{x}$ Sr $_{14 - x}$ Cu $_{24}$ O $_{41}$ derived by electron energy-loss spectroscopy

Friedrich Roth, Alexandre Revcolevschi, Bernd BÃ¼chner +2

The knowledge of the charge carrier distribution among the different orbitals of Cu and O is a precondition for the understanding of the physical properties of various Cu-O framewo…

cond-mat.supr-con2010

Plasmons and Interband Transitions of Ca $_{11}$ Sr $_{3}$ Cu $_{24}$ O $_{41}$ investigated by Electron Energy-Loss Spectroscopy

Friedrich Roth, Christian Hess, Bernd BÃ¼chner +3

Electron energy-loss spectroscopy studies have been performed in order to get a deeper insight into the electronic structure and elementary excitations of the two-leg ladder system…

cond-mat.supr-con2010

Nernst Effect of stripe ordering La $_{1.8 - x}$ Eu $_{0.2}$ Sr $_{x}$ CuO $_{4}$

Christian Hess, Emad M. Ahmed, Udo Ammerahl +2

We investigate the transport properties of La $_{1.8 - x}$ Eu $_{0.2}$ Sr $_{x}$ CuO $_{4}$ ( $x = 0.04$ , 0.08, 0.125, 0.15, 0.2) with a special focus on the Nernst effect in the normal state. Var…

cond-mat.str-el2007

Magneto-elastic coupling in hexagonal YMnO_3

Mario Poirier, Francis Laliberte, Loreynne Pinsard +1

We report an ultrasonic investigation of the elastic moduli on a single crystal of hexagonal YMnO_3 as a function of temperature. Stiffening anomalies in the antiferromagnetic NÃ©e…

cond-mat.mtrl-sci2012

Magneto-absorption spectra of hydrogen-like yellow exciton series in cuprous oxide: excitons in strong magnetic fields

Sergey L. Artyukhin, Dmitry Fishman, ClÃ©ment Faugeras +4

We study the absorption spectra of the yellow excitons in Cu $_{2}$ O in high magnetic fields using polarization-resolved optical absorption measurements with a high frequency resoluti…

cond-mat.str-el2015

Suppression of the impurity-induced local magnetism by the opening of a spin pseudogap in Ni-doped Sr $_{2}$ CuO $_{3}$

Yannic Utz, Franziska Hammerath, Satoshi Nishimoto +6

The $S = 1/2$ antiferromagnetic Heisenberg spin chain compound Sr $_{2}$ CuO $_{3}$ doped with $1%$ and $2%$ of Ni impurities has been studied by means of $^{63}$ Cu nuclear magnetic res…

cond-mat.str-el2023

Orbital-selective time-domain signature of nematicity dynamics in the charge-density-wave phase of La $_{1.65}$ Eu $_{0.2}$ Sr $_{0.15}$ CuO $_{4}$

Martin Bluschke, Naman K. Gupta, Hoyoung Jang +23

Understanding the interplay between charge, nematic, and structural ordering tendencies in cuprate superconductors is critical to unraveling their complex phase diagram. Using pump…

cond-mat.str-el2012

Determining the Short-Range Spin Correlations in Cuprate Chain Materials with Resonant Inelastic X-ray Scattering

Claude Monney, Valentina Bisogni, Ke Jin Zhou +13

We report a high-resolution resonant inelastic soft x-ray scattering study of the quantum magnetic spin-chain materials Li2CuO2 and CuGeO3. By tuning the incoming photon energy to…

cond-mat.str-el2002

The Local Structure of La1.65Eu0.2Sr 0.15CuO4 determined by 63Cu NMR Spectroscopy and Van Vleck Paramagnetism of Eu3+ Ions

Barbara Simovic, Markus Huecker, P. Chris Hammel +3

We investigate the local symmetry of the tilting of the CuO $_{6}$ octahedra in La $_{1.65}$ Eu $_{0.2}$ Sr $_{0.15}$ CuO $_{4}$ by means of $^{63}$ Cu NMR spectroscopy and the Va…

cond-mat.str-el2008

Effect of structural distortions on the magnetism of doped spin-Peierls CuGeO3

Virginie Simonet, Beatrice Grenier, FranÃ§oise Villain +4

The chemical selectivity and great sensitivity of the Extended X-ray Absorption Spectroscopy technique allowed the determination, in the paramagnetic phase, of the structural disto…

Publications (11)

The effect of different in-chain impurities on the magnetic properties of the spin chain compound SrCuO2​ probed by NMR

Evidence for an orbital dependent Mott transition in the ladders of (La,Ca)x​Sr14−x​Cu24​O41​ derived by electron energy-loss spectroscopy

Plasmons and Interband Transitions of Ca11​Sr3​Cu24​O41​ investigated by Electron Energy-Loss Spectroscopy

Nernst Effect of stripe ordering La1.8−x​Eu0.2​Srx​CuO4​