Braicovich, L., Brink, J. Van Den, Bisogni, V., Sala, M. Moretti, Ament, L. J. P., Brookes, N. B., ...
We probe the collective magnetic modes of La$_2$CuO$_4$ (LCO) and underdoped La$_{2-x}$Sr$_x$CuO$_4$ (LSCO) by momentum resolved Resonant Inelastic X-ray Scattering (RIXS) at the Cu $L_3$ edge. In...
Evolution of magnetic phases and orbital occupation in (SrMnO3)n/(LaMnO3)2n superlattices (2009)
Aruta, C., Adamo, C., Galdi, A., Orgiani, P., Bisogni, V., Brookes, N. B., ...
The magnetic and electronic modifications induced at the interfaces in (SrMnO$_{3}$)$_{n}$/(LaMnO$_{3}$)$_{2n}$ superlattices have been investigated by linear and circular magnetic dichroism in the...
Momentum dependence of orbital excitations in Mott-insulating titanates (2009)
Ulrich, C., Ament, L. J. P., Ghiringhelli, G., Braicovich, L., Sala, M. Moretti, Pezzotta, N., ...
High-resolution resonant inelastic x-ray scattering has been used to determine the momentum dependence of orbital excitations in Mott-insulating LaTiO$_3$ and YTiO$_3$ over a wide range of the...
Aruta, C., Ghiringhelli, G., Bisogni, V., Braicovich, L., Brookes, N. B., Tebano, A., ...
We have performed x-ray linear and circular magnetic dichroism experiments at the Mn L2,3-edge of the La0.7Sr0.3MnO3 ultra thin films. Our measurements show that the antiferromagnetic (AF) insulating...
Ament, L. J. P., Ghiringhelli, G., Sala, M. Moretti, Braicovich, L., Brink, J. Van Den
We show that, contrary to common lore, in resonant inelastic x-ray scattering (RIXS) at the copper L- and M-edge direct spin-flip scattering is in principle allowed. We demonstrate how this...
Schlappa, J., Schmitt, T., Vernay, F., Strocov, V. N., Ilakovac, V., Thielemann, B., ...
We investigate magnetic excitations in the spin-ladder compound Sr$_{14}$Cu$_{24}$O$_{41}$ using high-resolution Cu $L_3$-edge Resonant Inelastic X-ray Scattering (RIXS). Our findings demonstrate...
Orbital reconstruction and two-dimensional electron gas at the LaAlO3/SrTiO3 interface (2008)
Salluzzo, M., Ghiringhelli, G., Cezar, J. C., Brookes, N. B., Bisogni, V., De Luca, G. M., ...
Conventional two-dimensional electron gases are realized by engineering the interfaces between semiconducting compounds. In 2004, Ohtomo and Hwang discovered that an electron gas can be also realized...
Dispersing bimagnons and doping induced bimagnon-charge modes in superconducting cuprates (2008)
Braicovich, L., Ament, L. J. P., Bisogni, V., Forte, F., Aruta, C., Balestrino, G., ...
In the early days of high temperature superconductivity it was already recognized that magnetic properties of these materials are intimately related to the superconducting ones . When doped, the...
Indirect electric field doping of the CuO2 planes of the cuprate NdBa2Cu3O7 superconductor (2008)
Salluzzo, M., Ghiringhelli, G., Cezar, J. C., Brookes, N. B., De Luca, G. M., Fracassi, F., ...
The mechanism of field-effect doping in the "123" high critical temperature superconductors (HTS) has been investigated by x-ray absorption spectroscopy in the presence of an electric field. We...
Evidence of orbital reconstruction at interfaces in La0.67Sr0.33MnO3 films (2007)
Tebano, A, Aruta, C., Sanna, S., Medaglia, P. G., Balestrino, G., Sidorenko, A. A., ...
Electronic properties of transition metal oxides at interfaces are influenced by strain, electric polarization and oxygen diffusion. Linear dichroism (LD) x-ray absorption, diffraction, transport and...
Little, W. A., Holcomb, M. J., Ghiringhelli, G., Braicovich, L., Dallera, C., Piazzalunga, A., ...
We have measured the near-normal reflectance of Tl2Ba2CaCu2O8 (Tl2212) for energies from 0.1 to 4.0 eV at room temperature and used a Kramers-Kronig analysis to find the complex, frequency dependent...
Minar, J., Ebert, H., De Nadai, C., Brookes, N. B., Venturini, F., Ghiringhelli, G., ...
The pure Fano-effect in angle-integrated valence-band photo-emission of ferromagnets has been observed for the first time. A contribution of the intrinsic spin polarization to the spin polarization...
Determination of the orbital moment and crystal field splitting in LaTiO$_{3}$ (2004)
Haverkort, M. W., Hu, Z., Tanaka, A., Ghiringhelli, G., Roth, H., Cwik, M., ...
Utilizing a sum-rule in a spin-resolved photoelectron spectroscopic experiment with circularly polarized light, we show that the orbital moment in LaTiO$_3$ is strongly reduced both below and above...
Orbital state, spin-orbit coupling and phase transitions in ruthenates. (2002)
Tjeng, L.H., Mizokawa, T., Sawatzky, G.A., Ghiringhelli, G., Tjernberg, O., Brookes, N.B., ...
Frühjahrstagung des Arbeitskreises Festkörperphysik (AKF) der DPG, Regensburg, 11.-15.März 2002
Spin-Orbit Coupling in the Mott Insulator Ca2RuO4 (2001)
Ghiringhelli, G., Mizokawa, T., Sawatzky, G. A., Tjeng, L. H., Tjernberg, O.
Detection of Zhang-Rice Singlets Using Spin-Polarized Photoemission (2001)
Brookes, N. B., Ghiringhelli, G., Mizokawa, T., Tjeng, L. H., Tjernberg, O.
Element-Selective Nanosecond Magnetization Dynamics in Magnetic Heterostructures (2001)
Bonfim, M., Brookes, N. B., Ghiringhelli, G., Montaigne, F., Pizzini, S.