Dynamical response and confinement of the electrons at the LaAlO3/SrTiO3 interface (2009)
Dubroka, A., Roessle, M., Kim, K. W., Malik, V. K., Schulz, L., Thiel, S., ...
With infrared ellipsometry and transport measurements we investigated the electrons at the interface between LaAlO3 and SrTiO3. We obtained a sheet carrier density of Ns~5-9x 10E13 cm^-2, an...
Towards two-dimensional metallic behavior at LaAlO3/SrTiO3 interfaces (2009)
Copie, O., Garcia, V., Bodefeld, C., Carretero, C., Bibes, M., Herranz, G., ...
Using a low-temperature conductive-tip atomic force microscope in cross-section geometry we have characterized the local transport properties of the metallic electron gas that forms at the interface...
Mechanisms of exchange bias with multiferroic BiFeO3 epitaxial thin films (2007)
Bea, H., Bibes, M., Ott, F., Dupe, B., Petit, S., ...
We have combined neutron scattering and piezoresponse force microscopy to study the relation between the exchange bias observed in CoFeB/BiFeO3 heterostructures and the multiferroic domain structure...
Mapping the Spatial Distribution of Charge Carriers in LaAlO3/SrTiO3 Heterostructures (2007)
Basletic, M., Carretero, C., Herranz, G., Copie, O., Bibes, M., ...
At the interface between complex insulating oxides, novel phases with interesting properties may occur, such as the metallic state reported in the LaAlO3/SrTiO3 system. While this state has been...
Fractal dimension and size scaling of domains in thin films of multiferroic BiFeO3 (2007)
Catalan, G., Bea, H., Fusil, S., Bibes, M., Paruch, P., Barthelemy, A., ...
We have analyzed the morphology of ferroelectric domains in very thin films of multiferroic BiFeO3. Unlike the more common stripe domains observed in thicker films BiFeO3 or in other ferroics, the...
High Mobility in LaAlO3/SrTiO3 Heterostructures: Origin, Dimensionality and Perspectives (2007)
Herranz, G., Basletic, M., Bibes, M., Carretero, C., Tafra, E., Jacquet, E., ...
We have investigated the dimensionality and origin of the magnetotransport properties of LaAlO3 films epitaxially grown on TiO2-terminated SrTiO3(001) substrates. High mobility conduction is observed...
Bea, H., Bibes, M., Petit, S., Kreisel, J., Barthelemy, A.
A previous study of the growth conditions has shown that single-phase BiFeO3 thin films can only be obtained in a narrow pressure-temperature window and that these films display a weak magnetic...
Bea, H., Bibes, M., Cherifi, S., Nolting, F., Warot-Fonrose, B., Fusil, S., ...
We report on the functionalization of multiferroic BiFeO3 epitaxial films for spintronics. A first example is provided by the use of ultrathin layers of BiFeO3 as tunnel barriers in magnetic tunnel...
Origin and Perspectives of High Mobility in LaAlO3/SrTiO3 Structures (2006)
Herranz, G., Basletic, M., Bibes, M., Carretero, C., Tafra, E., Jacquet, E., ...
LaAlO3/SrTiO3 structures showing high mobility conduction have recently aroused large expectations as they might represent a major step towards the conception of all-oxide electronics devices. For...
Q-switched fiber laser based on deformable micro-electro-mechanical mirror. (2006)
Bouyge, D., Crunteanu, A., Blondy, P., Couderc, V., Lhermite, J., Kermene, V., ...
Integration of micro-electro-mechanical deformable mirrors in doped fiber amplifiers. (2006)
Bouyge, D., Blondy, P., Couderc, V., Lhermite, J., Grossard, L., Barthelemy., A.
Single shot spectral interferometry resolved in time. (2006)
Lelek, M., Barthelemy, A., Mansuryan, T., Mouradian, L., Louradour, F.
Novel active Q-Switched fiber laser based on electrostatically actuated micro-mirror system (2006)
Barthelemy., A., Blondy, P., Bouyge, D., Couderc, V., Crunteanu, A., Desfarges-Berthelemot, A., ...
Herranz, G., Basletic, M., Bibes, M., Ranchal, R., Hamzic, A., Tafra, E., ...
We report on the growth of heterostructures composed of layers of the high-Curie temperature ferromagnet Co-doped (La,Sr)TiO3 (Co-LSTO) with high-mobility SrTiO3 (STO) substrates processed at low...
Combining half-metals and multiferroics into epitaxial heterostructures for spintronics (2005)
Bea, H., Bibes, M., Sirena, M., Herranz, G., Bouzehouane, K., Jacquet, E., ...
We report on the growth of epitaxial bilayers of the La2/3Sr1/3MnO3 (LSMO) half-metallic ferromagnet and the BiFeO3 (BFO) multiferroic, on SrTiO3(001) by pulsed laser deposition. The growth mode of...
Herranz, G., Ranchal, R., Bibes, M., Jaffres, H., Jacquet, E., Maurice, J. L., ...
We report on tunneling magnetoresistance (TMR) experiments that demonstrate the existence of a significant spin polarization in Co-doped (La,Sr)TiO3-d (Co-LSTO), a ferromagnetic diluted magnetic...
Spin-dependent tunneling through high-k LaAlO3 (2005)
Garcia, V., Bibes, M., Jacquet, E., Bouzehouane, K., ...
We report on the use of the LaAlO3 (LAO) high-k dielectric as a tunnel barrier in magnetic tunnel junctions. From tunnel magnetoresistance (TMR) measurements on epitaxial...
Spin filtering through ferromagnetic BiMnO3 tunnel barriers (2005)
Gajek, M., Bibes, M., Barthelemy, A., Bouzehouane, K., Fusil, S., Varela, M., ...
We report on experiments of spin filtering through ultra-thin single-crystal layers of the insulating and ferromagnetic oxide BiMnO3 (BMO). The spin polarization of the electrons tunneling from a...
Influence of parasitic phases on the properties of BiFeO3 epitaxial thin films (2005)
Bea, H., Bibes, M., Barthelemy, A., Bouzehouane, K., Jacquet, E., Khodan, A., ...
We have explored the influence of deposition pressure and temperature on the growth of BiFeO3 thin films by pulsed laser deposition onto (001)-oriented SrTiO3 substrates. Single-phase BiFeO3 films...
Nanoscale Analysis of a Co-SrTiO3 Interface in a Magnetic Tunnel Junction (2003)
Maurice, J. L., Pailloux, F., Imhoff, D., Contour, J. P., Barthelemy, A.
We use High Resolution Electron Microscopy together with Electron Energy Loss Spectroscopy to analyze the crystallography and the chemical configuration of a Co/SrTiO3 interface in a...
Nearly total spin polarization in La2/3Sr1/3MnO3 from tunneling experiments (2002)
Bowen, M., Bibes, M., Barthelemy, A., Anane, A., Lemaitre, Y., ...
We have performed magnetotransport measurements on La2/3Sr1/3MnO3 / SrTiO3 / La2/3Sr1/3MnO3 magnetic tunnel junctions. A magnetoresistance ratio of more than 1800 % is obtained at 4K, from which we...
Besse, M, Cros, V, Barthelemy, A, Jaffres, H, Vogel, J, Petroff, F, ...
Collisions between two dimensional quadratic spatial solitons in PPLN (2000)
Barthelemy, A, Bourliaguet, B, Couderc, V, DeAngelis, C, Gringoli, F, Ross, G W, ...
Collisions between two dimensional quadratic spatial solitons in PPLN (2000)
Barthelemy, A, Bourliaguet, B, Couderc, V, DeAngelis, C, Gringoli, F, Ross, G W, ...
Collisions between two dimensional quadratic spatial solitons in PPLN (2000)
Barthelemy, A., Bourliaguet, B., Couderc, V., De Angelis, C., Gringoli, F., Ross, G.W., ...
Self-guided waves (spatial solitons) that can be excited in quadratic nonlinear media have been extensively studied for their potential applications in ultra-fast all-optical processing. We have...
Collisions between two dimensional quadratic spatial solitons in PPLN (2000)
Barthelemy, A, Bourliaguet, B, Couderc, V, DeAngelis, C, Gringoli, F, Ross, G W, ...
Observation of quadratic spatial solitons in periodically poled lithium niobate (1999)
Bourliaguet, B, Couderc, V, Barthelemy, A, Ross, G W, Smith, P G R, Hanna, D C, ...
Observation of quadratic spatial solitons in periodically poled lithium niobate (1999)
Bourliaguet, B, Couderc, V, Barthelemy, A, Ross, G W, Smith, P G R, Hanna, D C, ...
Observation of quadratic spatial solitons in periodically poled lithium niobate (1999)
Bourliaguet, B, Couderc, V, Barthelemy, A, Ross, G W, Smith, P G R, Hanna, D C, ...
Soliton Self Trapping of Light Beams, (1992)
Barthelemy, A., Froehly, C., Guy, O., Shalaby, M., Reynaud, F.
Spatial Solitons are monochromatic patterns exhibiting stable self-trapping above their self-focusing threshold. Self-trapping stability requires the two-dimensionality of the propagating fields. We...
Davin-Regli, A, Monnet, D, Saux, P, Bosi, C, Charrel, R, Barthelemy, A, ...
To evaluate the respective contributions of patient-to-patient transmission and endogenous acquisition of Enterobacter aerogenes isolates, we conducted a prospective epidemiologic study in two...
Davin-Regli, A, Monnet, D, Saux, P, Bosi, C, Charrel, R, Barthelemy, A, ...
To evaluate the respective contributions of patient-to-patient transmission and endogenous acquisition of Enterobacter aerogenes isolates, we conducted a prospective epidemiologic study in two...