Xia, Jing, Schemm, Elizabeth, Deutscher, G., Kivelson, S. A., Bonn, D. A., Hardy, W. N., ...
Polar Kerr effect in the high-Tc superconductor \YBCO was measured at zero magnetic field with high precision using a cyogenic Sagnac fiber interferometer. We observed non-zero Kerr rotations of...
Leibovitch, G., Beck, R., Dagan, Y., Hacohen, S., Deutscher, G.
We report planar tunneling measurements on thin films of YBa$_2$Cu$_3$O$_{7-x}$ at various doping levels under magnetic fields. By choosing a special setup configuration, we have probed a field...
Elhalel, G., Beck, R., Leibovitch, G., Deutscher, G.
We have probed the Landau levels of nodal quasi-particles by tunneling along a nodal direction of (110) oriented YBa$_2$Cu$_3$O$_{7-x}$ thin films with a magnetic field applied perpendicular to the...
Deutscher, G., Santander-Syro, A. F., Bontemps, N.
In conventional BCS superconductors, the electronic kinetic energy increases upon superfluid condensation (the change DEkin is positive). Here we show that in the high critical temperature...
Anomalous Fermi Liquid Behavior of Overdoped High-Tc Superconductors (2004)
According to a generic temperature vs. carrier-doping (T-p) phase diagram of high-temperature superconductors it has been proposed that as doping increases to the overdoped region they approach...
Remarkable change of tunneling conductance in YBCO films in fields up to 32.4T (2004)
Beck, R., Dagan, Y., Milner, A., Leibovitch, G., Gerber, A., Mints, R. G., ...
We studied the tunneling density of states in YBCO films under strong currents flowing along node directions. The currents were induced by fields of up to 32.4T parallel to the film surface and...
Evidence for a Bulk Complex Order-Parameter in Y0.9Ca0.1Ba2Cu3O7-delta Thin Films (2004)
Farber, E., Deutscher, G., Gorshunov, B, Dressel, M.
We have measured the penetration depth of overdoped Y0.9Ca0.1Ba2Cu3O7-delta (Ca-YBCO) thin films using two different methods. The change of the penetration depth as a function of temperature has been...
Sharoni, A., Leibovitch, G., Kohen, A., Beck, R., Deutscher, G., Koren, G., ...
Tunneling spectroscopy of epitaxial (100) oriented \chem{YBa_2Cu_3O_{7-\delta}} films was performed using an STM at 4.2 K. On atomically smooth areas, tunneling spectra revealing clear U-shaped gaps...
Andreev reflections on Y1-xCaxBa2Cu3O7-delta evidence for an unusual proximity effect (2003)
Kohen, A., Leibovitch, G., Deutscher, G.
We have measured Andreev reflections between an Au tip and Y_{1-x}Ca_{x}Ba_{2}Cu_{3}O_{7 - \delta} thin films in the in-plane orientation. The conductance spectra are best fitted with a pair...
Beck, R., Dagan, Y., Milner, A., Gerber, A., Deutscher, G.
hether the node in the order parameter characteristic of a $d-wave$ superconductor can or cannot be removed by an applied magnetic field has been a subject of debate in recent years. Thermal...
We have measured the differential Conductance of Au/Y1-xCaxBa2Cu3O7-delta point contacts in the regime where it is dominated by Andreev reflection, which enhances its value at low bias. We find that...
Beck, R., Kohen, A., Leibovitch, G., Castro, H., Deutscher, G.
We have studied the evolution of the Zero-Bias Conductance Peak (ZBCP) splitting under applied magnetic fields in tunneling experiments on Y1Ba2Cu3O7-x(YBCO), and particular its hysteresis. We have...
Using a hybrid superconducting-ferromagnetic tip as a magnetic scanning tunneling microscope (2002)
Approaching a two-component tip made of a superconductor (S) and a ferromagnet (F) from a magnetic sample allows for two distinct tunneling processes between the ferromagnets, through S: i) Charge...
Millo, A. Sharoni O., Kohen, A., Dagan, Y., Beck, R., Deutscher, G., Koren, G.
Tunneling spectroscopy of epitaxial (110) Y1-xCaxBa2Cu3O7-d films reveals a doping dependent transition from pure d(x2-y2) to d(x2-y2)+is or d(x2-y2)+idxy order parameter. The subdominant (is or...
We have measured the field dependence of the Zero Bias Conductance Peak (ZBCP) of tunnel junctions prepared on (110) oriented Y1Ba2Cu3O7-d films of various thickness. We have found that the field...
We have performed differential conductance versus voltage measurements of Au/MgB2 point contacts. We find that the dominant component in the conductance is due to Andreev reflection. The results are...
Cochec, J. Le, Lamura, G., Gauzzi, A., Licci, F., Revcolevschi, A., Erb, A., ...
We report on measurements of the low temperature dependence of the magnetic penetration depth lambda_ab in several single crystals of La_2-xSr_xCuO_4, Bi_2Sr_2CaCu_2O_8 and YBa_2Cu_3O_6+x at various...
Meunier, F., Burger, J. P., Deutscher, G., Guyon, E.
An increase has been observed in the T sub c of superconducting metals mixed with polarizable molecules. The results are discussed in the light of recent theories of enhancement of T sub c.
Plasma frequency determination in YBa2Cu3O6+x as a function of oxygen content (1989)
Bontemps, N., Fournier, D., Boccara, A.C., Monod, P., Alloul, H., Arabski, J., ...
We have measured the optical reflectivity of a set of YBa2Cu3O6+x polycrystalline samples for 0 < x < 1. We have worked out a rigorous approach of the anisotropy in order to compute the reflectivity...
De Rango, P., Giordanengo, B., Tournier, R., Sulpice, A., Chaussy, J., Deutscher, G., ...
The study of the magnetization « irreversibility line » of a Bi2-xPbxSr2Ca2Cu3O10 compound with a critical temperature T c of 110 K is presented. At low temperatures, we observe H* ∼ e-T/T0...
Plasma frequency determination in YBa2Cu3O6+x as a function of oxygen content (1989)
Bontemps, N., Fournier, D., Boccara, A.C., Monod, P., Alloul, H., Arabski, J., ...
We have measured the optical reflectivity of a set of YBa2Cu3O6+x polycrystalline samples for 0 < x < 1. We have worked out a rigorous approach of the anisotropy in order to compute the reflectivity...
De Rango, P., Giordanengo, B., Tournier, R., Sulpice, A., Chaussy, J., Deutscher, G., ...
The study of the magnetization « irreversibility line » of a Bi2-xPbxSr2Ca2Cu3O10 compound with a critical temperature T c of 110 K is presented. At low temperatures, we observe H* ∼ e-T/T0...
Plasma frequency determination in YBa2Cu3O6+x as a function of oxygen content (1989)
Bontemps, N., Fournier, D., Boccara, A.C., Monod, P., Alloul, H., Arabski, J., ...
We have measured the optical reflectivity of a set of YBa2Cu3O6+x polycrystalline samples for 0 < x < 1. We have worked out a rigorous approach of the anisotropy in order to compute the reflectivity...
De Rango, P., Giordanengo, B., Tournier, R., Sulpice, A., Chaussy, J., Deutscher, G., ...
The study of the magnetization « irreversibility line » of a Bi2-xPbxSr2Ca2Cu3O10 compound with a critical temperature T c of 110 K is presented. At low temperatures, we observe H* ∼ e-T/T0...
Evidence for the metal-insulator transition in a pure 3D metal (1986)
Nedellec, P., Traverse, A., Dumoulin, L., Bernas, H., Amaral, L., Deutscher, G.
Evidence for the metal-insulator transition in a pure 3D metal (1986)
Nedellec, P., Traverse, A., Dumoulin, L., Bernas, H., Amaral, L., Deutscher, G.
Fluctuations of the mass of the infinite cluster at percolation (1984)
Kapitulnik, A., Frid, N., Deutscher, G.
We have measured the fluctuations of the mass M of the infinite cluster in percolation, as well as those of fractal objects and discontinuous thin films of Pb. It was found that these fluctuations...
Hall coefficient and conduction in a 2D percolation system (1984)
Palevski, A., Rappaport, M.L., Kapitulnik, A., Fried, A., Deutscher, G.
Complementary measurements of the conductivity and the Hall coefficient in 2D semi-continuous thin films of Au have been performed. It is shown that the sheet conductance near the percolation...
Fluctuations of the mass of the infinite cluster at percolation (1984)
Kapitulnik, A., Frid, N., Deutscher, G.
We have measured the fluctuations of the mass M of the infinite cluster in percolation, as well as those of fractal objects and discontinuous thin films of Pb. It was found that these fluctuations...
Hall coefficient and conduction in a 2D percolation system (1984)
Palevski, A., Rappaport, M.L., Kapitulnik, A., Fried, A., Deutscher, G.
Complementary measurements of the conductivity and the Hall coefficient in 2D semi-continuous thin films of Au have been performed. It is shown that the sheet conductance near the percolation...
Fluctuations of the mass of the infinite cluster at percolation (1984)
Kapitulnik, A., Frid, N., Deutscher, G.
We have measured the fluctuations of the mass M of the infinite cluster in percolation, as well as those of fractal objects and discontinuous thin films of Pb. It was found that these fluctuations...
Hall coefficient and conduction in a 2D percolation system (1984)
Palevski, A., Rappaport, M.L., Kapitulnik, A., Fried, A., Deutscher, G.
Complementary measurements of the conductivity and the Hall coefficient in 2D semi-continuous thin films of Au have been performed. It is shown that the sheet conductance near the percolation...
The effect of crystallinity on the morphology of evaporated Al-Ge thin films (1981)
Kapitulnik, A., Rappaport, M.L., Deutscher, G.
Al-Ge mixtures have been co-evaporated onto glass substrates heated to ∼ 180 °C. At this temperature both the Al and the Ge were crystalline. Electron micrographs show a random structure....
The effect of crystallinity on the morphology of evaporated Al-Ge thin films (1981)
Kapitulnik, A., Rappaport, M.L., Deutscher, G.
Al-Ge mixtures have been co-evaporated onto glass substrates heated to ∼ 180 °C. At this temperature both the Al and the Ge were crystalline. Electron micrographs show a random structure....
The effect of crystallinity on the morphology of evaporated Al-Ge thin films (1981)
Kapitulnik, A., Rappaport, M.L., Deutscher, G.
Al-Ge mixtures have been co-evaporated onto glass substrates heated to ∼ 180 °C. At this temperature both the Al and the Ge were crystalline. Electron micrographs show a random structure....
Deutscher, G., Rappaport, M.L.
The critical currents of Al-Ge and Pb-Ge thin film alloys have been measured as a function of the metal volume fraction x. They have been found to vary as (x - xc)v where xc is the value of x at the...
Deutscher, G., Rappaport, M.L.
The critical currents of Al-Ge and Pb-Ge thin film alloys have been measured as a function of the metal volume fraction x. They have been found to vary as (x - xc)v where xc is the value of x at the...
Deutscher, G., Rappaport, M.L.
The critical currents of Al-Ge and Pb-Ge thin film alloys have been measured as a function of the metal volume fraction x. They have been found to vary as (x - xc)v where xc is the value of x at the...
MAGNETIC PENETRATION DEPHT IN GRANULAR Al-Al2O3 FILMS (1978)
Abraham, D., Deutscher, G., Rosenbaum, R., Wolf, S.
The magnetic pénétration depth λ in granular Al-Al2O3 superconducting films has been measured as a function of the normal state resistivity ρn and température T. It was found that λ...
SUPERCONDUCTIVITY AND PERCOLATION IN Al-Ge FILMS (1978)
A double superconducting transition in co-evaporated Al-Ge films can be observed in both their resistance-temperature and current-voltage characteristics. An explanation is offered in terms of...
MAGNETIC PENETRATION DEPHT IN GRANULAR Al-Al2O3 FILMS (1978)
Abraham, D., Deutscher, G., Rosenbaum, R., Wolf, S.
The magnetic pénétration depth λ in granular Al-Al2O3 superconducting films has been measured as a function of the normal state resistivity ρn and température T. It was found that λ...
SUPERCONDUCTIVITY AND PERCOLATION IN Al-Ge FILMS (1978)
A double superconducting transition in co-evaporated Al-Ge films can be observed in both their resistance-temperature and current-voltage characteristics. An explanation is offered in terms of...
MAGNETIC PENETRATION DEPHT IN GRANULAR Al-Al2O3 FILMS (1978)
Abraham, D., Deutscher, G., Rosenbaum, R., Wolf, S.
The magnetic pénétration depth λ in granular Al-Al2O3 superconducting films has been measured as a function of the normal state resistivity ρn and température T. It was found that λ...
SUPERCONDUCTIVITY AND PERCOLATION IN Al-Ge FILMS (1978)
A double superconducting transition in co-evaporated Al-Ge films can be observed in both their resistance-temperature and current-voltage characteristics. An explanation is offered in terms of...
Critical current of granular superconductors (1973)
The transverse critical current of a multilayer system made of thin films separated by Josephson barriers is calculated. It is shown that for very thin barriers, the critical current is inversely...
Critical current of granular superconductors (1973)
The transverse critical current of a multilayer system made of thin films separated by Josephson barriers is calculated. It is shown that for very thin barriers, the critical current is inversely...
Critical current of granular superconductors (1973)
The transverse critical current of a multilayer system made of thin films separated by Josephson barriers is calculated. It is shown that for very thin barriers, the critical current is inversely...
Supraconducteurs inhomogènes et effets de proximité (1971)
Nous étudions dans une première partie l'énergie d'ancrage d'un système de vortex quand l'énergie d'un vortex isolé varie périodiquement dans une direction donnée. Dans une 2e partie, nous...
Supraconducteurs inhomogènes et effets de proximité (1971)
Nous étudions dans une première partie l'énergie d'ancrage d'un système de vortex quand l'énergie d'un vortex isolé varie périodiquement dans une direction donnée. Dans une 2e partie, nous...
Supraconducteurs inhomogènes et effets de proximité (1971)
Nous étudions dans une première partie l'énergie d'ancrage d'un système de vortex quand l'énergie d'un vortex isolé varie périodiquement dans une direction donnée. Dans une 2e partie, nous...