153 citations · 725 across the 23 of their papers we have counts for
18 papers · 1 filter
Observation of the superconducting-insulating transition in a BiSr(La)CuO thin film tuned by varying the oxygen content
I Matei, Z Z Li, H Raffy
We have conducted a highly precise doping controlled experiment on a thin film of the single layer cuprate Bi2Sr2-xLaxCuOy (x = 0.6), in order to observe the superconducting insula…
Magnetoresistance and Hall effect in e-doped superconducting SrLaCuO thin films
V. Jovanovic, Z. Z. Li, F. Bouquet +2
We have epitaxially grown c-axis oriented SrxLa1-xCuO2 thin films by rf sputtering on KTaO3 substrates with x = 0.12. The as-grown deposits are insulating and a series of supercond…
Influence of oxygen reduction on the structural and electronic properties of electron-doped Sr1-xLaxCuO2 thin films
Z. Z. Li, V. Jovanovic, H. Raffy +1
Single phase, c-axis oriented, e-doped, Sr1-xLaxCuO2 thin films were epitaxially grown on KTaO3 and DyScO3 substrates by reactive rf sputtering. As-grown films being insulating due…
Characterizing the insulator adjacent to the superconductor in BiSrLaCuO ()
L. Fruchter, Z. Z. Li, H. Raffy
The time-averaged and low--frequency noise transport properties were investigated in the vicinity of the superconductor--insulator transition for a BiSrLaCuO$_{6+…
Protected nodes and the collapse of the Fermi arcs in high Tc cuprates
A. Kanigel, U. Chatterjee, M. Randeria +6
Angle resolved photoemission on underdoped Bi2Sr2CaCu2O8 reveals that the magnitude and d-wave anisotropy of the superconducting state energy gap are independent of temperature all…
Influence of Disorder on the Hall Effect in BiSrCuO
L. Fruchter, H. Raffy, F. Bouquet +1
The in-plane resistivity and Hall coefficient have been measured for the single-layer compound BiSrCuO for the whole range of doping states. The deviation of the Ha…
Upper critical field from normal state fluctuations in BiSrCuO
F. Bouquet, L. Fruchter, I. Sfar +2
The in-plane magnetoresistance of an epitaxial BiSrCuO thin film was systematically investigated as a function of doping, above . The orbital magnetoconductanc…
The change of Fermi surface topology in Bi2Sr2CaCu2O8 with doping
A. Kaminski, S. Rosenkranz, H. M. Fretwell +6
We report the observation of a change in Fermi surface topology of Bi2Sr2CaCu2O8 with doping. By collecting high statistics ARPES data from moderately and highly overdoped samples…
Non-dispersive Fermi arcs and absence of charge ordering in the pseudogap phase of Bi2Sr2CaCu2O8+d
U. Chatterjee, M. Shi, A. Kaminski +12
The autocorrelation of angle resolved photoemission data from the high temperature superconductor Bi2Sr2CaCu2O8+d shows distinct peaks in momentum space which disperse with binding…
Current dependent fluctuations in a BiSrCuO thin film
I. Sfar, Z. Z. Li, F. Bouquet +2
The current dependence of the excess conductivity is measured up to for a BiSrCuO thin film, as a function of doping. It is found to be anomalously s…
Interplay of Doping and Structural Modulation in Superconducting Bi2Sr2-xLaxCuO6+d thin films
Z. Z. Li, H. Raffy, S. Bals +2
We have studied the evolution of the structural modulation in epitaxial, c-axis oriented, Bi2Sr2-xLaxCuO6+d thin films when varying the La content x and for a given x as a function…
The in-plane electrodynamics of the superconductivity in Bi2Sr2CaCu2O8+d: energy scales and spectral weight distribution
A. F. Santander-Syro, R. P. S. M. Lobo, N. Bontemps +5
The in-plane infrared and visible (3 meV-3 eV) reflectivity of Bi2Sr2CaCu2O8+d (Bi-2212) thin films is measured between 300 K and 10 K for different doping levels with unprecedente…
Non linear excess conductivity of BiSrCaCuO (n = 1,2), thin films
L. Fruchter, I. Sfar, F. Bouquet +2
The suppression of excess conductivity with electric field is studied for BiSrCaCuO ( = 1, 2) thin films. A pulse-probe technique is used, which a…
Anomalous dissipation in the mixed state of underdoped cuprates close to the superconductor-insulator boundary
C. Capan, K. Behnia, Z. Z. Li +2
We present a comparative study of Nernst effect and resistivity in underdoped samples of BiSrCuO and LaSrCuO. The Nernst effect presents a peak in…
Failure of the empirical OCT law in the Bi2Sr2CuO6+d compound
Z. Konstantinovic, G. Le Bras, A. Forget +6
We have studied the evolution of the thermoelectric power S(T) with oxygen doping of single-layered Bi2Sr2CuO6+d thin films and ceramics in the overall superconducting (Tc, S290K)…
Crossover from coherent to incoherent electronic excitations in the normal state of Bi2Sr2CaCu2O8
A. Kaminski, S. Rosenkranz, H. M. Fretwell +5
Angle resolved photoemission spectroscopy (ARPES) and resistivity measurements are used to explore the overdoped region of the high temperature superconductor Bi2Sr2CaCu2O8+delta.…
Superconducting Gap, Pseudogap and Their Relationship Investigated by Break-junction Tunneling Spectroscopy on Single Crystals
Y. Xuan, H. J. Tao, Z. Z. Li +4
Temperature and doping dependent tunneling spectroscopy on single crystals has been investigated by using break-junction technique. The results provide dire…
Direct measurement of single fluxoid dynamics in superconducting rings
J. R. Kirtley, C. C. Tsuei, H. Raffy +4
We have measured the dynamics of individual magnetic fluxoids entering and leaving thin film, photolithographically patterned rings of underdoped high-temperature superconductor BS…