Li, Z. Z., Jovanovic, V., Raffy, H., Megtert, S.
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 to oxygen excess,...
Fruchter, L., Li, Z. Z., Raffy, H.
The time-averaged and low--frequency noise transport properties were investigated in the vicinity of the superconductor--insulator transition for a Bi$_2$Sr$_{2-x}$La$_{x}$CuO$_{6+\delta}$ ($x=0.3$)...
Protected nodes and the collapse of the Fermi arcs in high Tc cuprates (2007)
Kanigel, A., Chatterjee, U., Randeria, M., Norman, M. R., Souma, S., Shi, M., ...
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 the way up to Tc....
Resistance noise in Bi_2Sr_2CaCu_2O$_{8+\delta}$ (2007)
Fruchter, L., Raffy, H., Li, Z. Z.
The resistance noise in a Bi_2Sr_2CaCu_2O$_{8+\delta}$ thin film is found to increase strongly in the underdoped regime. While the increase of the raw resistance noise with decreasing temperature...
Chatterjee, U., Shi, M., Kaminski, A., Kanigel, A., Fretwell, H. M., Terashima, K., ...
We find that peaks in the autocorrelation of angle resolved photoemission spectroscopy data of Bi$_2$Sr$_2$CaCu$_2$O$_{8+\delta}$ in the superconducting state show dispersive behavior for binding...
Capan, C., Behnia, K., Li, Z. Z., Raffy, H., Marin, C.
We present a comparative study of Nernst effect and resistivity in underdoped samples of Bi$_2$Sr$_2$CuO$_{6+\delta}$ and La$_{2-x}$Sr$_{x}$CuO$_4$. The Nernst effect presents a peak in a region of...
Influence of Disorder on the Hall Effect in Bi$_2$Sr$_2$CuO$_{6+\delta}$ (2006)
Fruchter, L., Raffy, H., Bouquet, F., Li, Z. Z.
The in-plane resistivity and Hall coefficient have been measured for the single-layer compound Bi$_2$Sr$_2$CuO$_{6+\delta}$ for the whole range of doping states. The deviation of the Hall...
Santander-Syro, A. F., Bontemps, N., Lopera, W., Girata, D., Konstantinovic, Z., ...
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 unprecedented accuracy. The...
Pairing in cuprates from high energy electronic states (2006)
Santander-Syro, A. F., Bontemps, N., Konstantinovic, Z., Li, Z. Z., Raffy, H.
The in-plane optical conductivity of Bi2Sr2CaCu2O8+d thin films with small carrier density (underdoped) up to large carrier density (overdoped) is analyzed with unprecedented accuracy. Integrating...
Absence of a pseudogap in the in-plane infrared response of Bi2Sr2CaCu2O(8+d) (2006)
Santander-Syro, A. F., Bontemps, N., Konstantinovic, Z., Li, Z. Z., Raffy, H.
The ab-plane reflectance of Bi2Sr2CaCu2O(8+d) thin films was measured in the 30-25000 cm^(-1) range for one underdoped (Tc = 70 K), and one overdoped sample (Tc = 63 K) as a function of temperature...
From Fermi Arcs to the Nodal Metal: Scaling of the Pseudogap with Doping and Temperature (2006)
Kanigel, A., Norman, M. R., Randeria, M., Chatterjee, U., Suoma, S., Kaminski, A., ...
The pseudogap phase in the cuprates is a most unusual state of matter: it is a metal, but its Fermi surface is broken up into disconnected segments known as Fermi arcs. Using angle resolved...
Areas of rapid forest-cover change in boreal Eurasia (2006)
Achard, F., Mollicone, D., Stibig, H. J., Aksenov, D., Laestadius, L., Li, Z. Z., ...
Ansary-Moghaddam, A., Huxley, Rachel, Barzi, Federica, Lawes, C. M. M., Ohkubo, T., Fang, X. H., ...
Copyright © 2006 American Association for Cancer Research
Ansary-Moghaddam, A., Huxley, Rachel, Barzi, Federica, Lawes, C. M. M., Ohkubo, T., Fang, X. H., ...
Copyright © 2006 American Association for Cancer Research
Upper critical field from normal state fluctuations in Bi$_2$Sr$_2$CuO$_{6+\delta}$ (2005)
Bouquet, F., Fruchter, L., Sfar, I., Li, Z. Z., Raffy, H.
The in-plane magnetoresistance of an epitaxial Bi$_2$Sr$_2$CuO$_{6+\delta}$ thin film was systematically investigated as a function of doping, above $T_c$. The orbital magnetoconductance is used to...
The change of Fermi surface topology in Bi2Sr2CaCu2O8 with doping (2005)
Kaminski, A., Rosenkranz, S., Fretwell, H. M., Norman, M. R., Randeria, M., Campuzano, J. C., ...
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 and dividing the...
Current dependent fluctuations in a Bi$_2$Sr$_2$CuO$_{6+\delta}$ thin film (2005)
Sfar, I., Li, Z. Z., Bouquet, F., Raffy, H., Fruchter, L.
The current dependence of the excess conductivity is measured up to $\simeq 3 T_c$ for a Bi$_2$Sr$_2$CuO$_{6+\delta}$ thin film, as a function of doping. It is found to be anomalously sensitive to...
Chatterjee, U., Shi, M., Kaminski, A., Kanigel, A., Fretwell, H. M., Terashima, K., ...
The autocorrelation of angle resolved photoemission data from the high temperature superconductor Bi2Sr2CaCu2O8+d shows distinct peaks in momentum space which disperse with binding energy in the...
Interplay of Doping and Structural Modulation in Superconducting Bi2Sr2-xLaxCuO6+d thin films (2005)
Li, Z. Z., Raffy, H., Bals, S., Van Tendeloo, G., Megtert, S.
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 of oxygen content....
Woodward, M., Lam, T. H., Barzi, Federica, Patel, Ashvin K., Gu, D. F., Rodgers, A., ...
Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2005; all rights reserved.
Woodward, M., Lam, T. H., Barzi, Federica, Patel, Ashvin K., Gu, D. F., Rodgers, A., ...
Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2005; all rights reserved.
Momentum anisotropy of the scattering rate in cuprate superconductors (2004)
Kaminski, A., Fretwell, H. M., Norman, M. R., Randeria, M., Rosenkranz, S., Chatterjee, U., ...
We examine the momentum and energy dependence of the scattering rate of the high temperature cuprate superconductors using angle resolved photoemission spectroscopy. The scattering rate is of the...
Santander-Syro, A. F., Bontemps, N., Lopera, W., Girata, D., Konstantinovic, Z., ...
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 unprecedented accuracy. The...
Momentum anisotropy of the scattering rate in cuprate superconductors (2004)
Kaminski, A., Fretwell, H. M., Norman, M. R., Randeria, M., Rosenkranz, S., Campuzano, J. C., ...
We examine the momentum and energy dependence of the scattering rate of the high temperature cuprate superconductors using angle resolved photoemission spectroscopy. The scattering rate is of the...
Robust dx2-y2 pairing symmetry in high-temperature superconductors (2004)
Tsuei, C. C., Kirtley, J. R., Hammerl, G., Mannhart, J., Raffy, H., Li, Z. Z.
Although initially quite controversial, it has been widely accepted that the Cooper pairs in optimally doped cuprate superconductors have predominantly dx2-y2 wavefunction symmetry. The controversy...
Rodgers, A., Pan, W-H., Gu, D F., Woodward, M., Parag, V., ...
Copyright © 2008 International Epidemiological Association
Rodgers, A., Pan, W-H., Gu, D F., Woodward, M., Parag, V., ...
Copyright © 2008 International Epidemiological Association
Identifying the Background Signal in ARPES of High Temperature Superconductors (2003)
Kaminski, A., Rosenkranz, S., Fretwell, H. M., Mesot, J., Randeria, M., Campuzano, J. C., ...
One of the interesting features of the photoemission spectra of the high temperature cuprate superconductors is the presence of a large signal (referred to as the "background'') in the unoccupied...
Fruchter, L., Sfar, I., Bouquet, F., Li, Z. Z., Raffy, H.
The suppression of excess conductivity with electric field is studied for Bi$_2$Sr$_2$Ca$_{n-1}$Cu$_n$O$_{2n+4+x}$ ($n$ = 1, 2) thin films. A pulse-probe technique is used, which allows for an...
Kaminski, A., Rosenkranz, S., Fretwell, H. M., Campuzano, J. C., Li, Z. Z., Raffy, H., ...
In a recent comment [1], Armitage and Hu have suggested that our experiment observing dichroism in angle resolved photoemission (ARPES) [2] could not be conclusively interpreted as arising from time...
Fluxoid dynamics in superconducting thin film rings (2003)
Kirtley, J. R., Tsuei, C. C., Kogan, V. G., Clem, J. R., Raffy, H., Li, Z. Z.
We have measured the dynamics of individual magnetic fluxoids entering and leaving photolithographically patterned thin film rings of the underdoped high-temperature superconductor...
Capan, C., Behnia, K., Li, Z. Z., Raffy, H., Marin, C.
We present a comparative study of Nernst effect and resistivity in underdoped samples of Bi$_2$Sr$_2$CuO$_{6+\delta}$ and La$_{2-x}$Sr$_{x}$CuO$_4$. The Nernst effect presents a peak in a region of...
Failure of the empirical OCT law in the Bi2Sr2CuO6+d compound (2002)
Konstantinovic, Z., Bras, G. Le, Forget, A., Colson, D., Jean, F., Collin, G., ...
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) phase diagram....
Pairing in cuprates from high energy electronic states (2001)
Santander-Syro, A. F., Bontemps, N., Konstantinovic, Z., Li, Z. Z., Raffy, H.
The in-plane optical conductivity of Bi2Sr2CaCu2O8+d thin films with small carrier density (underdoped) up to large carrier density (overdoped) is analyzed with unprecedented accuracy. Integrating...
Xuan, Y., Tao, H. J., Li, Z. Z., Lin, C. T., Ni, Y. M., Zhao, B. R., ...
Temperature and doping dependent tunneling spectroscopy on $Bi_2Sr_2CaCu_2O_{8+\delta}$ single crystals has been investigated by using break-junction technique. The results provide direct evidence...
Absence of a pseudogap in the in-plane infrared response of Bi2Sr2CaCu2O(8+d) (2001)
Santander-Syro, A. F., Bontemps, N., Konstantinovic, Z., Li, Z. Z., Raffy, H.
The ab-plane reflectance of Bi2Sr2CaCu2O(8+d) thin films was measured in the 30-25000 cm^(-1) range for one underdoped (Tc = 70 K), and one overdoped sample (Tc = 63 K) as a function of temperature...
Direct measurement of single fluxoid dynamics in superconducting rings (2001)
Kirtley, J. R., Tsuei, C. C., Raffy, H., Li, Z. Z., Kogan, V. G., Clem, J. R., ...
We have measured the dynamics of individual magnetic fluxoids entering and leaving thin film, photolithographically patterned rings of underdoped high-temperature superconductor BSCCO using a...
Campuzano, J. C., Ding, H., Norman, M. R., Fretwell, H. M., Randeria, M., Kaminski, A., ...
Photoemission spectra of Bi2Sr2CaCu2O8 reveal that the high energy feature near (pi,0), the "hump", scales with the superconducting gap and persists above Tc in the pseudogap phase. As the doping...
Polarized Light Scattering as a Rapid and Sensitive Assay for Metal Toxicity to Bacteria (1998)
Li, Z. Z., Czege, J., Bronk, B. V.
A new method that utilizes the scattering of polarized light from a suspension of bacteria to assay the effect of toxins is evaluated. The method compares the time dependence of changes in an angular...
Bronk, B. V., Faey, N., Li, Z. Z., Czege, J., Herd, R.
Reduction of silver ions in and on bacterial cells was shown to produce silver colloids giving rise to intense surface enhanced Raman spectra (SERS) of chemical components of the cell. Transmission...
Perrin, A., Li, Z.Z., Peña, O., Padiou, J., Sergent, M.
Superconducting thin films of YBa2Cu3O7- x have been prepared by d.c. sputtering deposition followed by a suitable thermal treatment. The deposition parameters were optimized in order to obtain ideal...
Perrin, A., Li, Z.Z., Peña, O., Padiou, J., Sergent, M.
Superconducting thin films of YBa2Cu3O7- x have been prepared by d.c. sputtering deposition followed by a suitable thermal treatment. The deposition parameters were optimized in order to obtain ideal...
Perrin, A., Li, Z.Z., Peña, O., Padiou, J., Sergent, M.
Superconducting thin films of YBa2Cu3O7- x have been prepared by d.c. sputtering deposition followed by a suitable thermal treatment. The deposition parameters were optimized in order to obtain ideal...
Polarized light scattering for rapid observation of bacterial size changes.
Van De Merwe, W P, Li, Z Z, Bronk, B V, Czégé, J
The effect of changing growth conditions on the diameter of rod-shaped bacteria was studied in vivo with the use of polarized light scattering. The value of a ratio of scattering matrix elements was...
Polarized light scattering for rapid observation of bacterial size changes.
Van De Merwe, W P, Li, Z Z, Bronk, B V, Czégé, J
The effect of changing growth conditions on the diameter of rod-shaped bacteria was studied in vivo with the use of polarized light scattering. The value of a ratio of scattering matrix elements was...