Appearance of Universal Metallic Dispersion in a Doped Mott Insulator (2008)
Sahrakorpi, S., Markiewicz, R. S., Lin, Hsin, Lindroos, M., Zhou, X. J., Yoshida, T., ...
We have investigated the dispersion renormalization $Z_{disp}$ in La$_{2-x}$Sr$_x$CuO$_4$ (LSCO) over the wide doping range of $x=0.03-0.30$, for binding energies extending to several hundred meV's....
Electronic structure of the iron-based superconductor LaOFeP (2008)
Lu, D. H., Yi, M., Erickson, A. S., Analytis, J., ...
The recent discovery of superconductivity in the so-called iron-oxypnictide family of compounds has generated intense interest. The layered crystal structure with transition metal ions in planar...
Knot undulator to generate linearly polarized photons with low on-axis power density (2008)
Qiao, S., Ma, Dewei, Feng, Donglai, Hussain, Z.
Heat load on beamline optics is a serious problem to generate pure linearly polarized photons in the third generation synchrotron radiation facilities. For permanent magnet undulators, this problem...
Abrupt Onset of Second Energy Gap at Superconducting Transition of Underdoped Bi2212 (2008)
Lee, W. S., Vishik, I. M., Tanaka, K., Lu, D. H., Sasagawa, T., Nagaosa, N., ...
The superconducting gap - an energy scale tied to the superconducting phenomena-opens on the Fermi surface at the superconducting transition temperature (TC) in conventional BCS superconductors....
Brouet, V., Yang, W. L., Zhou, X. J., Hussain, Z., Moore, R. G., He, R., ...
We present a detailed ARPES investigation of the RTe3 family, which sets this system as an ideal "textbook" example for the formation of a nesting driven Charge Density Wave (CDW). This family indeed...
Mannella, N., Yang, W. L., Tanaka, K., Zhou, X. J., Zheng, H., Mitchell, J. F., ...
Angle-resolved photoemission spectroscopy data for the bilayer manganite La1.2Sr1.8Mn2O7 show that, upon lowering the temperature below the Curie point, a coherent polaronic metallic groundstate...
Hybridization of 4f states in heavy-fermion compounds YbRh2Si2 and YbIr2Si2 (2007)
Molodtsov, S. L., Danzenbächer, S., Kucherenko, Y., Laubschat, C., Vyalikh, D. V., Hossain, Z., ...
The hierarchy of multiple many-body interaction scales in high-temperature superconductors (2006)
Meevasana, W., Zhou, X. J., Sahrakorpi, S., Lee, W. S., Yang, W. L., Tanaka, K., ...
To date, angle-resolved photoemission spectroscopy has been successful in identifying energy scales of the many-body interactions in correlated materials, focused on binding energies of up to a few...
Distinct Fermi-Momentum Dependent Energy Gaps in Deeply Underdoped Bi2212 (2006)
Tanaka, Kiyohisa, Lee, W. S., Lu, D. H., Fujimori, A., Fujii, T., ...
We use angle-resolved photoemission spectroscopy applied to deeply underdoped cuprate superconductors Bi2Sr2(Ca,Y)Cu2O8 (Bi2212) to reveal the presence of two distinct energy gaps exhibiting...
Yoshida, T., Zhou, X. J., Lu, D. H., Komiya, Seiki, Ando, Yoichi, Eisaki, H., ...
We have performed a systematic angle-resolved photoemission spectroscopy (ARPES) study of the high-Tc cuprates La2-xSrxCuO4, ranging from the underdoped insulator to the superconductor to the...
Mannella, N., Mun, B. S., Kay, A. W., Sell, B. C., ...
We present experimental and theoretical results for the variation of the O 1s intensity from a NiO(001) surface as the excitation energy is varied through the Ni 2p1/2,3/2 absorption resonances, and...
New Strategic Plan Takes the ALS into the Future (2006)
Kirz, J., Chemla, D.S., Feinberg, B., Hussain, Z., Krebs, G.F., Padmore, H.A., ...
A new strategic plan is in place to upgrade the ALS so it can continue to address fundamental questions, such as size-dependent and dimensional-confinement phenomena at the nanoscale; correlation and...
Study of HgBa$_2$CuO$_{4+\delta}$ by Angle-Resolved Photoemission Spectroscopy (2006)
Lee, W. S., Yoshida, T., Meevasana, W., Shen, K. M., Lu, D. H., Yang, W. L., ...
We present the first angle-resolved photoemission measurement on the single-layer Hg-based cuprate, HgBa$_2$CuO$_{4+\delta}$ (Hg1201). A quasi-particle peak in the spectrum and a kink in the band...
Fermi surface and quasiparticle excitations of Sr$_{2}$RhO$_{4}$ (2006)
Baumberger, F., Ingle, N. J. C., Meevasana, W., Shen, K. M., Lu, D. H., Perry, R. S., ...
The electronic structure of the layered 4$d$ transition metal oxide Sr$_{2}$RhO$_{4}$ is investigated by angle resolved photoemission. We find well-defined quasiparticle excitations with a highly...
A role for serotonin (5-HT) in hepatic stellate cell function and liver fibrosis (2006)
Ruddell, RG, Oakley, F, Hussain, Z, Yeung, I, Bryan-Lluka, LJ, Ramm, GA, ...
Hepatic stellate cells (HSCs) are key cellular components of hepatic wound healing and fibrosis. There is emerging evidence that the fibrogenic function of HSCs may be influenced by neurochemical and...
Doping Evolution of the Underlying Fermi Surface in La2-xSrxCuO4 (2005)
Yoshida, T., Zhou, X. J., Tanaka, K., Yang, W. L., Hussain, Z., ...
We have performed a systematic doping dependent study of La$_{2-x}$Sr$_x$CuO$_4$ (LSCO) (0.03$\leq x \leq$0.3) by angle-resolved photoemission spectroscopy. In the entire doping range, the underlying...
Nodal quasiparticle in pseudogapped colossal magnetoresistive manganites (2005)
Mannella, N., Yang, W., Zhou, X. J., Zheng, H., Mitchell, J. F., Zaanen, J., ...
A characteristic feature of the copper oxide high-temperature superconductors is the dichotomy between the electronic excitations along the nodal (diagonal) and antinodal (parallel to the Cu-O bonds)...
We present an application programming interface (API) used to simplify application-level access to both data and semantic range query machinery where both data and search indices are stored and...
Polaronic behavior of undoped high-Tc cuprates (2005)
Rösch, O., Gunnarsson, O., Zhou, X. J., Yoshida, T., Sasagawa, T., Fujimori, A., ...
We present angle-resolved photoemission spectroscopy (ARPES) data on undoped La2CuO4, indicating polaronic coupling between bosons and charge carriers. Using a shell model, we calculate the...
Zhou, X. J., Shi, Junren, Yang, W. L., Komiya, Seiki, Ando, Yoichi, Plummer, W., ...
From consistency among different measurements, new measurements with better energy resolution, as well as simulations, we show that the fine structure we have identified in the electron self-enery of...
Nodal quasiparticle in pseudogapped colossal magnetoresistive manganites (2005)
Mannella, N., Yang, W.L., Zhou, X.J., Zheng, H., Mitchell, J.F., Zaanen, J., ...
Nodal quasiparticle in pseudogapped colossal magnetoresistive manganites (2005)
Mannella, N., Yang, W.L., Zhou, X.J., Zheng, H., Mitchell, J.F., Zaanen, J., ...
Lanzara, A., Bogdanov, P. V., Zhou, X. J., Kaneko, N., Eisaki, H., Greven, M., ...
A detailed study of the normal state photoemission lineshapes and quasiparticle dispersion for the single layer Bi$_2$Sr$_{2-x}$La$_x$CuO$_{6+\delta}$ (Bi2201) superconductor is presented. We report...
Orientation-dependent C60 electronic structures revealed by photoemission (2004)
Brouet, V., Yang, W. L., Zhou, X. J., Choi, H. J., Louie, S. G., Cohen, M. L., ...
We observe, with angle-resolved photoemission, a dramatic change in the electronic structure of two C60 monolayers, deposited respectively on Ag (111) and (100) substrates, and similarly doped with...
Space Charge Effect and Mirror Charge Effect in Photoemission Spectroscopy (2004)
Zhou, X. J., Wannberg, B., Yang, W. L., Brouet, V., Sun, Z., Douglas, J. F., ...
We report the observation and systematic investigation of the space charge effect and mirror charge effect in photoemission spectroscopy. When pulsed light is incident on a sample, the photoemitted...
Space charge effect and mirror charge effect in photoemission spectroscopy (2004)
Zhou, X.J., Wannberg, B., Yang, W.L., Brouet, V., Sun, S., Douglas, J.F., ...
We report the observation and systematic investigation of the space charge effect and mirror charge effect in photoemission spectroscopy. When pulsed light is incident on a sample, the photoemitted...
Multiple Bosonic Mode Coupling in Electron Self-Energy of (La_2-xSr_x)CuO_4 (2004)
Zhou, X. J., Shi, Junren, Yoshida, T., Cuk, T., Yang, W. L., Brouet, V., ...
High resolution angle-resolved photoemission spectroscopy data along the (0,0)-($\pi$,$\pi$) nodal direction with significantly improved statistics reveal fine structure in the electron self-energy...
Mapping the spin-dependent electron reflectivity of Fe and Co ferromagnetic thin films (2004)
Graf, J., Jozwiak, C., Schmid, A. K., Hussain, Z., Lanzara, A.
Spin Polarized Low Energy Electron Microscopy is used as a spin dependent spectroscopic probe to study the spin dependent specular reflection of a polarized electron beam from two different magnetic...
Cuk, T., Baumberger, F., Lu, D. H., Ingle, N., Zhou, X. J., Eisaki, H., ...
Angle-resolved photoemission spectroscopy (ARPES) on optimally doped Bi2Sr2Ca0.92Y0.08Cu2O(8+delta) uncovers a coupling of the electronic bands to a 40 meV mode in an extended k-space region away...
Fermi Surface reconstruction in the CDW state of CeTe3 observed by photoemission (2004)
Brouet, V., Yang, W. L., Zhou, X. J., Hussain, Z., Ru, N., Shin, K. Y., ...
CeTe3 is a layered compound where an incommensurate Charge Density Wave (CDW) opens a large gap (400 meV) in optimally nested regions of the Fermi Surface (FS), whereas other sections with poorer...
Zhou, X. J., Yoshida, T., Yang, W. L., Brouet, V., Zhou, F., ...
High resolution angle-resolved photoemission measurements on underdoped (La$_{2-x}$Sr$_x$)CuO$_4$ system show that, at energies below 70 meV, the quasiparticle peak is well defined around the...
Thermodynamic and transport properties of underdoped cuprates from ARPES data (2004)
Yoshida, T., Zhou, X. J., Yagi, H., Lu, D. H., Tanaka, K., Fujimori, A., ...
he relationship between photoemission spectra of high-$T_{\textrm{c}}$ cuprates and their thermodynamic and transport properties are discussed. The doping dependence of the expected quasi-particle...
Effects of next-nearest-neighbor hopping $t^{\prime}$ on the electronic structure of cuprates (2003)
Tanaka, K., Yoshida, T., Fujimori, A., Lu, D. H., ...
Photoemission spectra of underdoped and lightly-doped Bi$_{2-z}$Pb$_z$Sr$_2$Ca$_{1-x}${\it R}$_{x}$Cu$_2$O$_{8+y}$ ($R=$ Pr, Er) (BSCCO) have been measured and compared with those of...
Hasan, M. Z., Kuprin, A. P., Kong, Y., Qian, D., Li, Y. W., ...
We present an angle-resolved photoemission study of Na0.7CoO2, the host cobaltate of the NaxCoO2.yH2O series. Our results show a large hexagonal-like hole-type Fermi surface, an extremely narrow...
Shi, Junren, Wu, Biao, Sprunger, P. T., Yang, W. L., Brouet, V., ...
We propose a systematic procedure to directly extract the Eliashberg function for electron-phonon coupling from high-resolution angle-resolved photoemission data. The procedure is successfully...
Universal nodal Fermi velocity (2003)
Zhou, X. J., Yoshida, T., Lanzara, A., Bogdanov, P. V., Kellar, S. A., Shen, K. M., ...
Armitage, N. P., Lu, D. H., Kim, C., Damascelli, A., Shen, K. M., Ronning, F., ...
Using methods made possible by recent advances in photoemission technology, we perform an indepth line-shape analysis of the angle-resolved photoemission spectra of the electron doped (n-type)...
Anomalous momentum dependence of the quasiparticle scattering rate in overdoped Bi2Sr2CaCu2O8 (2002)
Bogdanov, P.V., Lanzara, A., Zhou, X.J., Yang, W.L., Eisaki, H., Hussain, Z., ...
The question of the anisotropy of the electron scattering in high temperature superconductors is investigated using high resolution angle-resolved photoemission data from Pb-doped...
Understanding the magnetic anisotropy in Fe-Si amorphous alloys (2002)
Diaz, J., Hamdan, N.M., Jalil, P., Hussain, Z., Valvidares, S.M., Alameda, J.M.
The origin of the magnetic anisotropy in a very disordered Fe-Si alloy has been investigated. The alloy containing 40 percent at. Si was prepared in the form of a thin film in a DC magnetron...
Nodal metallic behavior of lightly-doped La$_{2-x}$Sr$_x$CuO$_4$ (2002)
Yoshida, T., Zhou, X. J., Sasagawa, T., Yang, W. L., Bogdanov, P. V., Lanzara, A., ...
Lightly-doped La$_{2-x}$Sr$_x$CuO$_4$ in the so-called "insulating" spin-glass/diagonal-stripe phase has been studied by angle-resolved photoemission spectroscopy. A quasi-particle (QP) peak crossing...
Holographic analysis of diffraction structure factors (2002)
Marchesini, S., Mannella, N., Fadley, C. S., Van Hove, M. A., Bucher, J. J., Shuh, D. K., ...
We combine the theory of inside-source/inside-detector x-ray fluorescence holography and Kossel lines/x ray standing waves in kinematic approximation to directly obtain the phases of the diffraction...
Measurement of synchrotron pulse durations using surface photovoltage transients (2001)
Glover, T.E., Ackermann, G.D., Belkacem, A., Feinberg, B., Heimann, P.A., Hussain, Z., ...
Evidence for ubiquitous strong electron-phonon coupling in high-temperature superconductors (2001)
Lanzara, A., Bogdanov, P. V., Zhou, X. J., Kellar, S. A., Feng, D. L., Lu, E. D., ...
Coupling between electrons and phonons (lattice vibrations) drives the formation of the electron pairs responsible for conventional superconductivity. The lack of direct evidence for electron-phonon...
Electron-like Fermi surface and Remnant (pi,0) features in overdoped La(1.78)Sr(0.22)CuO4 (2001)
Yoshida, T., Zhou, X.J., Nakamura, M., Kellar, S.A., Bogdanov, P.V., Lu, E.D., ...
We have performed an angle-resolved photoemission study of overdoped La1.78Sr0.22CuO4, and have observed sharp nodal quasiparticle peaks in the second Brillouin zone that are comparable to data from...
Electron-Like Fermi Surface and Remnant (pi,0) Feature in Overdoped La1.78Sr0.22CuO4 (2000)
Yoshida, T., Zhou, X. J., Nakamura, M., Kellar, S. A., Bogdanov, P. V., Lu, E. D., ...
We have performed an angle-resolved photoemission study of overdoped La1.78Sr0.22CuO4, and have observed sharp nodal quasiparticle peaks in the second Brillouin zone that are comparable to data from...
Dual Nature of the Electronic Structure of the Stripe Phase (2000)
Zhou, X. J., Yoshida, T., Kellar, S. A., Bogdanov, P. V., Lu, E. D., Lanzara, A., ...
High resolution angle-resolved photoemission measurements have been carried out on (La_1.4-xNd_0.6Sr_x)CuO_4, a model system with static stripes, and (La_1.85Sr_0.15)CuO_4, a high temperature...
ARPES study of Pb doped Bi_2Sr_2CaCu_2O_8 - a new Fermi surface picture (2000)
Bogdanov, P. V., Lanzara, A., Zhou, X. J., Kellar, S. A., Feng, D. L., Lu, E. D., ...
High resolution angle resolved photoemission data from Pb doped Bi_2Sr_2CaCu_2O_8 (Bi2212) with suppressed superstructure is presented. Improved resolution and very high momentum space sampling at...
Evidence for an energy scale for quasiparticle dispersion in Bi_2Sr_2CaCu_2O_8 (2000)
Bogdanov, P. V., Lanzara, A., Kellar, S. A., Zhou, X. J., Lu, E. D., Zheng, W., ...
Quasiparticle dispersion in $Bi_{2}Sr_{2}CaCu_{2}O_{8}$ is investigated with improved angular resolution as a function of temperature and doping. Unlike the linear dispersion predicted by the band...
First measurements using the ALS soft X-ray Fourier transform spectrometer (1997)
Moler, E J, Duarte, R M, Howells, M R, Hussain, Z, Oh, C, Spring, J
Sub-micron white-beam focusing using elliptically bent mirrors (1997)
Padmore, H A, Ackerman, G D, Celestre, R S, Chang, C H, Franck, K, Howells, M, ...
Orbit stability of the ALS storage ring (1997)
Keller, R, Nishimura, H, Biocca, A K, Chin, M, Feinberg, B, Fletcher, K, ...
Oral facial digital syndrome. (1997)
Hussain, Z, Logamuthukrishnan, K, Dharmarajan, S, Thiagarajan, G, Subbaiah, S, Narayana, G, ...