Explanipedia

RESONANCE AND THRESHOLD EFFECTS IN PHOTOEMISSION UP TO 3500 eV Open

D. A. Shirley · 2008

Beam lines at the Stanford Synchrotron Radiation Laboratory (SSRL) now provide photon beams throughout the entire energy range 5 to 5000 eV, with a pulse structure very well-suited to time-of-flight (TOF) photoelectron spectroscopy. We hav…

Surface structure determination of Au(1 ML)/Fe(15 ML)/Au(100) using angle-resolved photoemission extended fine structure Open

S. A. Kellar, Yujie Chen, W.R.A. Huff, Edward J. Moler, Z. Hussain , et al. · 1998

We have determined the atomic surface structure of a thin film of Fe (15 ML) grown on the Au(100) surface, Au(1 ML)/Fe(15 ML)/Au(100), with angle-resolved photoemission extended fine structure (ARPEFS) using the Au ${4f}_{7/2}$ core level.…

The surface structure of (1x1)O/W(110)x12 determined by angle-resolved photoemission extended fine structure Open

S. A. Kellar, W.R.A. Huff, Edward J. Moler, R. X. Ynzunza, Ziming Xin , et al. · 1997

Oxygen adsorption on tungsten is one of the earliest and most studied model adsorption systems. Researchers have identified multiple coverage-dependent phases on the W(110) face. The three ordered phases are the (2x1) with a coverage of {t…

The structural determination of Au(1ML)/Fe(15ML)/Au(100) using angle-resolved photoemission extended fine structure Open

S. A. Kellar, W.R.A. Huff, Edward J. Moler, Yujie Chen, Z. Hussain , et al. · 1997

A great amount of attention has been given to investigating thin magnetic films and magnetic multilayers, especially systems involving iron and the noble metals. In most of these studies the authors assume that the Fe layers will maintain …

Adsorption site and structure determination of c(2 × 2) (100) using angle-resolved photoemission extended fine structure Open

Edward J. Moler, S. A. Kellar, W.R.A. Huff, Z. Hussain, Yu Zheng , et al. · 1997

Holographic atom imaging from experimental photoelectron angular distribution patterns Open

L. J. Terminello, D. A. Lapiano-Smith, John Barton, Barry L. Petersen, D. A. Shirley · 1993

One of the most challenging areas of materials research is the imaging of technologically relevant materials with microscopic and atomic-scale resolution. As part of the development of these methods, near-surface atoms in single crystals w…

Workshop on Soft X-Ray Interferometry Open

M. Howells, Zainab Hasan Hussein, Edward J. Moler, Delwyn Moller, F. L. Roesler , et al. · 1993

Author(s): Howells, M.; Hussein, Z.; Moler, E.J.; Moller, D.; Roesler, F.; Shirley, D.A.; Thorne, A.

A Detailed Study of c(2x2)Cl/Cu(001) Adsorbate Geometry and Substrate Surface Relaxation Using Temperature Dependent Angle-Resolved Photoemission Extended Fine Structure Open

Luqing Wang, A. E. Schach von Wittenau, Zhe Ji, L.S. Wang, Zheng‐Qing Huang , et al. · 1990

Author(s): Wang, L.-Q.; Wittenau, A.E. Schach von; Ji, Z.G.; Wang, L.S.; Huang, Z.Q.; Shirley, D.A.

The LBL 55-meter spherical grating monochromator at SSRL (Stanford Synchrotron Radiation Laboratory) Open

Wayne R. McKinney, Malcolm R. Howells, T. Lauritzen, J. Chin, R. DiGennaro , et al. · 1989

The Lawrence Berkeley Laboratory 55-m spherical grating monochromator (SGM) beamline is located as a branch line of the 54-pole wiggler/undulator at the Stanford Synchrotron Radiation Laboratory (SSRL). It was designed and constructed by L…

Threshold photoelectron spectrum of the Argon 3s satellites Open

L.J. Medhurst, A.S. Von Wittenau, R.D. van Zee, J. S. Zhang, S.H. Liu , et al. · 1989

Lately a variety of techniques have studied the electron correlation satellites with binding energies between the Argon 3s binding energy (29.24 eV) and the 2p/sup /minus/2/ ionization potential (43.38 eV). One of these techniques, Thresho…

REPLY TO THE COMMENT ON ""GEOMETRY OF (2X2)S/CU(001) DETERMINED WITH USE OF ANGLE-RESOLVED PHOTOEMISSION EXTENDED FINE STRUCTURE"" Open

D. A. Shirley, L. J. Terminello, C. C. Bahr · 1988

Orbital-collapse effects in photoemission from atomic Eu Open

U. Becker, H. G. Kerkhoff, D. W. Lindle, P. H. Kobrin, T. A. Ferrett , et al. · 1986

Resonant photoelectron spectra of atomic Eu have been measured in the photon-energy ranges of the ``4d\ensuremath{\rightarrow}4f '' (110--170 eV) and 3d\ensuremath{\rightarrow}4f (1120--1165 eV) excitations. For the ``4d\ensuremath{\righta…

Increasing quantum yield of sodium salicylate above 80 eV photon energy: Implications for photoemission cross sections Open

D. W. Lindle, T. A. Ferrett, P. Heimann, D. A. Shirley · 1986

The quantum yield of the visible scintillator sodium salicylate is found to increase in the incident photon-energy range 80--270 eV. Because of its use as a photon-flux monitor in recent gas-phase photoelectron spectroscopy measurements, p…

Experimental and theoretical investigations of Cr(001) surface electronic structure Open

L. E. Klebanoff, R. H. Victora, L. M. Falicov, D. A. Shirley · 1985

The surface electronic structure of Cr(001) is characterized by angle-resolved photoelectron spectroscopy. The spectral properties of surface-related photoemission features are found to be consistent with results from a comprehensive spin-…

Valence photoelectron satellites of neon Open

Philip A. Heimann, C. M. Truesdale, H. G. Kerkhoff, D. W. Lindle, T. A. Ferrett , et al. · 1985

Synchrotron radiation was directed at neon gas, creating ${\mathrm{Ne}}^{+}$ ions in ``satellite'' states characterized by the configurations 1${s}^{2}$2${s}^{2}$2${p}^{4}$nl, in addition to the main-line final states: 2${s}^{\mathrm{\ensu…

Angle-resolved photoemission extended fine structure Open

J. J. Barton, C. C. Bahr, Z. Hussain, S. W. Robey, L. E. Klebanoff , et al. · 1985

Measurements of the Angle-Resolved Photoemission Extended Fine Structure (ARPEFS) from the S(1s) core level of a c(2 x 2)S/Ni(001) are analyzed to determine the spacing between the S overlayer and the first and second Ni layers. ARPEFS is …

Gas-Phase Photoemission With Soft X-Rays: Cross Sections And Angular Distributions Open

D. A. Shirley, P. H. Kobrin, C. M. Truesdale, D. W. Lindle, T A. F errett , et al. · 1984

A summary is presented of typical gas-phase photoemission studies based on synchrotron radiation in the 50-5000 eV range, using beam lines at the Stanford Synchrotron Radiation Laboratory. Three topics are addressed: atomic inner-shell pho…

Auger decay mechanism in photon-stimulated desorption from sodium fluoride Open

C. Parks, Z. Hussain, D. A. Shirley, M. L. Knotek, G.M. Loubriel , et al. · 1983

Photon-stimulated desorption experiments were performed on the (001) face of LiF for photon energies near the F(2s) and Li(ls) edges (from 37 to 72 eV). There are structures in the F{sup +} yield above the F(2s) edge which are absent in th…

Direct determination of surface structures from photoelectron diffraction Open

John Barton, C. C. Bahr, Z. Hussain, S. W. Robey, L. E. Klebanoff , et al. · 1983

Angle‐resolved photoemission extended fine structure (ARPEFS) is induced by interference between primary and elastically scattered photoelectron waves originating from an adsorbate core level on an ordered surface. Analysis by procedures a…

A new wiggler beam line for SSRL Open

C. C. Bahr, Thomas Chan, John Chin, T. Elioff, K. Halbach , et al. · 1983

Photoelectron and Auger electron asymmetries: Alignment ofby photoionization Open

S. H. Southworth, P. H. Kobrin, C. M. Truesdale, D. W. Lindle, S. Owaki , et al. · 1981

We measured angular distributions of photoelectrons from the Xe 4d subshell, and N_4,5OO Auger electrons using synchrotron radiation. The 4d asymmetry parameter exhibits strong oscillations with energy, in agreement with several …

Substrate-DependentShape Resonance in CO Overlayers on Ni(111) and Ni(001) Open

R. F. Davis, S. D. Kevan, David H. Rosenblatt, M. G. Mason, James Tobin , et al. · 1980

A large resonance was observed in the C(1s) angle-resolved photoemission cross-section of CO overlayers on Ni(111) and Ni(001), using synchrotron radiation at SSRL, while none was observed for O(1s). Energy-, angular-, and polarization-dep…

Photoemission from solids: The transition from solid-state to atomic physics Open

D. A. Shirley · 1980

As the photon energy is increased, photoemission from solids undergoes a slow transition from solid-state to atomic behavior. However, throughout the energy range h..nu.. = 10 to 1000 eV or higher both types of phenomena are present. Thus …

Angle-resolved photoemission measurements of band discontinuities in the GaAs-Ge heterojunction Open

P. Perfetti, D. Denley, K. A. Mills, D. A. Shirley · 1978

The conduction- and valence-band discontinuities for the (110) GaAs-Ge heterojunction have been measured as ΔEc=0.50 eV and ΔEv=0.25 eV by the angle-resolved ultraviolet photoemission (ARUPS) technique. These values are in good agreement w…

Identification of a Surface State on the (111) Terraces of Stepped Cu(211). Open

R. Stanley Williams, P. S. Wehner, S. D. Kevan, R. F. Davis, D. A. Shirley · 1978

The surface electronic structure of a stepped Cu(211) crystal was elucidated by angle-resolved photoemission spectroscopy. A surface state was found on the three-atom terraces, indicating that the terrace surface potential resembles that o…

D-ORBITAL DIRECTED PHOTOEMISSION FROM MANGANESE FLUORIDE SINGLE CRYSTALS USING A1Kalpha RADIATION Open

P.M.A. Sherwood, F. R. McFeely, S. P. Kowalczyk, D. A. Shirley · 1977

Angle-resolved photoemission energy distributions (PED's) were obtained from valence bands of MnF{sub 2} single crystals using AlK{alpha} radiation. A pronounced variation in the PED's was observed as the electron take-off angle was varied…

Electron-correlation satellites in electron spectroscopy Open

D. A. Shirley, R. L. Martin, B.E. Mills, Şefik Süzer, S. T. Lee , et al. · 1976

NUCLEAR ORIENTATION OP 2.3-d GOLD-198m Open

H.-E. Mahnke, G. Kaindl, F. Bacon, D. A. Shirley · 1975

Electronic density of states and bonding in chalcopyrite-type semiconductors Open

Carmen Varea de Alvarez, Marvin L. Cohen, L. Ley, S. P. Kowalczyk, F. R. McFeely , et al. · 1974

Measured x-ray-photoemission spectra for ZnGe${\mathrm{P}}_{2}$ and CdSn${\mathrm{As}}_{2}$ are presented along with density-of-states $N(E)$ and charge-density calculations for ZnGe${\mathrm{P}}_{2}$. Analysis of the density-of-states spe…

Summary of the international conference on hyperfine interactions studied by nuclear reactions and decay Open

D. A. Shirley · 1974

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