scispace - formally typeset
Search or ask a question

Showing papers by "G. Le Lay published in 1992"

Journal Article•DOI•
Surface core-level shifts on Ge(100): c (4×2) to 2×1 and 1×1 phase transitions

[...]

G. Le Lay, Janusz Kanski1, P. O. Nilsson1, Ulf O. Karlsson2, K. Hricovini •
Chalmers University of Technology1, Lund University2
15 Mar 1992-Physical Review B
TL;DR: By comparing, under identical experimental conditions, high-resolution synchrotron-radiation core-level photoemission spectra taken from both Ge(111) and Ge(100) samples, it is established that the deco ...
Abstract: By comparing, under identical experimental conditions, high-resolution synchrotron-radiation core-level photoemission spectra taken from both Ge(111) and Ge(100) samples, we establish that the deco ...

37 citations

Journal Article•DOI•
Ag on Ge(111): 2D X-ray structure analysis of the 3 × 3 superstructure

[...]

D. Dornisch1, Wolfgang Moritz1, H. Schulz1, Robert Feidenhans'l, Mourits Nielsen, F. Grey, Robert L. Johnson2, G. Le Lay3 •
Ludwig Maximilian University of Munich1, University of Hamburg2, Centre national de la recherche scientifique3
01 Aug 1992-Surface Science
TL;DR: In this paper, the Ag/Ge (111) 3 × 3 superstructure was studied by grazing-incidence X-ray diffraction and the Ag atoms formed trimer clusters with an Ag-Ag distance of 2.94 ± 0.04 A with the centers of the trimers being located at the origins of the lattice.

14 citations

Journal Article•DOI•
Kelvin probe and synchrotron radiation study of surface photovoltage and band bending at metal gaas (100) interfaces

[...]

D. Mao1, Antoine Kahn1, G. Le Lay2, Marino Marsi3, Yeukuang Hwu3, Giorgio Margaritondo4 •
Princeton University1, Centre national de la recherche scientifique2, University of Wisconsin-Madison3, École Polytechnique4
01 Jan 1992-Applied Surface Science
TL;DR: In this article, contact potential difference (CPD) measurements using a Kelvin probe coupled with synchrotron radiation at GaAs surfaces were used to investigate the surface photovoltage (SPV) induced by synchron radiation.

13 citations

Journal Article•DOI•
Initial stages of Schottky-barrier formation of Bi/Si(111) and Bi/Si(100) interfaces

[...]

K. Hricovini, G. Le Lay1, Antoine Kahn2, Amina Taleb-Ibrahimi, J. E. Bonnet •
Centre national de la recherche scientifique1, Princeton University2
01 Jan 1992-Applied Surface Science
TL;DR: In this article, the authors studied the Schottky barrier heights during the initial formation of Bi/Si(100) and Bi(111) interfaces in the submonolayer regime using synchrotron radiation core level spectroscopy.

8 citations

Journal Article•DOI•
Core-level spectroscopy study of the initial formation of tin-germanium interfaces

[...]

G. Le Lay1, Janusz Kanski2, P. O. Nilsson2, Ulf O. Karlsson3•
Centre national de la recherche scientifique1, Chalmers University of Technology2, Lund University3
01 Jan 1992-Applied Surface Science
TL;DR: In this article, the initial stages of the Schottky barrier formation at Sn/Ge interfaces were studied with high resolution core-level spectroscopy measurements (Ge 3d and Sn 4d shallow core levels) using synchrotron radiation.

3 citations