Results 321 to 330 of about 468,062 (374)

Reflection high-energy electron diffraction beam-induced structural and property changes on WO3 thin films

, 2014
Reduction of transition metal oxides can greatly change their physical and chemical properties. Using deposition of WO3 as a case study, we demonstrate that reflection high-energy electron diffraction (RHEED), a surface-sensitive tool widely used to ...
Yingge Du, K. H. Zhang, T. Varga, S. Chambers   +3 more
semanticscholar   +1 more source

Microprobe Reflection High-Energy Electron Diffraction

1988
Microprobe reflection high-energy electron diffraction (μ-RHEED) is a reflection high-energy electron diffraction (RHEED) that uses focused electron beams with about 10 nm diameter. The focused electron beams with higher than 10 keV kinetic energy are irradiated on sample surfaces at grazing angles less than 5° to get RHEED patterns from the sample ...
T. Doi, M. Ichikawa
openaire   +2 more sources

The effect of surface roughness on reflection high-energy electron diffraction rocking curves and impact on reflection high-energy electron diffraction intensity oscillations

Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, 1990
Reflection high-energy electron diffraction (RHEED) rocking curves have been studied for the Si(111)-((3)1/2×(3)1/2) R30°–Ag structure as a function of varying degrees of surface roughness as generated by Ar+ ion bombardment. Under increased surface roughness, most peaks in the rocking curves showed a characteristic change represented by splitting ...
A. Ignatiev, W. C. Fan
openaire   +2 more sources

Interpretation of reflection high-energy electron diffraction oscillation phase

Journal of Crystal Growth, 1999
Abstract The use of reflection high energy electron diffraction (RHEED) became very popular after the discovery of reflected electron beam intensity oscillations in the early 1980s. Although a number of theoretical explanations of the effect have already been given, many aspects of the question as to why RHEED oscillations appear still remains open ...
Sergei L. Dudarev, Z. Mitura, Michael John Whelan   +2 more
openaire   +2 more sources

Reflection high-energy electron diffraction oscillations during epitaxial growth of high-temperature superconducting oxides.

Physical Review Letters, 1990
Strong intensity oscillations have been found in reflection high-energy electron diffraction during epitaxial growth of BaTiO{sub 3}, La{sub 2}CuO{sub 4}, and YBa{sub 2}Cu{sub 3}O{sub 7{minus}{ital x}} with perovskite-type structures.
T. Terashima, Y. Bandō, K. Iijima, K. Yamamoto, K. Hirata, K. Hayashi, K. Kamigaki, H. Terauchi   +7 more
semanticscholar   +1 more source

Reflection high energy electron diffraction characteristic absences in GaAs(100) (2×4)–As: A tool for determining the surface stoichiometry

, 1990
In general, techniques that monitor the in situ growth of semiconductor materials with electron diffraction [such as reflection high energy electron diffraction (RHEED)] provide no quantitative information about surface stoichiometry.
H. Farrell, C. J. Palmstro
semanticscholar   +1 more source

Step-density variations and reflection high-energy electron-diffraction intensity oscillations during epitaxial growth on vicinal GaAs(001).

Physical Review B (Condensed Matter), 1992
Systematic measurements and simulations are reported for the transition from growth by nucleation and accretion of two-dimensional islands to step advancement on misoriented GaAs(001) surfaces during epitaxial growth.
Shitara, Vvedensky, Wilby, Zhang, Neave, Joyce   +5 more
semanticscholar   +1 more source

Coherent surface bremsstrahlung in low-energy-electron diffraction and reflection-high-energy-electron diffraction

Physical Review B, 1974
The classical theory of transition radiation generated when charged particles travel through a dielectric-vacuum interface is reconsidered in order to include the effects of the diffraction of the particle beam occurring at the surface. If the surface is atomically smooth, coherent Bragg reflection and transmission occur as well as specular reflection ...
A. A. Lucas, Davor Juretić, M. S. Tomas, Marijan Šunjić   +3 more
openaire   +3 more sources

Plasmon emission by electrons in reflection high energy electron diffraction

Surface Science, 2004
The theory of plasmon emission by fast electrons moving into or reflected from a dielectric is extended to the case where both the electron and the plasmons are treated quantum mechanically. This is necessary to allow consideration of experiments where the electron is diffracted, as is particularly the case for reflection high energy electron ...
openaire   +2 more sources

In-situ monitoring during pulsed laser deposition of complex oxides using reflection high energy electron diffraction under high oxygen pressure

, 1997
A suitable in situ monitoring technique for growth of thin films is reflection high energy electron diffraction (RHEED). Deposition techniques, like pulsed laser deposition (PLD) and sputter deposition, used for fabrication of complex oxide thin films ...
G. Rijnders, G. Koster, D. Blank, H. Rogalla   +3 more
semanticscholar   +1 more source