[PDF] Top 20 STM study of the atomic structure of the icosahedral Al Cu Fe fivefold surface
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STM study of the atomic structure of the icosahedral Al Cu Fe fivefold surface
... the surface. Finally, we point out that the atomic-resolution STM im- ages of i-Al-Cu-Fe presented in this paper are quite different than those for the i-Al-Pd-Mn 5 f ... See full document
6
Real-space observation of quasicrystalline Sn monolayer formed on the fivefold surface of icosahedral Al Cu Fe quasicrystal
... samples, surface studies of this type of solid with various experimental techniques have become possible and significant progress has been made in the surface preparation and characterization 共see, for ... See full document
6
Aperiodic and modulated Pb thin films on fivefold icosahedral Al-Cu-Fe and Al(111): Tailoring the structure of Pb
... both icosahedral substrates is the observation that the sticking coefficient of Pb decreases to zero upon completion of the first monolayer, at least for deposition fluxes in the range of 10 −3 – 10 −2 ML s −1 ... See full document
11
Influence of leaching on surface composition, microstructure, and valence band of single grain icosahedral Al-Cu-Fe quasicrystal
... the surface microstructure, chemical composition and valence band of the icosahedral (i-) Al-Cu-Fe quasicrystal in an attempt to prepare a model ...symmetry fivefold ... See full document
9
Morphology of Sn Films Grown on the Fivefold Surface of Icosahedral Al63Cu24Fe13 Investigated by Scanning Tunneling Microscopy
... complex atomic structure and lack of periodicity, quasicrystals yield highly ordered surfaces under suitable ...the surface projected symmetry of the underlying bulk which can include the unusual ... See full document
8
Structure Determination of Au on Pt(111) Surface: LEED, STM and DFT Study
... the atomic planes of the relaxed Pt(111) system, and their percentage changes ( ) with respect to the bulk value (d 0 ), calculated for the slab with 7 and 10 atomic layers and compared with experimental ... See full document
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Crystalline surface structures induced by ion sputtering of Al-rich icosahedral quasicrystals
... LEED study on the Al-Pd-Mn fivefold surface shows that the average domain size is about 900 Å ~again, close to the resolution limit of the LEED instrument ...by atomic force microscopy ... See full document
13
Fivefold surface of quasicrystalline AlPdMn: Structure determination using low energy electron diffraction
... the atomic scattering factor in plane a ~ averaged according to the ATA method ! , and S a (g 2 g 8 ) 5 1/A ( i a exp @2 i(g 2 g 8 )r i a # is the lattice factor of the plane ...the STM and LEED results of ... See full document
16
Copper adsorption on the fivefold Al70Pd21Mn9 quasicrystal surface
... the icosahedral Al-Pd-Mn phase has been the most studied and a model explaining its bulk structure has been proposed by Boudard et ...The surface structure of this material has been ... See full document
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Bulk termination of the quasicrystalline fivefold surface of Al70Pd21Mn9
... The structure of the Al 70 Pd 21 Mn 9 surface has been investigated using high-resolution scanning tunneling ...large fivefold terraces on the surface in a short decorated Fibonacci ... See full document
15
Structure of the Fivefold Surface of the Icosahedral Al-Cu-Fe Quasicrystal: Experimental Evidence of Bulk Truncations at Larger Interlayer Spacings
... Based on scanning tunneling microscopy of the fivefold surface of the icosahedral Al-Cu-Fe quasicrystal and the refined structure model of the isostructural i -Al-Pd-Mn, we present evide[r] ... See full document
6
Icosahedral Quasicrystal Layer Observed on λ Phase in Al Cu Fe Alloy
... in atomic lev- el, the arrangement of atoms repeats in a distance comparable to its lattice con- stant, which is in the order of one ...film. Icosahedral quasicrystalline alloys are reported to be hard and ... See full document
12
Electrochemical Pitting And Repassivation On Icosahedral AL-CU-FE, And A Comparison With Crystalline Phases
... On Icosahedral AL-CU-FE, And A Comparison With Crystalline Phases Abstract We report the electrochemical potentials at which localized pitting and repassivation occur on icosahedral ... See full document
8
Preparation of large single grains of the quasicrystalline icosahedral Al–Cu–Fe ψ phase
... the Al– Cu – Fe alloy system is no exception, form- ing during solidification through a peritectic involving liquid and two crystalline ...face-centered icosahedral (FCI) c phase does not form ... See full document
5
Surface Oxidation of Al-Pd-Mn and Al-Cu-Fe Alloys
... of Al-Pd-Mn and Al-Cu-Fe Alloys Abstract The application of ultrahigh vacuum surface analytical techniques to the study of the oxidation of Al-Pd-Mn and ... See full document
10
Vacancy diffusion in the Cu(001) surface I: An STM study
... ature. Assuming an attempt frequency of 10 12 Hz, combined with the calculated diffusion barrier of 0.35 eV [15], we expect a vacancy jump rate of 10 6 Hz at room temperature. This means that we cannot ‘‘see’’ the ... See full document
16
Room Temperature Oxidation of Al-Cu-Fe and Al- Cu-Fe-Cr Quasicrystals
... of Al-Cu-Fe and Al-Cu-Fe-Cr Quasicrystals Abstract We have investigated formation of oxides on quasicrystalline and crystalline alloy surfaces of similar composition, in ... See full document
8
Partial pair distribution functions in icosahedral Al-Li-Cu quasicrystals
... contrast variation methods to simplify data deciphering, would mean first working with much better Q resolution as compared to the one available on D4B, then measuring the integrated intensities of the pseudo-Bragg ... See full document
22
Processing Of Al-Cu-Fe Single Grains
... of Al 63 Cu 25 Fe 12 ingots before and after heat ...the Al 63 Cu 25 Fe 12 alloy ...the surface has taken on a fine crystalline but porous ...composition, Al 65 ... See full document
12
Ordering of Si atoms on the fivefold Al-Pd-Mn quasicrystal surface
... 40 Å also. On the basis of the above measurements and this simulation, this site emerges as the only possible site on Al-Pd-Mn for Si atoms at 0.25 ML coverage. The number of truncated pseudo-Mackay clusters ... See full document
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