Evidence for Crystal-Face Specificity in Surface Segregation of CuNi Alloys
- 8 June 1981
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 46 (23), 1529-1532
- https://doi.org/10.1103/physrevlett.46.1529
Abstract
We present experimental evidence for crystal-face specificity in surface segregation at CuNi alloy surfaces using angular x-ray photoemission spectroscopy, secondary-ion mass spectroscopy, and "chemisorptive titration" techniques. More copper enrichment is found on the (100) surface than the (111) surface of a 17% Cu-83% Ni alloy, in agreement with predictions from current segregation theories.Keywords
This publication has 17 references indexed in Scilit:
- Bond and strain energy effects in surface segregation: An atomic calculationSurface Science, 1979
- Prediction of Surface Segregation in Binary Alloys Using Bulk Alloy VariablesPhysical Review Letters, 1979
- Absolute Composition Depth Profile of a NiCu Alloy in a Surface Segregation StudyPhysical Review Letters, 1979
- The surface composition of the nickel-copper alloy system as determined by Auger electron spectroscopySurface Science, 1977
- A quantitative analysis of surface segregation and in-depth profile of copper-nickel alloysSurface Science, 1976
- Prediction of Segregation to Alloy Surfaces from Bulk Phase DiagramsPhysical Review Letters, 1976
- Selected topics in low-energy ion scattering: Surface segregation in Cu/Ni alloys and ion neutralizationSurface Science, 1975
- Further evidence for equilibrium surface segregation in the CuNi alloys - CO s H2 chemisorptionSurface Science, 1975
- Determination of the surface composition of the Cu−Ni alloys for clean and adsorbate−covered surfacesJournal of Vacuum Science and Technology, 1975
- Catalytic hydrogenolysis and dehydrogenation over copper-nickel alloysJournal of Catalysis, 1972