Role of atomic size and valence in bonding and diffusion at metal surfaces
Conference
·
OSTI ID:7166307
First-principles calculations and corresponding experimental results underline the importance of basic chemical concepts in understanding bonding and diffusion of atoms at and on metal surfaces. Examples discussed include the outward relaxation of clean KBe(0001), the separation energies of metal-adatom dimers, concerted substitutional self-diffusion on fcc(001) and (110) surfaces, and adsorption and diffusion barrier sites for adatoms near steps.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 7166307
- Report Number(s):
- SAND-92-2408C; CONF-921101--8; ON: DE93003994
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360102 -- Metals & Alloys-- Structure & Phase Studies
360104* -- Metals & Alloys-- Physical Properties
ADSORPTION
ALKALINE EARTH METALS
ATOMS
BERYLLIUM
BONDING
DIFFUSION
DIMERS
ELEMENTS
FABRICATION
JOINING
METALS
RELAXATION
SELF-DIFFUSION
SORPTION
SORPTIVE PROPERTIES
SURFACE PROPERTIES
SURFACES
VALENCE
360102 -- Metals & Alloys-- Structure & Phase Studies
360104* -- Metals & Alloys-- Physical Properties
ADSORPTION
ALKALINE EARTH METALS
ATOMS
BERYLLIUM
BONDING
DIFFUSION
DIMERS
ELEMENTS
FABRICATION
JOINING
METALS
RELAXATION
SELF-DIFFUSION
SORPTION
SORPTIVE PROPERTIES
SURFACE PROPERTIES
SURFACES
VALENCE