Published May 15, 1992
| Version v1
Journal article
Detection of thermally generated defects on a Cu(111) surface
- 1. Ontario Laser and Lightwave Research Centre, University of Toronto, 60 St. George Street, Toronto, Ontario, M5S 1A7 (Canada)
- 2. Department of Physics, University of Toronto, 60 St. George Street, Toronto, Ontario, M5S 1A7 (Canada)
Description
A nonlinear-optical technique has been used to detect thermally generated atomic defects on the Cu(111) surface in ultrahigh vacuum. From the temperature dependence of the second-harmonic (SH) -generation efficiency and anisotropy for 350<T<850 K, we infer the creation of an increasing number of surface point defects with increasing temperature, and deduce a formation energy of 0.13±0.04 eV. This interpretation is corroborated by the similarity of the SH rotational anisotropy following surface Ar+-ion bombardment at low temperatures
Additional details
Publishing Information
- Journal Title
- Physical Review. B, Condensed Matter
- Journal Volume
- 45
- Journal Issue
- 20
- Journal Page Range
- p. 12011-12014.
- ISSN
- 0163-1829
- CODEN
- PRBMDO
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 24004565
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- COPPER; FORMATION FREE ENERGY; ION BEAMS; PHYSICAL RADIATION EFFECTS; POINT DEFECTS; SURFACE PROPERTIES; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0273-0400 K; TEMPERATURE RANGE 0400-1000 K
- Descriptors DEC
- BEAMS; CRYSTAL DEFECTS; CRYSTAL STRUCTURE; ELEMENTS; ENERGY; FREE ENERGY; METALS; PHYSICAL PROPERTIES; RADIATION EFFECTS; TEMPERATURE RANGE; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENTS