POINT DEFECTS, AND THE NATURE OF RADIATION DAMAGE IN F.C.C. METALS

Journal Article · Fri Mar 01 04:00:00 EST 1963 · J. Phys. Soc. Japan

OSTI ID:4659203

Seeger, A

The recovery of electron bombarded gold and copper, and the relation to the migration energies of point defects are discussed. It is shown that the basic recovery spectrum of gold is veiy simple, consisting of a series of close interstitial-vacancy pair (Stage I), a background due to the migration of interstitials to nearby vacancies (Stage II), and the free migration of interstitials (Stage III, migration energy 0.71 ev). This interpretation agrees fully with quenching and cold-work data. In copper there is also close-pair substages and a free migration stage (I/sub E/) due to recombination of metastable crowdions with vacancies. The concentration dependence of I/sub E/ is fully accounted for by this picture. An analysis of the experimental data indicates that in copper the threshold energy for crowdion formation is about 25 ev, whereas the absolute threshold (in (100)) is about 15 ev. (auth)

• Research Organization: Technische Hochschule, Stuttgart
• NSA Number: NSA-17-037613
• OSTI ID: 4659203
• Journal Information: J. Phys. Soc. Japan, Journal Name: J. Phys. Soc. Japan Vol. Vol: 18: Suppl. III
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

BACKGROUND
COLD WORKING
COPPER
DEFECTS
ELECTRON BEAMS
ENERGY
GOLD
HEAT TREATMENTS
INTERSTITIALS
LATTICES
METALS, CERAMICS, AND OTHER MATERIALS
MOTION
QUENCHING
RADIATION EFFECTS
RECOVERY
SPECTRA
STANDARDS
THRESHOLD ENERGY
VACANCIES