Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Vacancy Clusters at Nanoparticle Surfaces

Conference ·
OSTI ID:772460
The authors detect vacancy clusters at Au nanoparticle surfaces using a combination of positron lifetime spectroscopy, 1- detector, and 2-detector measurements of Doppler broadening of annihilation radiation. Gold nanoparticles are formed by MeV implantation of gold ions into MgO (100) followed by annealing. Clusters of two Mg and two O vacancies (v{sub 4}) are attached to the gold nanoparticle surfaces within the projected range (R{sub p}).
Research Organization:
Oak Ridge National Lab., TN (US)
Sponsoring Organization:
USDOE Office of Science (US)
DOE Contract Number:
AC05-00OR22725
OSTI ID:
772460
Report Number(s):
P00-108484
Country of Publication:
United States
Language:
English

Similar Records

Positronic probe of vacancy defects on surfaces of Au nanoparticles embedded in MgO
Journal Article · Sat Sep 15 00:00:00 EDT 2001 · Physical Review B · OSTI ID:40277576

Vacancy Clusters on Surfaces of Au Nanoparticles Embedded in MgO
Journal Article · Sun Nov 28 23:00:00 EST 1999 · Physical Review Letters · OSTI ID:20217982

Temperature-dependent growth and transient state of hydrogen-induced nanocavities in silicon
Journal Article · Fri Aug 01 00:00:00 EDT 2008 · Journal of Applied Physics · OSTI ID:21137431