Title :
Ultrafast electron dynamics in silver nanoparticle arrays
Author :
Averitt, R.D. ; Demsar, J. ; Woode, E.K. ; Taylor, A.J. ; Beverly, K.C. ; Heath, J.R.
Author_Institution :
Los Alamos Nat. Lab., NM, USA
Abstract :
We present the results of ultrafast optical experiments on silver quantum dot super-lattices. Dramatic changes in the electron dynamics occur as a function of interparticle spacing due to enhanced dipolar coupling and, most importantly, electron delocalization.
Keywords :
electron correlations; high-speed optical techniques; metal-insulator transition; nanoparticles; quantum dots; silver; Ag; dipolar coupling; electron correlation; electron delocalization; interparticle spacing; metal-insulator transition; silver nanoparticle arrays; silver quantum dot super-lattices; ultrafast electron dynamics; Biomedical optical imaging; Electron optics; Metal-insulator structures; Metallic superlattices; Nanoparticles; Optical films; Optical superlattices; Reflectivity; Silver; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-749-0
DOI :
10.1109/QELS.2003.237860
