Title :
Transient excitons at metal surfaces
Author_Institution :
Dept. of Phys. & Astron., Univ. of Pittsburgh, Pittsburgh, PA, USA
Abstract :
We employ multiphoton photoemission to study resonant and nonresonant transitions between the occupied and unoccupied surface states at noble metal surfaces. At resonance, nondispersive bands give evidence for the existence of transient excitons at metal surfaces.
Keywords :
excitons; high-speed optical techniques; multiphoton processes; photoemission; surface plasmon resonance; transition metals; multiphoton photoemission; noble metal surfaces; nondispersive bands; nonresonant transitions; transient excitons; unoccupied surface states; Correlation; Excitons; Metals; Optical interferometry; Photoelectricity; Surface treatment; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
