Titlebook: Surface Studies with Lasers; Proceedings of the I Franz R. Aussenegg,Alfred Leitner,Max E. Lippitsch Conference proceedings 1983 Springer-V

外形

记忆

Normal (Unenhanced) Raman Scattering from Pyridine Adsorbed on the Low-Index Faces of Silver of a lively debate. Several review articles and a book summarize the current state of thinking on the subject [1–3]. The debate focuses upon the relative importance of two classes of enhancement mechanisms, which are termed electromagnetic (classical) and molecular (sometimes referred to as chemica

Charlatan

Evidence of “SERS Active Sites” of Atomic Scaleis now better accepted than some years ago that a considerable short-range chemical enhancement mechanism exists beside the classical electromagnetic enhancement |5, 6|. A particular short-range model is the so-called “adatom model”, postulating Raman enhancement for adsorbates at sites of atomic sc

fleeting

Sedative

Contributions of Charge Transfer Complexes and Photochemical Effects to SERS at a Silver Electrodeancement as the surface is illuminated by the laser beam during the oxidization-reduction cycle. This enhancement effect is only obtained when alkali halides are used as electrolytes; it suggest a photodecomposition of the silver halides into metallic clusters. The absorbed molecules may play a role

Coordinate

SER Scattering by Metal Colloids of division of metals. They lie in size between molecules containing clusters of twenty or more metal atoms [1], which exhibit optical absorption due to one-electron excitation between quantized levels, and bulk metal samples which show collective conduction-electron phenomena. The optical response

芦笋

SIT

Surface Enhanced Optical Processesrsality of the enhancement process. Although the controversy concerning the total sources of the enhancement is still not settled, most agree that solely electromagnetic effects must play a contributing role. Our recent research, therefore, has made an effort to determine the magnitude of the electr

crutch

用树皮

Distance Dependence of Surface Enhanced Luminescenceye Basic Fuchsin is separated from the surface of silver particles by a thin layer of SiO.. When the spacer layer thickness is increased from d=0, the luminescence intensity increases and reaches a maximum enhancement of 200 at d ≈ 25 Å, relative to dye on an inert substrate. With further increase i