Electromagnetic effects in the Surface Enhanced Raman Scattering from a molecule at a liquid Hg surface
dc.contributor.author | Ford, G. W. | en_US |
dc.contributor.author | Weber, W. H. | en_US |
dc.date.accessioned | 2006-04-07T18:02:11Z | |
dc.date.available | 2006-04-07T18:02:11Z | |
dc.date.issued | 1981-09-02 | en_US |
dc.identifier.citation | Ford, G. W., Weber, W. H. (1981/09/02)."Electromagnetic effects in the Surface Enhanced Raman Scattering from a molecule at a liquid Hg surface." Surface Science 110(1): L587-L592. <http://hdl.handle.net/2027.42/24262> | en_US |
dc.identifier.uri | http://www.sciencedirect.com/science/article/B6TVX-46TYCTR-G7/2/3a869a291e6b8179654ddb93ba8c4f8b | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/24262 | |
dc.description.abstract | In a previous publication the image enhancement effect and the enhanced radiation due to near field excitation of surface roughness were calculated for a finite-size molecule above a metal described by a nonlocal dielectric relation [Phys. Rev. Letters 44 (1980) 1774]. When applied to a roughened Ag surface these calculations led to a predicted Surface Enhanced Raman Scattering (SERS) gain of ~ 103 due to each effect, yielding an overall gain ~ 106, in agreement with experiment. Here these calculations are extended to the case of a liquid Hg surface, the roughness corresponding to thermally excited ripplons. The SERS gain due to image enhancement is reduced to ~ 10, due primarily to the ~ 24 times greater electron scattering rate in Hg over that in Ag. The roughness gain is reduced to ~ 2 at room temperature, due to the difference between the ripplon spectrum and that of the boss-like surface structures assumed for the solid surface. The predicted overall SERS gain for Hg is ~ 20, far less than reported in recent observations [R. Naanan et al., J. Phys. Chem. 84 (1980) 2692]. The discrepancy raises serious questions about the electromagnetic explanations of SERS. | en_US |
dc.format.extent | 305672 bytes | |
dc.format.extent | 3118 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | Elsevier | en_US |
dc.title | Electromagnetic effects in the Surface Enhanced Raman Scattering from a molecule at a liquid Hg surface | en_US |
dc.type | Article | en_US |
dc.rights.robots | IndexNoFollow | en_US |
dc.subject.hlbsecondlevel | Materials Science and Engineering | en_US |
dc.subject.hlbsecondlevel | Chemistry | en_US |
dc.subject.hlbsecondlevel | Chemical Engineering | en_US |
dc.subject.hlbsecondlevel | Biological Chemistry | en_US |
dc.subject.hlbtoplevel | Engineering | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.subject.hlbtoplevel | Health Sciences | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Department of Physics, The University of Michigan, Ann Arbor, Michigan 48121, USA | en_US |
dc.contributor.affiliationother | Physics Department, Research Staff, Ford Motor Company, Dearborn, Michigan 48109, USA | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/24262/1/0000525.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1016/0039-6028(81)90577-X | en_US |
dc.identifier.source | Surface Science | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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