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  Nanoscale probing of adsorbed species by tip-enhanced Raman spectroscopy

Pettinger, B., Ren, B., Picardi, G., Schuster, R., & Ertl, G. (2004). Nanoscale probing of adsorbed species by tip-enhanced Raman spectroscopy. Physical Review Letters, 92(09), 096101–1-096101–4. doi:10.1103/PhysRevLett.92.096101.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-0D40-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0023-C469-1
Genre: Journal Article

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e096101.pdf (Publisher version), 157KB
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2004
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APS
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 Creators:
Pettinger, Bruno1, Author              
Ren, Bin1, Author              
Picardi, Gennaro1, Author              
Schuster, Rolf1, Author              
Ertl, Gerhard1, Author              
Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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Free keywords: Goldstone bosons; organic compounds; adsorbed layers; Raman spectra; platinum; iridium; nanotechnology
 Abstract: Tip-enhanced Raman spectroscopy (TERS) is based on the optical excitation of localized surface plasmons in the tip-substrate cavity, which provides a large but local field enhancement near the tip apex. We report on TERS with smooth single crystalline surfaces as substrates. The adsorbates were CN– ions at Au(111) and malachite green isothiocyanate (MGITC) molecules at Au(111) and Pt(110) using either Au or Ir tips. The data analysis yields Raman enhancements of about 4x105 for CN– and up to 106 for MGITC at Au(111) with a Au tip, probing an area of less than 100 nm radius.

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Language(s): eng - English
 Dates: 2004-03-05
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 111928
DOI: 10.1103/PhysRevLett.92.096101
 Degree: -

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Title: Physical Review Letters
  Other : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y., etc. : American Physical Society.
Pages: - Volume / Issue: 92 (09) Sequence Number: - Start / End Page: 096101–1 - 096101–4 Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406