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Visualization of Vi...
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Duan, SaiKTH,Teoretisk kemi och biologi
(författare)
Visualization of Vibrational Modes in Real Space by Tip-Enhanced Non-Resonant Raman Spectroscopy
- Artikel/kapitelEngelska2016
Förlag, utgivningsår, omfång ...
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2015-11-13
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Wiley-VCH Verlagsgesellschaft,2016
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-182852
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-182852URI
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https://doi.org/10.1002/anie.201508218DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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QC 20160224
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We present a general theory to model the spatially resolved non-resonant Raman images of molecules. It is predicted that the vibrational motions of different Raman modes can be fully visualized in real space by tip-enhanced non-resonant Raman scattering. As an example, the non-resonant Raman images of water clusters were simulated by combining the new theory and first-principles calculations. Each individual normal mode gives rise its own distinct Raman image, which resembles the expected vibrational motions of the atoms very well. The characteristics of intermolecular vibrations in supermolecules could also be identified. The effects of the spatial distribution of the plasmon as well as nonlinear scattering processes were also addressed. Our study not only suggests a feasible approach to spatially visualize vibrational modes, but also provides new insights in the field of nonlinear plasmonic spectroscopy.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Tian, GuangjunKTH,Teoretisk kemi och biologi(Swepub:kth)u13a4y32
(författare)
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Luo, YiKTH,Teoretisk kemi och biologi,University of Science and Technology of China, China(Swepub:kth)u126eitw
(författare)
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KTHTeoretisk kemi och biologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Angewandte Chemie International Edition: Wiley-VCH Verlagsgesellschaft55:3, s. 1041-10451433-78511521-3773
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