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Anomalous enhancement in the infrared phonon intensity of a one-dimensional uneven peanut-shaped C(60) polymer.
MedLine Citation:
PMID:  22475823     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A one-dimensional (1D) uneven peanut-shaped C(60) polymer formed from electron-beam (EB)-induced polymerization of C(60) molecules showed an anomalous increase in two characteristic infrared (IR) peak intensities, which are respectively due to the radial and tangential motion of the 1D polymer, when compared to the IR peaks of pristine C(60) films. This anomaly was analyzed on the basis of the vibrational van Hove singularity (VHS), using an extended thin-shell elastic model fully considering the effects of periodic radius modulation inherent to the 1D uneven peanut-shaped C(60) polymer. We succeeded in explaining the enhancement in the tangential peak intensity by VHS, whereas the origin to cause that in the radial peak intensity is still unclear.
Authors:
J Onoe; A Takashima; S Ono; H Shima; T Nishii
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-05
Journal Detail:
Title:  Journal of physics. Condensed matter : an Institute of Physics journal     Volume:  24     ISSN:  1361-648X     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101165248     Medline TA:  J Phys Condens Matter     Country:  -    
Other Details:
Languages:  ENG     Pagination:  175405     Citation Subset:  -    
Affiliation:
Research Laboratory for Nuclear Reactors and Department of Nuclear Engineering, Tokyo Institute of Technology, O-okayama, Meguro, Tokyo 152-8550, Japan.
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