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Volumn 86, Issue 18, 2001, Pages 4060-4063

Coherent external and internal phonons in quasi-one-dimensional organic molecular crystals

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; BAND STRUCTURE; EXCITONS; GROUND STATE; MOLECULAR DYNAMICS; ORGANIC COMPOUNDS; PHONONS; PHYSICAL VAPOR DEPOSITION; RAMAN SCATTERING; TEMPERATURE; VIBRATIONS (MECHANICAL);

EID: 0035971899     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.86.4060     Document Type: Article
Times cited : (22)

References (29)
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  • 2
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    • Z. D. Popovic, R. O. Loutfy, and A.-M. Hor, Can. J. Chem. 63, 134 (1985); C. W. Tang and S. A. VanSlyke, Appl. Phys. Lett. 51, 913 (1987); C. W. Tang, Appl. Phys. Lett. 48, 183 (1986).
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  • 3
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    • Z. D. Popovic, R. O. Loutfy, and A.-M. Hor, Can. J. Chem. 63, 134 (1985); C. W. Tang and S. A. VanSlyke, Appl. Phys. Lett. 51, 913 (1987); C. W. Tang, Appl. Phys. Lett. 48, 183 (1986).
    • (1986) Appl. Phys. Lett. , vol.48 , pp. 183
    • Tang, C.W.1
  • 7
    • 0342701858 scopus 로고    scopus 로고
    • Light Scattering in Solids VIII, edited by M. Cardona and G. Güntherodt, Springer, Berlin
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    • note
    • decay = 4.2 ± 0.4 ps.
  • 25
    • 0003966674 scopus 로고
    • AIP Press, New York, Chap. 1A.4.2, and references therein
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    • (1994) Organic Molecular Crystals
    • Silinsh, E.A.1    Capek, V.2
  • 26
    • 0343862009 scopus 로고    scopus 로고
    • note
    • g symmetry could only contribute to the signal if nearly degenerate electronic transitions with different orientations of the transition dipoles would be available, but for the isolated MePTCDI molecule, this is not the case in our range of photon energies.
  • 27
    • 0343862008 scopus 로고    scopus 로고
    • note
    • g, which therefore can be diagonalized separately. Each of these submatrices contains both external and internal degrees of freedom, so that after the diagonalization the eigenvectors can have a mixed character. To simplify the discussion in the main text, we have discussed the modes in terms of external and internal if we expect that the eigenvector is dominated by the corresponding contribution.


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