Raman studies of organic superconductors

The temperature-dependence of the frequency of one of the components of the v9 (Ag) doublet in the Raman spectra of several organic superconductors has been measured. The frequency of this mode was observed to soften below 100K, in those compounds in which NMR data indicates antiferromagnetic oscill...

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Bibliographic Details
Published inSynthetic metals Vol. 120; no. 1; pp. 709 - 710
Main Authors Lin, Y., Eldridge, J.E., Wang, H.H., Kini, A.M., Schlueter, J.
Format Journal Article Conference Proceeding
LanguageEnglish
Published Lausanne Elsevier B.V 15.03.2001
Amsterdam Elsevier Science
New York, NY
Subjects
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
ORGANIC SUPERCONDUCTORS
OSCILLATIONS
Phonons
Physics
Properties of type I and type II superconductors
RAMAN SPECTRA
Superconducting materials (excluding high-tc compounds)
Superconductivity
TEMPERATURE DEPENDENCE
Temperature dependence
Raman spectra
Organic superconductors
Anionic complex
Experimental study
Cyano complex
Soft modes
Nitro complex
Organic free radical
BEDT-TTF
Vibrational modes
Bromides
Spin-phonon interactions
Copper complexes
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Summary:The temperature-dependence of the frequency of one of the components of the v9 (Ag) doublet in the Raman spectra of several organic superconductors has been measured. The frequency of this mode was observed to soften below 100K, in those compounds in which NMR data indicates antiferromagnetic oscillations in the same temperature range. This is evidence for spin-phonon interactions.
Bibliography:USDOE Office of Science (SC)
DE-AC02-06CH11357
ANL/MSD/JA-39669
ISSN:0379-6779
1879-3290
DOI:10.1016/S0379-6779(00)01186-3