Conductivity mode in blue bronze

H. K. Ng, G. A. Thomas, L. F. Schneemeyer

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


We have extended far-infrared reflectance measurements of K0.3MoO3 to frequencies as low as 4 cm-1 using a Martin-Puplett interferometer and a He3-cooled bolometer. The new results, combined with other measurements, span an energy range from 0.5 meV to 6 eV and reveal two optically active modes arising from charge-density waves, the lower of which is near a frequency of 3 cm-1 (corresponding to a thermal energy of 4 K, slightly above the sample temperature of 2 K in our experiment). We interpret the peaks as new evidence of pinned charge-density waves, in addition to the Raman-active mode previously seen at higher frequencies.

Original languageEnglish
Pages (from-to)8755-8757
Number of pages3
JournalPhysical Review B
Issue number12
StatePublished - 1986


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