Temperature-dependent Raman study on C70 film. Observation of a rotational ordering transition

Eun joo Shin, Ok Keun Song, Dongho Kim, Yung Doug Suh, Sung Ik Yang, Seong Keun Kim

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


An orientational ordering transition was observed near 260 K from a C70 film in a temperature-dependent Raman study. The 1183 cm-1 Raman band shows a rather dramatic change in both frequency and bandwidth over the range of 220-280 K. The low-frequency Raman band at 260 cm-1 disappears, and at its expense, a new band emerges at 266 cm-1 as the temperature is decreased. The relatively smooth transition in temperature is attributed to the stacking disorder in molecular packing and the nonuniform orientational conformation of C70 solid.

Original languageEnglish
Pages (from-to)107-114
Number of pages8
JournalChemical Physics Letters
Issue number1-2
Publication statusPublished - 1994 Feb 4

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry


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