J. Phys. Colloques
Volume 42, Numéro C6, Décembre 1981International Conference on Phonon Physics
|Page(s)||C6-350 - C6-352|
J. Phys. Colloques 42 (1981) C6-350-C6-352
RAMAN SCATTERING STUDIES OF FOLDED SHEARING PHONONS IN KC12n (n=2 ≈ 6)N. Wada1, M.V. Klein2 et H. Zabel2
1 Coordinated Science Laboratory and Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, U.S.A.
2 Coordinated Science Laboratory, Department of Physics and Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, U.S.A.
Raman measurements were performed on KC12n (n=2 ≈ 6) in the very low frequency region (10 ≈ 50 cm-1) at room temperature. We assign the observed Raman peaks to the folded k≈0 phonons from the c-axis transverse acoustic branch of pristine graphite. A simple linear chain model was used to deduce the shearing force constants between the layers.