Phonons in the graphite-potassium intercalation compound C/sub 36/K

Journal Article · Mon Feb 09 04:00:00 EST 1981 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.46.444· OSTI ID:6613620

Magerl, A; Zabel, H

An inelastic--neutron-scattering study of the (001) L phonons in C/sub 36/K shows, for the first time, zone-folding effects along with frequency gaps between acoustic and optic modes. Phonon dispersion and structure factors can be modeled by a linear chain with two different masses and two force constants: phi/sub 1/=3450 dyn/cm for the coupling of graphite and potassium planes, and phi/sub 2/=2850 dyn/cm for the coupling between two adjacent graphite planes.

• Research Organization: National Measurement Laboratory, National Bureau of Standards, Washington, D. C. 20234
• DOE Contract Number: AC02-76ER01198
• OSTI ID: 6613620
• Journal Information: Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 46:6; ISSN PRLTA
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ALKALI METALS
BRILLOUIN ZONES
CARBON
CLATHRATES
COHERENT SCATTERING
DATA
DIFFRACTION
DISPERSION RELATIONS
ELEMENTS
EXPERIMENTAL DATA
GRAPHITE
INELASTIC SCATTERING
INFORMATION
LOW TEMPERATURE
MEDIUM TEMPERATURE
METALS
NEUTRON DIFFRACTION
NONMETALS
NUMERICAL DATA
PHONONS
POTASSIUM
QUASI PARTICLES
SCATTERING
STRUCTURE FACTORS
ZONES