Elastic effects in intercalation compounds: Comparison of lithium in graphite and TiS/sub 2/
We compare the concentration dependence of stage-1 package thicknesses for the intercalation compound families Li/sub x/C/sub 6/ and Li/sub x/TiS/sub 2/ in order to study the influence of host elastic properties on staging. In both families the data suggest that local host-layer distortions around isolated intercalates are important, an elastic model based on rigid layers giving a poor fit. The decay lengths for local distortions are 5 and 7 A, respectively, for graphite and TiS/sub 2/. We argue that a more concentrated strain field associated with the smaller decay length gives rise to a larger value of U/sub 0/, the effective in-plane two-body attractive potential, for Li in graphite relative to TiS/sub 2/. This in turn explains qualitatively why Li/sub x/C/sub 6/ exhibits high stages at 300 K for various x while Li/sub x/TiS/sub 2/ is restricted to stage 1.
- Research Organization:
- Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia, Pennsylvania 19104
- OSTI ID:
- 6092744
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Vol. 35:7
- Country of Publication:
- United States
- Language:
- English
Similar Records
Binary and ternary alkali graphite intercalation compounds: in-situ x-ray study of elastic and electrostatic effects on staging
Binary and ternary alkali graphite intercalation compounds: in-situ x-study of elastic and electrostatic effects on staging
Related Subjects
CARBON
ELASTICITY
LITHIUM
TITANIUM SULFIDES
CLATHRATES
EXPERIMENTAL DATA
NEUTRON DIFFRACTION
POTENTIALS
QUANTITY RATIO
STRAINS
SUPERLATTICES
ALKALI METALS
CHALCOGENIDES
COHERENT SCATTERING
DATA
DIFFRACTION
ELEMENTS
INFORMATION
MECHANICAL PROPERTIES
METALS
NONMETALS
NUMERICAL DATA
SCATTERING
SULFIDES
SULFUR COMPOUNDS
TENSILE PROPERTIES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
360603* - Materials- Properties