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Raman Scatteringl And Infrared Absorption in Lithium Intercalated MoS2

Published online by Cambridge University Press:  21 February 2011

T. Sekine ,
C. Julien ,
M. Jouanne ,
M. Weber  and
M. Balkanski
T. Sekine
Affiliation:
Laboratoire de Physique des Solides, Université P.et M.Curie associé au CNRS, 4, place Jussieu 75252 Paris Cedex 05, France
C. Julien
Affiliation:
Laboratoire de Physique des Solides, Université P.et M.Curie associé au CNRS, 4, place Jussieu 75252 Paris Cedex 05, France
M. Jouanne
Affiliation:
Laboratoire de Physique des Solides, Université P.et M.Curie associé au CNRS, 4, place Jussieu 75252 Paris Cedex 05, France
M. Weber
Affiliation:
Laboratoire de Physique des Solides, Université P.et M.Curie associé au CNRS, 4, place Jussieu 75252 Paris Cedex 05, France
M. Balkanski
Affiliation:
Laboratoire de Physique des Solides, Université P.et M.Curie associé au CNRS, 4, place Jussieu 75252 Paris Cedex 05, France
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Abstract

Raman scattering and IR absorption were studied in Li-intercalated MoS2 at room temperature. After intercalation, new Raman peaks were observed at low-frequency sides of the high-frequency original Raman peaks and around a rigid-layer mode. This fact indicates the formation of superlattice structure along the c-axis. An intercalation mode in which Li atoms vibrate strongly against the host lattice was observed at about 205 cm−1. Two new broad bands grow in the high-frequency region as the concentration of Li increases. The corresponding peaks were observed by IR absorption. They appears to be caused by vibrations of substitutional defects, in which the Li atoms have substituted for Mo atoms in the host lattice.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 135: Symposium M – Solid State Ionics I , 1988 , 461
Copyright
Copyright © Materials Research Society 1989

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References

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