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Phase Transitions in Graphite – SbCl5 Intercalates

Published online by Cambridge University Press:  15 February 2011

Roy Clarke  and
Hitoshi Homma
Roy Clarke
Affiliation:
Department of Physics, The University of Michigan, Ann Arbor, Michigan, USA
Hitoshi Homma
Affiliation:
Department of Physics, The University of Michigan, Ann Arbor, Michigan, USA
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Abstract

Interlayer and intralayer ordering in SbCl5-GIC's are probed by X-ray diffuse scattering. A crossover from 3-d to quasi 2-d structure is observed at around stage 2. Surprisingly, different in-plane arrangements can be obtained under nominally the same preparation conditions at the same stage. A stripe-like incommensurate structure close to the √39 superperiod of graphite, and a 14×14 commensurate superlattice structure, have been observed in different samples. The formation of these groundstate structures, and their transitions to ‘disordered’ phases, are discussed in terms of the molecular degrees of freedom.

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 20: Symposium H – Intercalated Graphite , 1982 , 3
Copyright
Copyright © Materials Research Society 1983

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References

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