Low temperature x-ray diffraction study of stage 1 graphite-FeCl3
β Scribed by H. Mazurek; G. Ghavamishahidi; G. Dresselhaus; M.S. Dresselhaus
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 403 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0008-6223
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β¦ Synopsis
The temperature dependence of the (001) X-ray reflections in graphite-Fe& is reported. The c-axis unit cell, I,, shows a large expansion with increasing temperature, associated with a large relative expansion of the Fe-Cl interplanar distances and a smaller expansion of the graphite-intercalant interplanar distances. The expansion of the Fe-Cl interlayer distance in the stage I graphite-FeCI1 compound is in good agreement with that of pristine FeCI%. Within experimental accuracy. no changes in I, were observed in the temperature range where magnetic transitions have-been reported.
π SIMILAR VOLUMES
The nuclear hyperfine technique of time-differential perturbed angular correlations has been applied to the study of graphite intercalation compounds. Values are obtained for the electric field gradients and the quadrupole frequencies of the intercalated probe nuclei. Specifically, three species are
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Instrument Enraf-Nonius DIP 200 image plate di!ractometer Wavelength ( ) 0.71073 0.71073 Temperature (K) 298 150 No. of independent re#ections 663 661 No. of re#ections'3 I 461 510 R (%) 13.6 12.7 Space group