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  • McRae, Edward, et al. (author)
  • Transport study of (T,p) phase diagram in PdAl2Cl8 intercalated graphite
  • 1996
  • In: Journal of Physics and Chemistry of Solids, volume 57, issues 6-8. - : Elsevier Ltd.. ; , s. 827-831
  • Conference paper (peer-reviewed)abstract
    • We have examined the c-direction variations of resistance, Rc (or resistivity, varrhoc) over the 4.2–295 K. temperature range at ambient pressure, and over the 160–295 K range for pressures up to 1.5 GPa on first stage PdAl2Cl8 graphite intercalation compounds. All samples examined manifest a rapid, nonlinear decrease in Rc with pressure (maximum ¦dln Rc/dp¦ > 300 % GPa−1 at 0.4 GPa. The overall Rc decrease is around 90% by 1GPa, a value greater than that observed in any other GIC to date. Upon slow pressure release, the resistance increases linearly but to only about 20–25% of its initial (1 bar) value for HOPG-based materials: on the contrary, it returns along its initial R-p trajectory for GICs based on single crystal graphite. We discuss these data with reference to the X-ray diffraction results, to the significance of the residual resistivity and to studies on other similar lamellar solids.
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  • Result 1-1 of 1
Type of publication
conference paper (1)
Type of content
peer-reviewed (1)
Author/Editor
Sundqvist, Bertil (1)
McRae, Edward (1)
Andersson, Odd E. (1)
Lelaurain, Michelle (1)
Polo, V. (1)
Vangelisti, René (1)
University
Umeå University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
1996 (1)

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