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Transport study of (T,p) phase diagram in PdAl2Cl8 intercalated graphite
Umeå University, Faculty of Science and Technology, Physics.
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1996 (English)In: Journal of Physics and Chemistry of Solids, volume 57, issues 6-8: Proceedings of the 8th International Symposium on Intercalation Compounds (ISIC-8), Vancouver 1995, Elsevier Ltd. , 1996, 827-831 p.Conference paper, Published paper (Refereed)
Abstract [en]

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.

Place, publisher, year, edition, pages
Elsevier Ltd. , 1996. 827-831 p.
Series
Journal of Physics and Chemistry of Solids, ISSN 0022-3697 ; Volume 57, issues 6-8
Keyword [en]
Graphite intercalation compound, GIC, insertion compound, PdAl2Cl8, structural phase diagram, resistivity, c-axis resistance, high pressure, low temperature, HOPG, single crystal graphite
National Category
Condensed Matter Physics
Research subject
Physics
Identifiers
URN: urn:nbn:se:umu:diva-26170DOI: 10.1016/0022-3697(96)00357-5OAI: oai:DiVA.org:umu-26170DiVA: diva2:240506
Note
Editors: John E. Fischer, R.F. Frindt and Stuart A. Solin.Available from: 2009-09-28 Created: 2009-09-28 Last updated: 2010-01-28

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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  • de-DE
  • en-GB
  • en-US
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