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Graphite intercalation compounds of PdCl2: Structural investigations

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autorschaft

  • P. Behrens
  • J. Ehrich
  • W. Metz
  • W. Niemann

Externe Organisationen

  • Universität Hamburg
  • Haldor Topsoe AS

Details

OriginalspracheEnglisch
Seiten (von - bis)199-204
Seitenumfang6
FachzeitschriftSynthetic metals
Jahrgang34
Ausgabenummer1-3
PublikationsstatusVeröffentlicht - 1989
Extern publiziertJa

Abstract

GICs+ of Palladium(II)-chloride were investigated by X-ray diffraction and by X-ray absorption spectroscopy at the Cl K edge and the L edges of Pd. These two methods give complementary information on the structure of the intercalate layer. This structure is built up from ∞1[PdCl2] chains as they occur in α-PdCl2. Monochromatic Laue photographs reveal that these chains are rotationally disordered with respect to the crystallographic axes of the graphene layers, but show a tendency towards an epitactic arrangement. The XANES regions of all edges also provide evidence of a great similarity between intercalated PdCl2 and pristine α-PdCl2. Angle-dependent XANES measurements at the Cl K and the Pd LIII edge show that the angle between the graphene layers and the plane of the chloride chains is about 59°.

ASJC Scopus Sachgebiete

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Graphite intercalation compounds of PdCl2: Structural investigations. / Behrens, P.; Ehrich, J.; Metz, W. et al.
in: Synthetic metals, Jahrgang 34, Nr. 1-3, 1989, S. 199-204.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Behrens, P, Ehrich, J, Metz, W & Niemann, W 1989, 'Graphite intercalation compounds of PdCl2: Structural investigations', Synthetic metals, Jg. 34, Nr. 1-3, S. 199-204. https://doi.org/10.1016/0379-6779(89)90385-8
Behrens P, Ehrich J, Metz W, Niemann W. Graphite intercalation compounds of PdCl2: Structural investigations. Synthetic metals. 1989;34(1-3):199-204. doi: 10.1016/0379-6779(89)90385-8
Behrens, P. ; Ehrich, J. ; Metz, W. et al. / Graphite intercalation compounds of PdCl2 : Structural investigations. in: Synthetic metals. 1989 ; Jahrgang 34, Nr. 1-3. S. 199-204.
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AU - Behrens, P.

AU - Ehrich, J.

AU - Metz, W.

AU - Niemann, W.

N1 - Funding Information: ACKNOWLEDGEMENTS We are indebted to golf Pilfer and Karin Lochte for their assistance during the experiments. Thanks are also due to the HASYLAB staff, especially Ronald Frahm. One of us (P.B.) acknowledges support from the Studienstiftung des Deutschen Volkes.

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AB - GICs+ of Palladium(II)-chloride were investigated by X-ray diffraction and by X-ray absorption spectroscopy at the Cl K edge and the L edges of Pd. These two methods give complementary information on the structure of the intercalate layer. This structure is built up from ∞1[PdCl2] chains as they occur in α-PdCl2. Monochromatic Laue photographs reveal that these chains are rotationally disordered with respect to the crystallographic axes of the graphene layers, but show a tendency towards an epitactic arrangement. The XANES regions of all edges also provide evidence of a great similarity between intercalated PdCl2 and pristine α-PdCl2. Angle-dependent XANES measurements at the Cl K and the Pd LIII edge show that the angle between the graphene layers and the plane of the chloride chains is about 59°.

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