X-ray absorption spectroscopy and X-ray diffraction of AuCl₃-graphite

verfasst von

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

Abstract

Single crystal samples of a stage 1 compound of AuCl₃-graphite have been investigated by X-ray diffraction. The 001 patterns show a lattice parameter c⁽¹⁾ of 683 pm. The received hk-pattern can be interpreted by an oblique angled in-plane lattice with lattice parameters: a = 1288 pm, b = 655 pm and γ=112.5°, commensurate with the graphite lattice. This in-plane cell is nearly identical with the a-c lattice plane of pristine Au(III)-chloride. Therefore, we consider that AuCl₃-graphite is built up of the same planar units Au₂Cl₆ as they are found in pristine Au(III)-chloride. Angle dependent EXAFS and XANES measurements of HOPG samples indicate the tilting of the planar molecules by an angle of ca. 15° with respect to the graphite layers.

Externe Organisation(en)

Universität Hamburg
Haldor Topsoe AS

Typ

Artikel

Journal

Synthetic metals

Band

34

Seiten

217-222

Anzahl der Seiten

6

ISSN

0379-6779

Publikationsdatum

1989

Publikationsstatus

Veröffentlicht

Peer-reviewed

Ja

ASJC Scopus Sachgebiete

Elektronische, optische und magnetische Materialien, Physik der kondensierten Materie, Werkstoffmechanik, Maschinenbau, Metalle und Legierungen, Werkstoffchemie

Elektronische Version(en)

https://doi.org/10.1016/0379-6779(89)90388-3 (Zugang: Geschlossen)