Bulk and surface phases of NaxC60
โ Scribed by G.K. Wertheim; D.N.E. Buchanan; J.E. Rowe
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 410 KB
- Volume
- 202
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
Valence band photoemission spectra obtained during various stages of the reaction of Na with C6,, show contributions not only from the two known bulk phases, weakly metallic Na,C,O and insulating Na&&, but also from the surface layer. The surface has a unique spectrum, with split t,. band, during the early stages of doping. In the presence of excess Na on the surface of Na,&, charge donation into the tl, band of CsO has been observed
๐ SIMILAR VOLUMES
kmetrc model for the effective (eg surface plus bulk) dtffuswrty In a porous bed composed of rectangular channels IS presented The ment of this approach 1s that no dlstmctlon IS made between the bulk and adsorbed phase and the effective axml flux can therefore he compared directly with expenmental m