Coadsorption of cesium and elemental sulfur on Ni(100) surfaces
| dc.contributor.author | Papageorgopoulos, C. A. | en |
| dc.contributor.author | Kamaratos, M. | en |
| dc.contributor.author | Papageorgopoulos, A. C. | en |
| dc.date.accessioned | 2015-11-24T18:31:41Z | |
| dc.date.available | 2015-11-24T18:31:41Z | |
| dc.identifier.issn | 0039-6028 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/16504 | |
| dc.rights | Default Licence | - |
| dc.subject | adsorption | en |
| dc.subject | alkali metals | en |
| dc.subject | auger electron spectroscopy | en |
| dc.subject | chalcogen | en |
| dc.subject | thermal desorption spectroscopy | en |
| dc.subject | work function measurements | en |
| dc.subject | adsorption | en |
| dc.subject | cs | en |
| dc.subject | oxygen | en |
| dc.subject | behavior | en |
| dc.subject | w(110) | en |
| dc.subject | mos2 | en |
| dc.title | Coadsorption of cesium and elemental sulfur on Ni(100) surfaces | en |
| heal.abstract | Adsorption of cesium on clean Ni(100) at room temperature produces an hcp metallic structure at the completion of a single layer [0.3 monolayers (ML)]. Independently of the sequence of cesium and sulfur deposition, the latter is bound directly to the Ni(100) substrate giving a (2 x 2) and a c(2 x 2) structure similar to those of sulfur alone on clean Ni(100). Cesium deposition on preheated c(2 x 2)-S structure changes it successively to (2 x 2) and (3 x 3) by reducing the density of the sulfur structure which is contact with the nickel. The presence of sulfur causes a disordering and dimetallization of the well-ordered uniform cesium layer on clean Ni(100). Apparently these mutual effects of the coadsorbates are due to a strong Cs-S interaction. The presence of sulfur also increases the binding energy and the amount of cesium in multilayers. The binding energy of cesium on sulfated Ni(100) was found to be 2.7 eV as compared with 2.8 eV on MoS2. There is no indication for the formation of ally Cs-S compound. (C) 1999 Elsevier Science B.V. All rights reserved. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.secondary | <Go to ISI>://000082235500158 | - |
| heal.journalName | Surface Science | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 1999 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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