Ultraviolet photoelectron spectroscopy and scanning tunnelling microscopy of silver and copper clusters on HOPG, noble metals and rare gas layers

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dc.contributor.advisorHövel, Heinz
dc.contributor.authorMiroslawski, Natalie Janina
dc.contributor.refereeBetz, Markus
dc.date.accepted2013-12-05
dc.date.accessioned2014-01-07T07:07:12Z
dc.date.available2014-01-07T07:07:12Z
dc.date.issued2014-01-07
dc.description.abstractIn terms of present and future applications of noble metal nanoparticles it is important to understand the interaction between metal clusters and their surrounding environment, especially with surfaces. Therefore the investigation of the geometric structure and electronic properties of clusters deposited on surfaces is of great importance. In this thesis silver and copper clusters were deposited on HOPG, noble metals and rare gas layers and investigated with ultraviolet photoelectron spectroscopy (UPS) and scanning tunnelling microscopy (STM). The geometric structure dependent on the cluster surface interaction was investigated with STM. In the case of silver clusters deposited on a gold substrate a strong cluster surface interaction leads to a layered structure of the deposited clusters. The electronic structure of silver and copper clusters was investigated with UPS for clusters deposited on different surfaces. A cluster size dependent electronic structure could be detected for all substrates. UPS measurements of deposited clusters on rare gas layers showed electronic quantisation within the s-p electronic structure, which was compared with results of UPS measurements of free beam clusters. Similarities could be observed, especially for copper clusters with 147 atoms.en
dc.identifier.urihttp://hdl.handle.net/2003/31799
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-13188
dc.language.isoende
dc.subjectClustersen
dc.subjectSilveren
dc.subjectCopperen
dc.subjectRare gasen
dc.subjectSpectroscopyen
dc.subjectUPSen
dc.subjectSTMen
dc.subjectInteractionde
dc.subjectSurfaceen
dc.subjectNanoparticleen
dc.subject.ddc530
dc.titleUltraviolet photoelectron spectroscopy and scanning tunnelling microscopy of silver and copper clusters on HOPG, noble metals and rare gas layersen
dc.typeTextde
dc.type.publicationtypedoctoralThesisde
dcterms.accessRightsopen access

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