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| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Patsalas, P. | en |
| dc.contributor.author | Logothetidis, S. | en |
| dc.contributor.author | Metaxa, C. | en |
| dc.date.accessioned | 2015-11-24T17:36:58Z | - |
| dc.date.available | 2015-11-24T17:36:58Z | - |
| dc.identifier.issn | 0003-6951 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/14305 | - |
| dc.rights | Default Licence | - |
| dc.subject | thin-films | en |
| dc.subject | spectroscopic ellipsometry | en |
| dc.subject | ceo2 | en |
| dc.subject | reflectivity | en |
| dc.subject | temperature | en |
| dc.subject | deposition | en |
| dc.title | Optical performance of nanocrystalline transparent Ceria films | en |
| heal.type | journalArticle | - |
| heal.type.en | Journal article | en |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.identifier.primary | Doi 10.1063/1.1494458 | - |
| heal.identifier.secondary | <Go to ISI>://000176599600026 | - |
| heal.language | en | - |
| heal.access | campus | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικών | el |
| heal.publicationDate | 2002 | - |
| heal.abstract | Ceria is a transparent oxide suitable for various optical and optoelectronic devices. In this work, we tailor independently the refractive index n and fundamental gap E-g of nanocrystalline Ceria films by varying the substrate temperature or using Ar+ ion beams during growth with electron beam evaporation. Spectroscopic ellipsometry and x-ray reflectivity are employed to study n and E-g and to identify the physical parameters that affect them. We correlate n (varies from 1.65 to 2.15 in the studied films) with the film density through a universal, square law. The film composition strongly affects E-g, which varies from 2.8 to similar to2.0 eV. The optical absorption below 3 eV and the E-g shift are attributed to O-defect states and not to modifications in interband transitions. (C) 2002 American Institute of Physics. | en |
| heal.publisher | American Institute of Physics | en |
| heal.journalName | Applied Physics Letters | en |
| heal.journalType | peer reviewed | - |
| heal.fullTextAvailability | TRUE | - |
| Appears in Collections: | Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά) | |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Patsalas-2002-Opt.pdf | 360.83 kB | Adobe PDF | View/Open |
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