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Modification of Atomic Structure of Thin Amorphous V2O 5 Films under UV Laser Irradiation
Vise andre og tillknytning
2008 (engelsk)Inngår i: PROCEEDINGS OF THE 17TH INTERNATIONAL VACUUM CONGRESS/13TH INTERNATIONAL CONFERENCE ON SURFACE SCIENCE/INTERNATIONAL CONFERENCE ON NANOSCIENCE AND TECHNOLOGY, 2008Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Influence of ultra-violet radiation of the KrF laser (wave length 248 nm, pulse duration 20 ns) on atomic structure of amorphous vanadium pentoxide thin films, prepared by the pulsed laser deposition method, is studied. Calculations of the short-range order characteristics (radii and diffusiveness of coordination spheres, coordination numbers) were performed by the Finbak -Warren method. It is established that minimal structure unit of amorphous V 2O5 film before and after irradiation is a strongly deformed oxygen octahedron. Distortions of tetragonal pyramids in the initial and modified film are different. Also, oxygen deficiency in a tetragonal pyramid is observed.

sted, utgiver, år, opplag, sider
2008.
Serie
Journal of Physics Conference Series, ISSN 1742-6588 ; 100
Emneord [en]
Atomic structure, Before and after, Coordination number, Coordination sphere, KrF lasers, Modified film, Oxygen deficiency, Oxygen octahedra, Pulse durations, Pulsed laser, Short range orders, Structure unit, Tetragonal pyramids, Ultra-violet, UV-laser irradiation, Vanadium pentoxide thin films, Chemical modification, Deposition, Irradiation, Krypton, Oxygen, Pulsed laser deposition, Pulsed lasers, Vanadium, Vanadium compounds, Amorphous films
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Identifikatorer
URN: urn:nbn:se:kth:diva-154015DOI: 10.1088/1742-6596/100/5/052096ISI: 000275655200192Scopus ID: 2-s2.0-77954333719OAI: oai:DiVA.org:kth-154015DiVA, id: diva2:755607
Konferanse
17th International Vacuum Congress/13th International Conference on Surface Science/Internatinal Conference on Nanoscience and Technology, Stockholm, SWEDEN, JUL 02-06, 2007
Merknad

QC 20141015

Tilgjengelig fra: 2014-10-15 Laget: 2014-10-10 Sist oppdatert: 2014-10-15bibliografisk kontrollert

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