Change search
ReferencesLink to record
Permanent link

Direct link
Pulsed Laser Deposition of Zinc Sulfide Thin Films on Silicon: The influence of substrate orientation and preparation on thin film morphology and texture
Norwegian University of Science and Technology, Faculty of Natural Sciences and Technology, Department of Physics.
2014 (English)MasteroppgaveStudent thesis
Abstract [en]

The effect of orientation and preparation of silicon substrates on the growth morphology and crystalline structure of ZnS thin films deposited by pulsed laser deposition (PLD) has been investigated through scanning electron microscopy (SEM) and grazing incidence x-ray diffraction (GIXRD). ZnS thin films were grown on silicon (100) and (111), on HF-treated and untreated silicon (100) as well as substrates coated with Al, Ge and Au. The ZnS films showed entirely different morphologies for ZnS films grown on silicon (100) and (111) substrates, but a preferred orientation largely independent of substrate orientation, preparation or coating. The films are either wurtzite (W) or a mixture of wurtzite or zinc blende (ZB). The preferred orientation is suggested to be related to the lower surface energies of the W(001) surface, and the ZB(111) surface in a Zn-poor environment. A technique for in-situ removal of native oxide from silicon by laser ablation of a ZnS target was tested and found to remove a significant amount of the surface of the substrates. The reoxidation in air of silicon (100) surfaces was monitored by ellipsometry, and HF-treated substrates were examined by RHEED. The results revealed that HF-treated Si(100) showed signs of rapid reoxidation in air, but this had no visible effect on ZnS film growth compared to untreated substrates.

Place, publisher, year, edition, pages
Institutt for fysikk , 2014. , 80 p.
URN: urn:nbn:no:ntnu:diva-25097Local ID: ntnudaim:8538OAI: diva2:730602
Available from: 2014-06-28 Created: 2014-06-28 Last updated: 2014-06-28Bibliographically approved

Open Access in DiVA

fulltext(15288 kB)967 downloads
File information
File name FULLTEXT01.pdfFile size 15288 kBChecksum SHA-512
Type fulltextMimetype application/pdf
cover(312 kB)5 downloads
File information
File name COVER01.pdfFile size 312 kBChecksum SHA-512
Type coverMimetype application/pdf

By organisation
Department of Physics

Search outside of DiVA

GoogleGoogle Scholar
Total: 967 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Total: 62 hits
ReferencesLink to record
Permanent link

Direct link