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Optical and morphological properties of porous diamond-like-carbon films deposited by magnetron sputtering
KTH, Skolan för industriell teknik och management (ITM), Materialvetenskap, Tillämpad materialfysik.ORCID-id: 0000-0002-9050-5445
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2006 (Engelska)Ingår i: Journal of Non-Crystalline Solids, ISSN 0022-3093, E-ISSN 1873-4812, Vol. 352, nr 32-35, s. 3734-3738Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Porous diamond-like-carbon (PDLC) thin films obtained on silicon substrate by DC low energy magnetron sputtering have been investigated by photoluminescence, transmission and reflection spectroscopy, photoacoustic and spectroscopic ellipsometry. The absorption features observed for these films show similarities with those of porous silicon (PS) as well as in the performed gradient structural pattern classification of the SFM porosity, by means of the computational GPA-flyby environment on PS and PDLC samples. The dielectric function is also calculated for the bulk diamond-like carbon using the full-potential linearized augmented plane wave method within the framework of local density approximation to density functional theory. From the measurement a low real dielectric constant of about 4.5 at 0.8 eV was found whereas the calculated e(1)(0) for the bulk diamond has a value of 5.5.

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2006. Vol. 352, nr 32-35, s. 3734-3738
Nyckelord [en]
modeling and simulation, optical properties, thermal properties, asymmetric fragmentation patterns, silicon
Nationell ämneskategori
Materialteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-16000DOI: 10.1016/j.jnoncrysol.2006.02.126ISI: 000240706000066Scopus ID: 2-s2.0-33748052982OAI: oai:DiVA.org:kth-16000DiVA, id: diva2:334042
Anmärkning
QC 20100525 QC 20110927. Conference: 7th Brazilian Symposium on Glasses and Related Materials/3rd International Symposium on Non-Crystalline Solids in Brazil. Maringa, BRAZIL. NOV 13-16, 2005 Tillgänglig från: 2010-08-05 Skapad: 2010-08-05 Senast uppdaterad: 2017-12-12Bibliografiskt granskad

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Persson, Clas

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Totalt: 305 träffar
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