Please use this identifier to cite or link to this item: https://ktisis.cut.ac.cy/handle/10488/14652
DC FieldValueLanguage
dc.contributor.authorConstantinou, Marios-
dc.contributor.authorNikolaou, Petros-
dc.contributor.authorKoutsokeras, Loukas E.-
dc.contributor.authorAvgeropoulos, Apostolos-
dc.contributor.authorMoschovas, Dimitrios-
dc.contributor.authorVarotsis, Constantinos-
dc.contributor.authorPatsalas, Panos-
dc.contributor.authorKelires, Pantelis C.-
dc.contributor.authorConstantinides, Georgios-
dc.date.accessioned2019-07-19T12:19:57Z-
dc.date.available2019-07-19T12:19:57Z-
dc.date.issued2018-04-
dc.identifier.citationNanomaterials, 2018, vol. 8, no. 4en_US
dc.identifier.issn2079-4991-
dc.description.abstractThis study aimed to develop hydrogenated amorphous carbon thin films with embedded metallic nanoparticles (a-C:H:Me) of controlled size and concentration. Towards this end, a novel hybrid deposition system is presented that uses a combination of Plasma Enhanced Chemical Vapor Deposition (PECVD) and Physical Vapor Deposition (PVD) technologies. The a-C:H matrix was deposited through the acceleration of carbon ions generated through a radio-frequency (RF) plasma source by cracking methane, whereas metallic nanoparticles were generated and deposited using terminated gas condensation (TGC) technology. The resulting material was a hydrogenated amorphous carbon film with controlled physical properties and evenly dispersed metallic nanoparticles (here Ag or Ti). The physical, chemical, morphological and mechanical characteristics of the films were investigated through X-ray reflectivity (XRR), Raman spectroscopy, Scanning Electron Microscopy (SEM), Atomic Force Microscopy (AFM), Transmission Electron Microscopy (TEM) and nanoscratch testing. The resulting amorphous carbon metal nanocomposite films (a-C:H:Ag and a-C:H:Ti) exhibited enhanced nanoscratch resistance (up to +50%) and low values of friction coefficient (<0.05), properties desirable for protective coatings and/or solid lubricant applications. The ability to form nanocomposite structures with tunable coating performance by potentially controlling the carbon bonding, hydrogen content, and the type/size/percent of metallic nanoparticles opens new avenues for a broad range of applications in which mechanical, physical, biological and/or combinatorial properties are required.en_US
dc.formatpdfen_US
dc.language.isoenen_US
dc.relation.ispartofNanomaterialsen_US
dc.rights© by the authors. Licensee MDPI, Basel, Switzerlanden_US
dc.subjectHybrid deposition systemen_US
dc.subjectHydrogenated amorphous carbon filmsen_US
dc.subjectMetallic nanoparticlesen_US
dc.subjectNanocompositesen_US
dc.subjectNanoscratchen_US
dc.titleMetal (Ag/Ti)-Containing Hydrogenated Amorphous Carbon Nanocomposite Films with Enhanced Nanoscratch Resistance: Hybrid PECVD/PVD System and Microstructural Characteristicsen_US
dc.typeArticleen_US
dc.collaborationCyprus University of Technologyen_US
dc.collaborationUniversity of Ioanninaen_US
dc.collaborationAristotle University of Thessalonikien_US
dc.subject.categoryMaterials Engineeringen_US
dc.journalsOpen Accessen_US
dc.countryCyprusen_US
dc.countryGreeceen_US
dc.subject.fieldEngineering and Technologyen_US
dc.publicationPeer Revieweden_US
dc.identifier.doi10.3390/nano8040209en_US
dc.identifier.pmid29601507-
dc.identifier.scopus2-s2.0-85044737021-
dc.identifier.urlhttps://api.elsevier.com/content/abstract/scopus_id/85044737021-
dc.relation.issue4en_US
dc.relation.volume8en_US
cut.common.academicyear2017-2018en_US
item.openairecristypehttp://purl.org/coar/resource_type/c_6501-
item.openairetypearticle-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.grantfulltextopen-
crisitem.journal.journalissn2079-4991-
crisitem.journal.publisherMDPI-
crisitem.author.deptDepartment of Mechanical Engineering and Materials Science and Engineering-
crisitem.author.deptDepartment of Mechanical Engineering and Materials Science and Engineering-
crisitem.author.deptDepartment of Chemical Engineering-
crisitem.author.deptDepartment of Mechanical Engineering and Materials Science and Engineering-
crisitem.author.deptDepartment of Mechanical Engineering and Materials Science and Engineering-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.facultyFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.orcid0000-0003-4143-0085-
crisitem.author.orcid0000-0003-2771-8891-
crisitem.author.orcid0000-0002-0268-259X-
crisitem.author.orcid0000-0003-1979-5176-
crisitem.author.parentorgFaculty of Engineering and Technology-
crisitem.author.parentorgFaculty of Engineering and Technology-
crisitem.author.parentorgFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.parentorgFaculty of Engineering and Technology-
crisitem.author.parentorgFaculty of Engineering and Technology-
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