{"id":51719,"date":"2025-10-14T11:13:49","date_gmt":"2025-10-14T09:13:49","guid":{"rendered":"https:\/\/www.ub.edu\/in2ub\/?p=51719"},"modified":"2025-10-14T13:48:33","modified_gmt":"2025-10-14T11:48:33","slug":"october-23rd-2025-at-12h-in-house-nanostructured-thin-films-deposited-by-plasma-assisted-pvd-techniques","status":"publish","type":"post","link":"https:\/\/www.ub.edu\/in2ub\/october-23rd-2025-at-12h-in-house-nanostructured-thin-films-deposited-by-plasma-assisted-pvd-techniques\/","title":{"rendered":"October 23rd, 2025 at 12h \u2014 In-house: Nanostructured thin films deposited by plasma-assisted PVD techniques"},"content":{"rendered":"

IN\u00b2<\/b>UB In-house Seminar<\/b><\/p>\n

Nanostructured thin films deposited by plasma-assisted PVD techniques <\/b><\/p>\n

By, Dr. Arturo Lousa<\/b>, Applied Physics Dept. UB & IN2UB – MAMFER group<\/a><\/p>\n

Date and Venue: 23rd October, 2025 at 12h, Aula Magna Enric Casassas (Faculties of Physics and Chemistry)<\/p>\n

Abstract<\/strong><\/p>\n

The synthesis of multicomponent\/multilayered superconducting, conducting, semiconducting and insulating thin films has become the subject of an intensive, worldwide, interdisciplinary research effort. The development of deposition-characterization techniques and the science and technology related to the synthesis of these films are critical for the successful evolution of this interdisciplinary field of research and the implementation of the new materials in a whole new generation of advanced microdevices [1]. Over the last two decades\u2019 new nanostructured coatings deposited by plasma-assisted PVD techniques have been investigated in our laboratory as they are a possible advantageous replacement for conventional coatings.<\/p>\n

In this talk I will first introduce the physical basis of the PVD techniques of radiofrequency Magnetron Sputtering and Cathode Arc Deposition, with a particular emphasis on the control of ion bombardment from the plasma on the growing film. Next, I will present the most remarkable results of periodic multilayers in which two different materials (metal\/ceramic and ceramic\/ceramic) alternate with bilayer thickness ranging from the micro-scale (\u2248\u00a0100\u00a0nm) to the nano-scale (\u2248\u00a05\u00a0nm). Finally, I will present the nanocomposite structures found in the Cr\/C system deposited by filtered ion assisted Arc Deposition technique under different deposition conditions. These films show a wide range of Cr\/C composition and film structure, which includes: Cr\/CrC multilayers with nanometric period; nanocomposite consisting of nanocrystalline chromium embedded in an amorphous CrC matrix; nanocrystalline Cr3<\/sub>C2 <\/sub>embedded in an amorphous C matrix and a graded composition film from the substrate to the free surface of the film.<\/p>\n

A deep characterization of the coatings has been carried out, both in terms of their physical, mechanical, tribological and biomedical properties. Among the most relevant results, it is worth highlighting the super-hardness values \u200b\u200b(up to 30\u00a0GPa) [2], the ultra-low friction [3], and the excellent adhesion to the CoCrMo alloy substrates used in human (knee, hip) prosthesis. [4].<\/p>\n[1] Multicomponent and Multilayered Thin Films for Advanced Microtechnologies: Techniques, Fundamentals and Devices. NATO Science Series E: Springer Dordrecht (2012)<\/p>\n

 <\/p>\n[2] Yate G\u00f3mez, L. \u00c1. (Ph.D. 2013). Desarrollo de Nanocompuestos de Base Carbono en Capa Fina por Arco Cat\u00f3dico para Aplicaciones Mec\u00e1nicas y Biom\u00e9dicas. Universitat de Barcelona. https:\/\/www.tesisenred.net\/handle\/10803\/123437<\/p>\n

 <\/p>\n[3] L. Yate, L. Mart\u00ednez-de-Olcoz, J. Esteve, A. Lousa, \u201cUltra low nanowear in novel chromium\/amorphous chromium carbide nanocomposite films\u201d. Applied Surface Science 420 pp.707\u2013713 October 2017.<\/p>\n

 <\/p>\n[4] J. Orrit-Prat, R. Bonet, E. Rup\u00e9rez, M. Punset, M. Ortiz-Hernandez , J. Guillem-Marti, A. Lousa, D. Cano, C. D\u00edaz, G. Garc\u00eda-Fuentes, J. Caro, \u201cBactericidal silver-doped DLC coatings obtained by pulsed filtered cathodic arc co-deposition\u201d, Surface & Coatings Technology 411 (2021) 126977.<\/p>\n

 <\/p>\n

About the Author<\/strong><\/p>\n

Arturo Lousa Rodr\u00edguez is Professor (Profesor Titular de Universidad) in the Department of Applied Physics of the Universitat de Barcelona.<\/p>\n

Education<\/p>\n

1973-1978 B.Sc. (Licenciatura) (Physics), University of Barcelona, Barcelona, (SPAIN)<\/p>\n

1987 Ph.D. (Physics), University of Barcelona, Barcelona, (SPAIN)<\/p>\n

Employment<\/p>\n

1980 \u2013 1987: Assistant Professor, University of Barcelona, Barcelona, (SPAIN)<\/p>\n

1987 \u2013 2026: Professor, University of Barcelona, Barcelona, (SPAIN)<\/p>\n

Membership of Professional Societies<\/p>\n

Member of the Spanish Association of Vacuum and Applications (ASEVA).<\/p>\n

Member, Spanish Society of Materials (SOCIEMAT).<\/p>\n

Member and Delegate of International Union for Vacuum Science (IUVS). Electronic Materials and Processing.<\/p>\n

Publications<\/p>\n

70 total, Total citations received (Without self citations):\u00a0 >\u00a01000, Hirsch index: 23<\/p>\n

Arturo Lousa was one of the young researchers who, around 1980, contributed to the launch of the Thin Film Laboratory at the University of Barcelona under the direction of Drs. Jos\u00e9p Lluis Morenza and Joan Esteve. His teaching work has focused on all levels of electromagnetism. His research initially involved the PVD techniques of thermal evaporation and electron gun evaporation, later focusing on radiofrequency magnetron sputtering and filtered cathode arc techniques, with important original designs for controlling ion bombardment from the plasma onto the growing film. Among the deposited materials, the production of pure crystalline phases of cubic BN, Cr3<\/sub>C2<\/sub>, and Cr2<\/sub>N stands out. In addition, various nanometer-period multilayers were obtained for magnetic, optical, and mechanical applications. Several of these contributions have led to technology transfer to coatings companies in Catalonia, Valencia and the Basque Country.<\/p>\n","protected":false},"excerpt":{"rendered":"

IN\u00b2UB In-house Seminar Nanostructured thin films deposited by plasma-assisted PVD techniques By, Dr. Arturo Lousa, Applied Physics Dept. UB & IN2UB – MAMFER group Date and Venue: 23rd October, 2025 at 12h, Aula Magna Enric Casassas (Faculties of Physics and Chemistry) Abstract The synthesis of multicomponent\/multilayered superconducting, conducting, semiconducting and insulating thin films has become…<\/p>\n","protected":false},"author":2,"featured_media":51731,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,1],"tags":[],"yoast_head":"\nOctober 23rd, 2025 at 12h \u2014 In-house: Nanostructured thin films deposited by plasma-assisted PVD techniques - IN\u00b2UB<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ub.edu\/in2ub\/october-23rd-2025-at-12h-in-house-nanostructured-thin-films-deposited-by-plasma-assisted-pvd-techniques\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"October 23rd, 2025 at 12h \u2014 In-house: Nanostructured thin films deposited by plasma-assisted PVD techniques - IN\u00b2UB\" \/>\n<meta property=\"og:description\" content=\"IN\u00b2UB In-house Seminar Nanostructured thin films deposited by plasma-assisted PVD techniques By, Dr. Arturo Lousa, Applied Physics Dept. 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