CV Lattes
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Ministério da Ciência, Tecnologia e Inovação (Brasil). Instituto Nacional de Pesquisas Espaciais (INPE) (Institutional affiliation from the last research proposal) Birthplace: Brazil
Graduated in Electronic Engineering from the University of Vale do Paraíba (1991), master's degree in Physics from Instituto Tecnológico de Aeronáutica - ITA (1995) and doctorate in Physics from ITA (2004). He joined the National Institute for Space Research (INPE) in 1985 and currently holds the position of Senior Technologist. His experience in Physics has an emphasis on Plasma Physics and Electrical Discharges, acting mainly on the following topics: surface engineering using plasmas and plasmas diagnostics. Special performance and interest in the treatment of metals and metal alloys used in the aerospace sector (AA6xxx, Ti6Al4V, SS304, Nb, Mo, NiTi). He is currently the coordinator of the Ionic Implantation in Plasma area at INPE's Associated Plasma Laboratory (LAP). He is also an effective member of the LAP scientific council and permanent professor of the Postgraduate Course in Space Engineering and Technology - concentration area: Materials and Sensors Science and Technology. He has been the head of LAP since February 2019. (Source: Lattes Curriculum)
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Reentrant niobium cavities playing the role of parametric transducers of the gravitational wave detector Mario Schenberg (MS), in operation at the Astrophysical Division (DAS) of INPE, have been treated by High Temperature nitrogen Plasma Immersion Ion Implantation (HT-PIII). The aim is to enhance the respective electric quality factors (Q-factors), which are closely related with the incr…
Plasma immersion ion implantation (PIII) is a convenient method to treat workpieces with complex surface contours. Structural and chemical modification can be achieved without implying in dimensional variation of treated surfaces. Nevertheless, main drawback is the thin modified layer, of the order of tens to few hundreds of nanometers. In order to overcome this constraint high temperatur…
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