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Study of Nanoscopic Metallic Bilayers of Pd/Au and Au/Pd on Single-Crystal Silicon

Grant number: 07/07745-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): February 01, 2008
Effective date (End): January 31, 2009
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Physical Metallurgy
Principal researcher:Pedro Augusto de Paula Nascente
Grantee:Aelison Conte Machado
Home Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil


This project deals with the growth and characterization of nanoscopic bilayers of palladium on gold on silicon and gold on palladium on silicon. The Pd and Au films, having a thickness of 10 nm, will be deposited on a buffer layer of Au and Pd, with a thickness of 100 nm, which will be deposited on single-crystal substrates of silicon (100) and (111). The following bilayers will be produced by sputtering: Pd/Au/Si(100), Pd/Au/Si(111), Au/Pd/Si(100), and Au/Pd/Si(111). The main characterization technique to be employed will be X-ray photoelectron spectroscopy (XPS). Other characterization techniques will be also used: atomic force microscopy (AFM) and X-ray diffraction (XRD).

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