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Research and development of new materials of interest in nanotechnology: applications in (micro-) electronics and metal-mechanics industries


The aim of the project is the experimental and theoretical study of the fundamental electronic, optical, structural, and mechanical properties of new, micro and/or nanostructured materials, for electronic applications as well as promotes their use in technological applications. The materials will be obtained by Dual Ion Beam Assisted Deposition, Chemical Vapor Deposition, Sputtering, Arc Discharge, Laser Evaporation, and Pulsed Plasma. Materials like SiC, TiN, a-Ge and a-Si doped with rare earth, hard coatings, and metal alloys treated by nitrogen implantation. These goals are intimately linked to the scientific tradition of our research group and with the current graduate student programs at both the Instituto de Física "Gleb Wataghin" and the Instituto de Física da Universidade de São Paulo (São Paulo e Sao Carlos). Therefore, the training of student at the three levels, i.e., scientific training for under-graduate students, Master and PhD students, is of fundamental importance to the proposal. To reach these goals, we shall take advantage of our past experience and the existence of modem experimental facilities such as photoemission electron spectroscopy (XPS, UPS), X-ray diffraction, visible and infra-red optical absorption, nano-hardness, electron microscopy (TEM and SEM), field emission, Ramal1, and others. The project also considers the upgrading and renewing some experimental facilities. We shall continue the studies of materials such as diamond like (amorphous) carbon DLC, CNx, SiCx, SiNx, TiN, AIN, etc. related to their structural, electronic, optical, and mechanical properties. A theoretical effort to understand the structural properties will be done based on modem quantum chemical techniques and compared with the experimental results. Experimental conditions leading to the improvement of the properties of the studied materials will be pursued. Finally, a strong interaction with the local industry will be a priority of the project with the purpose of technological transference. (AU)

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Scientific publications (11)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MOTTA, EDISON F.; VIANA, GUSTAVO A.; SILVA, DOUGLAS S.; CORTES, ANDRESA D. S.; FREIRE, JR., FERNANDO L.; MARQUES, FRANCISCO C.. Structural, surface, and thermomechanical properties of intrinsic and argon implanted tetrahedral amorphous carbon. JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A, v. 31, n. 2, . (05/53926-1)
OCHOA‚ EA; WISNIVESKY‚ D.; MINEA‚ T.; GANCIU‚ M.; TAUZIEDE‚ C.; CHAPON‚ P.; ALVAREZ‚ F.. Microstructure and properties of the compound layer obtained by pulsed plasma nitriding in steel gears. SURFACE & COATINGS TECHNOLOGY, v. 203, n. 10, p. 1457-1461, . (05/53926-1)
ACUNA, J. J. S.; ESCOBAR, M.; GOYANES, S. N.; CANDAL, R. J.; ZANATTA, A. R.; ALVAREZ, F.. Effect of O-2(+), H-2(+) + O-2(+), and N-2(+) + O-2(+) ion-beam irradiation on the field emission properties of carbon nanotubes. Journal of Applied Physics, v. 109, n. 11, . (05/53926-1)
BASSO, R. L. O.; CANDAL, R. J.; FIGUEROA, C. A.; WISNIVESKY, D.; ALVAREZ, F.. Influence of microstructure on the corrosion behavior of nitrocarburized AISI H13 tool steel obtained by pulsed DC plasma. SURFACE & COATINGS TECHNOLOGY, v. 203, n. 10-11, p. 1293-1297, . (05/53926-1)
MORALES, M.; CUCATTI, S.; ACUNA, J. J. S.; ZAGONEL, L. F.; ANTONIN, O.; HUGON, M. C.; MARSOT, N.; BOUCHET-FABRE, B.; MINEA, T.; ALVAREZ, F.. Influence of the structure and composition of titanium nitride substrates on carbon nanotubes grown by chemical vapour deposition. JOURNAL OF PHYSICS D-APPLIED PHYSICS, v. 46, n. 15, . (05/53926-1)
ZAGONEL, L. F.; BETTINI, J.; BASSO, R. L. O.; PAREDEZ, P.; PINTO, H.; LEPIENSKI, C. M.; ALVAREZ, F.. Nanosized precipitates in H13 tool steel low temperature plasma nitriding. SURFACE & COATINGS TECHNOLOGY, v. 207, p. 72-78, . (05/53926-1)
SHORT‚ KT; ZHANG‚ Z.; FINNIE‚ K.; COLLINS‚ GA; FIGUEROA‚ CA. A new duplex process for corrosion protection by PI3. Materials Letters, v. 62, n. 17, p. 3156-3158, . (05/53926-1, 04/01977-9, 00/09334-9)
PAREDEZ, P.; MALA DA COSTA, M. E. H.; ZAGONEL, L. F.; RIBEIRO, C. T. M.; ALVAREZ, F.. Growth of nitrogenated fullerene-like carbon on Ni islands by ion beam sputtering. Carbon, v. 45, n. 13, p. 2678-2684, . (05/53926-1)
ACUNA, J. J. S.; MARCHI, M. C.; ALVAREZ, F.. Nickel nanoparticles decoration of ordered mesoporous silica thin films for carbon nanotubes growth. Thin Solid Films, v. 519, n. 1, p. 214-217, . (05/53926-1)
DROPPA, JR., R.; PINTO, H. C.; GARCIA, J.; OCHOA, E. A.; MORALES, M.; CUCATTI, S.; ALVAREZ, F.. Influence of ion-beam bombardment on the physical properties of 100Cr6 steel. Materials Chemistry and Physics, v. 147, n. 1-2, p. 105-112, . (05/53926-1)

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