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SAFIIRA: A heavy-ion multi-purpose irradiation facility in Brazil

2020; American Institute of Physics; Volume: 91; Issue: 5 Linguagem: Inglês

10.1063/1.5138644

1527-2400

Vitor A. P. Aguiar, N. H. Medina, N. Added, Eduardo Luiz Augusto Macchione, Saulo G. Alberton, Alisson Rodolfo Leite, Fernando Aguirre, R. V. Ribas, Claudio Perego, Ligia Fagundes, João Carlos Terassi, J.A.P. Brage, R. F. Simões, Otavio Benedito de Morais, Eduardo Alves de Almeida, Pedro Manoel Joaquim, Matheus S. Souza, Alex Fernando Monego Cecotte, Renato Martins, J. G. Duarte, V. Scarduelli, P.R.P. Allegro, R. Escudeiro, E. Leistenschneider, R. A. N. Oliveira, W. A. Servelo, Meiricris Tomaz da Silva, V. E. Sarmento, C. A. Carreira, J C Abreu, Suzeane Cinthia Nunes Silva, Hellen Cristine Santos, C. L. Rodrigues, R.F. Assis, Tiago Fiorini da Silva, M.H. Tabacniks, A. S. Joaquim, J. H. P. Minas, D.A. Kashinsky, M. Guazzelli, L. E. Seixas, Saulo Finco, F. Benevenutti,

Ion-surface interactions and analysis

This work describes the new facility for applied nuclear physics at the University of Sao Paulo, mainly for irradiation of electronic devices. It is a setup composed of a quadrupole doublet for beam focusing/defocusing plus multiple scattering through gold foils to produce low intensity, large-area, and high-uniformity heavy-ion beams from 1H to 107Ag. Beam intensities can be easily adjusted from 102 particles cm2/s to hundreds of nA for an area as large as 2.0 cm2 and uniformity better than 90%. Its irradiation chamber has a high-precision motorized stage, and the system is controlled by a LabViewTM environment, allowing measurement automation. Design considerations and examples of use are presented.