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

V A P Aguiar; N H Medina; N Added; E L A Macchione; S G Alberton; A R Leite; F R Aguirre; R V Ribas; C C Perego; L M Fagundes; J C Terassi; J A P Brage; R F Simões; O B Morais; E A Almeida; P M Joaquim; M S Souza; A F M Cecotte; R Martins; J G Duarte; V B Scarduelli; P R P Allegro; R Escudeiro; E Leistenschneider; R A N Oliveira; W A Servelo; M T Silva; V E Sarmento; C A Carreira; J C Abreu; S C Silva; H C Santos; C L Rodrigues; R F Assis; T F Silva; M H Tabacniks; A S Joaquim; J H P Minas; D Kashinsky; M A Guazzelli; L E Seixas Jr; S Finco; F Benevenutti

doi:10.1063/1.5138644

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

Rev Sci Instrum. 2020 May 1;91(5):053301. doi: 10.1063/1.5138644.

Authors

V A P Aguiar¹, N H Medina¹, N Added¹, E L A Macchione¹, S G Alberton¹, A R Leite¹, F R Aguirre¹, R V Ribas¹, C C Perego¹, L M Fagundes¹, J C Terassi¹, J A P Brage¹, R F Simões¹, O B Morais¹, E A Almeida¹, P M Joaquim¹, M S Souza¹, A F M Cecotte¹, R Martins¹, J G Duarte¹, V B Scarduelli¹, P R P Allegro¹, R Escudeiro¹, E Leistenschneider¹, R A N Oliveira¹, W A Servelo¹, M T Silva¹, V E Sarmento¹, C A Carreira¹, J C Abreu¹, S C Silva¹, H C Santos¹, C L Rodrigues¹, R F Assis¹, T F Silva¹, M H Tabacniks¹, A S Joaquim¹, J H P Minas¹, D Kashinsky¹, M A Guazzelli², L E Seixas Jr³, S Finco³, F Benevenutti⁴

Affiliations

¹ Institute of Physics, University of Sao Paulo, 05508-090 São Paulo, Brazil.
² Universitary Center of FEI, 09850-901 São Bernardo do Campo, Brazil.
³ Information Technology Center, 13069-901 Campinas, Brazil.
⁴ Federal University of Rio Grande do Sul, 91509-900 Porto Alegre, Brazil.

PMID: 32486736
DOI: 10.1063/1.5138644

Abstract

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 LabView^TM environment, allowing measurement automation. Design considerations and examples of use are presented.