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UL UNIVERSIDADE DE LISBOA

ITN/CFNUL Ion Beam Laboratory. People: Senior Researchers (responsible for activity lines): Eduardo Alves (Head of Lab) Adelaide Pedro de Jesus Luís Cerqueira Alves Miguel Reis Nuno Barradas Rui Coelho da Silva Teresa Pinheiro Ulrich Wahl. UL UNIVERSIDADE DE LISBOA. http://www.itn.pt/.

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UL UNIVERSIDADE DE LISBOA

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  1. ITN/CFNUL Ion Beam Laboratory People: Senior Researchers (responsible for activity lines): Eduardo Alves (Head of Lab) Adelaide Pedro de Jesus Luís Cerqueira Alves Miguel Reis Nuno Barradas Rui Coelho da Silva Teresa Pinheiro Ulrich Wahl ULUNIVERSIDADE DE LISBOA http://www.itn.pt/ CENTRO DE FÍSICA NUCLEAR http://cfnul.cii.fc.ul.pt/ Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  2. ITN/CFNUL Ion Beam Laboratory Van de Graaff  2.5 MV DanFisik Implanter  210 kV General Ionex Cockroft-Walton tandetron  3 MV ULUNIVERSIDADE DE LISBOA CENTRO DE FÍSICA NUCLEAR Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  3. Van de Graaff 2.5 MV, 10 mA (protons); H, He ions ULUNIVERSIDADE DE LISBOA Lines: PIXE/Nuclear Reactions RBS, Chan, ERDA m - probe CENTRO DE FÍSICA NUCLEAR PIXE analysis of environmental, biomedical, material science, geological, art,….. samples Nuclear Reactions for astrophysics Development of a PIGE methodology Advanced Materials: Wide bandgap semiconductors and oxides Nuclear fusion reactor materials and mineralogical samples. Multiple quantum wells and quantum dots. Materials Science Biomedicine Environment Archaeometry and Art Mineralogy Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  4. Oxford Microbeams triplet system with OMDAQ and DAN32 software ULUNIVERSIDADE DE LISBOA CENTRO DE FÍSICA NUCLEAR Spatial Resolution ~100 pA for PIXE and RBS (Res. ~ 34 µm2) ~1 fA transmission work (Res.  1  1 µm2) STIM – Scanning Transmission Ion Microscopy CSTIM – Channeled STIM IBIC – Ion Beam Induced Charge IBIL – Ion Beam Induced Luminescence Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  5. Be as neutron multiplier 9Be(n,2n)2 Li ceramic breeders 6Li(n,)3H Stainless steels Structure SiC composites Advanced Materials for Nuclear Fusion Reactors ULUNIVERSIDADE DE LISBOA CENTRO DE FÍSICA NUCLEAR ITER International Thermonuclear Experimental Reactor Objectives Impurities - generation of long-lived isotopes Chemical reactions Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  6. 530 µm Advanced Materials for Nuclear Fusion Reactors ULUNIVERSIDADE DE LISBOA Titanium Beryllides CENTRO DE FÍSICA NUCLEAR Objectives: Structural characterisation. Oxidation after annealing in air at 800º C. Ti Fe Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  7. 1060 µm Max. Min. ThermoPhotoVoltaic cell Crystal quality Manufacturing Control ULUNIVERSIDADE DE LISBOA CENTRO DE FÍSICA NUCLEAR Sb Ga In Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  8. Fe Cu Pb Zn Ancient stained glass ULUNIVERSIDADE DE LISBOA Glass and paint composition Corrosion studies CENTRO DE FÍSICA NUCLEAR Cross section analysis Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  9. 100 µm 490 µm 500 µm Going on Developments ULUNIVERSIDADE DE LISBOA CENTRO DE FÍSICA NUCLEAR 1 - exit nozzle + 100 nm thick Si3N4 membrane 2 - X-ray detector 3 - RBS detector 4 - microscope 5 - vacuum chamber 1 3.2 mm 2 5 4 1 3 150 mm Horizontal Gaussian FWHM = 70 µm External Microbeam end-station Vertical Gaussian FWHM = 75 µm Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  10. General Ionex Cockroft-Walton tandetron 3MV NEC Alphatros ion source for He beams Negative ion direct-extraction Duoplasmatron ion source for H- beams. HICONEX Cs beam multielement negative ion source ULUNIVERSIDADE DE LISBOA CENTRO DE FÍSICA NUCLEAR Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  11. Tandem new lines of activity Molecular speciation from PIXE spectra ULUNIVERSIDADE DE LISBOA CENTRO DE FÍSICA NUCLEAR Heavy Ion Elastic Recoil Detection analyses (HIERDA) – A ToF system is under construction to profile light ions using either Cl or I beams. 15 eV resolution (Transition Edge Superconductor -TES) detector Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  12. Tandem new lines of activity ULUNIVERSIDADE DE LISBOA CENTRO DE FÍSICA NUCLEAR Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  13. Tandem new lines of activity ULUNIVERSIDADE DE LISBOA CENTRO DE FÍSICA NUCLEAR HICONEX Cs microbeam (30-300 mm) multielement ("AUSTRALIS") negative ion source C Conventional HICONEX Cs beam multielement negative ion source Two beamlines for AMS:A) for 14C dating: 2 off-center Faraday cups for parallel current measurementof 12C3+ and 13C3+, while the 14C3+ detection is by means of an electrostatic analyzer and a gas proportional counter. B) Heavy ion ("AUSTRALIS") beamline: The magnet is able of analyzing 6+ (or higher charge state) ions of all elements up to U at 2.5 MV terminal voltage.Sequential analysis of different isotopes (around +-3% of center mass) in the magnet is possible by means of the "fast bouncing" technique, i.e. by means of electrostatic deflectors which can be switched at >10 ms time intervals Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

  14. Tandem new lines of activity Astrophysics Programme ULUNIVERSIDADE DE LISBOA CENTRO DE FÍSICA NUCLEAR Feasibility Study of AMS for the reaction: 51V(3He, n)53Mn Each case is a new case Particle Gamma Reaction product (AMS) Carbon burning processes (collab with Claus Rolfs) Detection High current ion source Reaction beam line Nupecc Workshpo on Small-Scale Accelerator Faccilities, Crete 7-8 September 2007

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