a.lagoyannis i.n.p.p. ncsr “demokritos” nuclear physics applications at the institute of nuclear...
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A. LagoyannisI.N.P.P. NCSR “Demokritos”
Nuclear Physics Applications at the
Institute ofNuclear and Particle Physics
A. LagoyannisInstitute of Nuclear and Particle Physics
NCSR “Demokritos”, Greece
A. LagoyannisI.N.P.P. NCSR “Demokritos”
Applications @ I.N.P.P.
Research: EBS / NRA cross section
measurements PIGE cross section
measurements R & D on techniques
Services:
Ion Beam Techniques
XRF Laboratory
Neutron & Charged Particle
Irradiations
A. LagoyannisI.N.P.P. NCSR “Demokritos”
EBS - NRA Cross Section Measurements
Motor driven goniometerGreat angular accuracy (0.01 deg.)Up to 4 targetsWater cooling available
A. LagoyannisI.N.P.P. NCSR “Demokritos”
PIGE Cross Section Measurements
32S(p,p’γ) 32S Εγ = 2230 keV
10B(p,αγ) 7Be Εγ = 429 keV
A. LagoyannisI.N.P.P. NCSR “Demokritos”
Ion Beam Analysis Tools
Motor driven goniometerSuitable for channeling studies4 – axis target movement Place for PIGE detector
Surface barrier detector at backward angles
Beam Chopper
Rutherford Backscattering SpectroscopyElastic Backscattering SpectroscopyNuclear Reaction AnalysisProton Induced Gamma – ray EmissionChanneling Studies
A. LagoyannisI.N.P.P. NCSR “Demokritos”
Ion Beam Analysis Examples
Geological Lead interaction with gypsum
Material Science NiO Thin film formation
Cultural HeritageCorrosion studies
Co/Nb/Co trilayers
A. LagoyannisI.N.P.P. NCSR “Demokritos”
External Beam
A. LagoyannisI.N.P.P. NCSR “Demokritos”
Micro Beam Setup
Chamber’s features: Load – lock chamber 3 – axis motorized sample holder Rotatable target holder Heating / Cooling Long range microscope for precision CCD camera for sample Monitoring
Detectors: PIXE low energy Si(Li) detector at 45o
PIGE HPGe detector at 45o
STIM detector at 0o
RBS SSB detector at 170o
NRA SSB detector at 150o
A. LagoyannisI.N.P.P. NCSR “Demokritos”
Upgrading of the microbeam in order to deliver ~ 50 um external beamoptics calculations already performed
external probe exists (needs modification)large samples motorized holder exists
External Micro Beam Setup
A. LagoyannisI.N.P.P. NCSR “Demokritos”
XRF Laboratory
Milli - XRF Spectrometer
Micro - XRF Spectrometer
E5 Integrated XRF Spectrometer
Applications: Cultural Heritage (artefacts, …) Environment (air filters, …) Material Science (thin films, …) Technological (solar cells, …)
A. LagoyannisI.N.P.P. NCSR “Demokritos”
Mirror Coins Armor
XRF Examples
A. LagoyannisI.N.P.P. NCSR “Demokritos”
In Situ XRF Measurements
Portable XRF Spectrometer
Applications: Cultural Heritage Archeological Sites Museums (in Greece
& abroad)
A. LagoyannisI.N.P.P. NCSR “Demokritos”
Neutron Irradiation Setup
ReactionNeutron Energy(MeV)
Flux (n/sec/cm2)
7Li(p,n)7Be 0.12 – 0.65 ≈ 105
d(d,n)3He 3.9 – 11.5 ≈ 106
t(d,n)4He 16.4 – 25.7 ≈ 105
Gas cell
Irradiation of electronic devices(Memory modules, ESA related devices,
…)