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Laboratory for ion beam interactions

The group operates the accelerator center consisting of two tandem accelerators and associated experimental beam lines, this being the largest and most complex experimental facility in Croatia. 

Laboratory for ion beam interactions

LIBI group performs basic and interdisciplinary research concerning interactions of ion beams with matter, and develops methods to characterize and modify properties of matter, with emphasis on nanostructure research. Part of the activities are connected to applications of analysis methods in biomedicine, environment as well as on research of cultural heritage objects. 

List of available ion beam techniques, categorized per experimental end-stations:

PIXE/RBS station:
Particle-induced X-ray emission or proton-induced X-ray emission (PIXE)
Rutherford Backscattering (RBS)

ToF-ERDA station:
Elastic Recoil Detection Analysis (ERDA)
Time-of-flight Elastic Recoil Detection Analysis (ToF-ERDA)

Ion beam channelling station:
RBS channelling (RBS/c)
PIXE channelling (PIXE/c)

In-air station:
In-air PIXE and X-ray Fluorescence (XRF)

Capillary station:
Capillary MeV Time-of-Flight Secondary Ion Mass Spectrometry (MeV TOF-SIMS)

DiFU station (Dual beam irradiation for FUsion materials):
Dual beam irradiation

Dual microprobe station:
Dual ion microbeam focusing (under development)

Ion microprobe station:
PIXE, ERDA, RBS, Nuclear reaction analysis (NRA), Particle-induced Gamma-ray emission (PIGE), coincidence scattering, Ion beam induced luminescence (IL), Secondary Ion Mass Spectrometry with MeV ions (MeV-SIMS), Secondary electrons (SEI), Scanning transmission ion microscopy (STIM), Ion beam induced charge (IBIC), Materials modification.

  • We also have a video demonstration representing some of the experiments and techniques typically done in our facility, recorded as a part of the IAEA workshop for ion beam analysis.
  • Also take a look at our video demonstrating the use of accelerators and the production of ion beams.

Since 2011 and within the EU FP7 project SPIRIT, RBI accelerator facility became also a Trans National Access (TNA) provider. Within the TNA scheme, scientists from EU and associated states can apply for the beam time at any of the beam lines dedicated to ion beam analysis and materials modification.

Currently, access to the facility’s equipment is provided to the foreign researchers in the framework of the two Horizon 2020 projects, AIDA-2020 for testing high-energy physics radiation detectors by ion microbeams and RADIATE for giving access to the most developed techniques for materials analysis and modification based on ion beams to the researchers from the academia and industry. Also, since 2017, RBI-AF is a member of a regional research infrastructure network CERIC-ERIC. We provide about 3000 hours of beam time per year. The international collaboration increased its share in the total beam time from 14% in 2007 to almost 40% in 2017.

Accelerator facility and the earthquake

On the link above you can find information about the effect of the earthquake that hit Zagreb on the 22nd of March 2020, on the RBI accelerator facility.

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