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Sirius Accelerator

Ion beam analysis

Accelerator-based ion beam analysis (IBA) techniques and capabilities can be applied across a range of investigations. 

This animation illustrates ion beam analysis for a range of sample characterisation methods and capabilities

Some recent research includes monitoring ambient air pollution at sites across Australia and Asia known as the aerosol sampling program (ASP), determining heavy metal pollutants in biological systems, studying the composition of archaeological artifacts and soil specimens, analysing thin films for photovoltaic (solar cell) applications, and probing materials engineering problems such as corrosion and coating delamination. A range of ASP publications is available online.

Techniques

Click on the technique for more information 

Technique Applications Elements Sensitivity Depth resolution Analysis depth
RBS Surface and thin film composition
and thickness.
Li - U Best for heavy elements
on light element substrate
(eg Cu on Si) typical 10%
(Li) - 0.001% (U)
5-20 nm Up to 1 mm
PIXE Trace element composition of
particulates and bulk materials.
Si-U Opimum near Fe (1ppm)
elemental sensitivities
range from 1 - 100ppm
 
Typical proton range
20- 50 microns    
Up to 1 mm
PIGE

Trace element composition of particulates
and bulk materials.

Li-Al

Element dependent, typically
< 1 ppm for F
< 40 ppm for Na
< 40 ppm for Al

  up to 1 mm
NRA Isotopic tracing and profiling in materials,
surfaces and interfaces.
H-Si Element dependent, typically
in range 1 - 100 ppm
5-20 nm up to 1 mm
PESA Hydrogen in polymers, polymer interdiffusion,
hydrogen in solar cells.
H, D > 0.1% 10-20 nm up to 1 mm
ERDA & RToF Elemental composition and structure of near
surface regions. thin films.
H-U > 0.1 %     10-20 nm up to 1 mm
μERDA Elemental mapping and depth profiling
in materials science.
  >0.1 % >50 nm up to 20 μm
μPIXE Trace element mapping in biological,
environmental and geological samples.
Si-U > 100 ppm up to 3 μm  
IBIC Charge collection mapping in electronic
devices and detectors.     
      up to 1 μm

 

Particle Induced X-ray Emission (PIXE)

 

Rutherford Backscattering (RBS) 

 

Particle Induced Gamma Emission (PIGE)

 

Elastic Recoil Detection (ERD & RToF

Partners and collaborators

The IBA facilities are offered to 37 universities through AINSE and members of the group are involved in significant research projects that impact Australia and the wider global community. The IBA has partnerships with several environmental protection agencies, the Australian Coal Association, private industry, the CSIRO and International Atomic Energy Agency in Vienna (IAEA), among others.

Australian and international researchers and industry can request access to IBA facilities through ANSTO's Research Portal for users. 

 

For further information please contact

Prof David Cohen

Prof David Cohen