In my future experiments, I will need to protect my radiation measurement equipment with thermal insulation layer (about 3cm thick) which has to protect the equipment from min. 2000°C heat, but it has to let all the radiation particles pass through (Alpha, beta, gamma if any). Any suggestion on type of material to use (Alumina ceramic foam, metal foam, other)?
Thanks for the proposal. I completly forgot that type of materials. I will study it and see how it react in an oxidasing environment, if it can still have the same properties as in the argon and doen it let pass trough all the radiations particles.
Ideally you will want a low density and low atomic number material that will minimize interaction with ionizing radiation.
Thanks for all your answers. The problem with the vacuum is the material for the container in which the vacuum will be made of. It has to be a material that let pass through almost all types of radiatioactives emmissions. One possibility as mentionned by Joseph L Alvarez is to stack this material ( http://www.chemat.com/Article/98.html ).
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