Interaction of Radiation with Materials Undergoing Phase Transition

A New mode of Energy loss mechanism of charged particles as it propagates through the materials medium at and around its phase transition: The Peaks and valleys of energy loss of charged particles around its phase transition material is a great chaos. Does the atomic polarization electronic polarizability of the material or the thermal spike model can be probed to predict this chaos. Can be used the phase transition materials as efficient Radiation Shield? Does this become a good candidate for space vehicles? Look out....