Abstract

Electron paramagnetic resonance studies of copper tetramine nitrate, subjected to explosive shock loading and analyzed after recovery, indicate that the Cu(NH3)2+4 complex is completely converted to Cu(NH3)2+2. The same reaction could also be induced by isothermal heating of the material for 1 h at +160 °C. The intrinsic linewidth of the Cu(NH3)2+2 complex in the shocked material was larger by a factor of 3 compared to the linewidth of the spectrum produced by isothermal decomposition. The perpendicular g shift was also slightly different. These differences are attributed to shock-induced defects in the material. When a foil flyer plate electric gun is used to shock CTN, the conversion to Cu(NH3)2+2 was not observed, but evidence of a new spectrum was obtained.

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