DEFECT STRUCTURE OF IONIC MATERIALS BY ELECTRON PARAMAGNETIC RESONANCE AND NUCLEAR MAGNETIC RESONANCE.
Final scientific rept.,
FRANKLIN INST RESEARCH LABS PHILADELPHIA PA
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Electron spin resonance techniques were used on two systems yttria and thoria which thermoluminescence under U.V. irradiation. In the case of a very pure ThO2 crystal, it was possible to identify the electron and hole traps which empty or fill in a particular temperature and give rise to the thermoluminescence. Possible thermoluminescent centers are discussed. Author