McLachlan, Leslie Allan2011-08-252022-10-302011-08-252022-10-3019611961https://ir.wgtn.ac.nz/handle/123456789/25822A rapid scanning spectrophotometer has been built and used to measure the thermoluminescent emission spectra of X-ray irradiated alkali halide powders. Part of the emission spectrum was found to involve only lattice defects produced by X-rays. However a large part of the emission was found to be due to contamination which was shown, by comparison with the results of other workers, to be the O-2 molecule-ion.pdfen-NZEmission spectrumText