Luminescence of NaCl—I. Electron and ion beam excited spectra
作者： M. Aguilar , P. J. Chandler , P. D. Townsends
DOI: 10.1080/00337577908234484
关键词: Electron 、 Chemistry 、 Ion 、 Luminescence 、 Ion beam 、 Atomic physics 、 Excited state 、 Range (particle radiation) 、 Crystal 、 Exciton
摘要: Abstract Luminescence from a wide range of NaCl crystals different purity has been excited by electrons and ion beams. Despite the crystal quality there are many similarities between spectra under similar conditions. At both 77 300 K is strong emission near 2.4 eV in all samples but so called “intrinsic π emission” 3.4 sensitive position to source readily suppressed presence imperfections. In energy component features can be detected. These most easily resolved impure samples. The form total irradiation dose, dose rate lifetime-resolved components. reasons for changes briefly discussed terms possible model exciton states which perturbed after diffusion
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