Caesium Chloride and the F Centre
3 Minute ReadIntroduction The above image is a sample of high purity caesium chloride crystals (CsCl). They are in a sealed glass ampoule and were prepared under high vacuum. At first glance, these appear to be fairly uninteresting plain white crystals, very typical of so many other inorganic and organic salts. But when these crystals are excited […]
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