Abstract
Very thin samples of CdCl2 type crystals can be produced by stripping with sellotape. This allows the Eu infrared active mode to be observed by infrared absorption at a frequency of 111.5+or-0.5 cm-1 for CdBr2 at liquid air temperatures. This assignment of the Eu infrared mode for CdBr2 is in disagreement with the earlier assignment of Lockwood (1973).
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