Abstract
Abstract A pressure induced reentrant behaviour of a nematic l iquid crystal was first shown by Cladis1. For cholesteric liquid crystals such behaviour could be observed only at atmospheric pressure3,4,5,6. With one exception7 (reentrant nematic at atmospheric pressure) all systems investigated until now - nematics as well as cholesterics - have at least one compound with a terminal-polar group. In the light reflection measurements up to 3000 bars in a ternary mixture of cholesteryl propionate, -nonanoate and -tetradecanoate reported here, we show that liquid crystals without polar end groups can show a pressure induced reentrant behaviour as well.
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