Density Measurements in cholesteryl Myristate

作者: D. Demus , H. G. Hahn , F. Kuschel

DOI: 10.1080/00268947808084968

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摘要: Abstract The densities of cholesteryl myristate were measured in the smectic, cholesteric, blue and isotropic phase. At transitions smectic/cholesteric bluelisotropic within temperature interval 0.01 to 0.02°K discontinuities density curves occured. which indicate phase first order. transition cholesteric/blue only a change expansion coefficients was observed. points second Die Dichten von Cholesterylmyristinat wurden der smektischen, cholesterinischen, blauen und isotropen Phase gemessen. An den Umwandlungen smektisch/cholesterinisch blau/isotrop treten innerhalb eines Temperdturintervah 0,O1 bis Diskontinuitaten Dichtekurven auf. welche Phasenumwandlungen 1. Ordnung anzeigen. Umwandlung cholesterinisch/blau ist nur eine anderung Ausdehnungskoeffizienten vorhanden, auf Phasenumwandlung 2. hinweist.

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