“…The fit is indicated in Although only 50% of the mesogenic units in our system contain the NLO-enhancing nitro group, these values are in the same order as the value of quartz (<Zn = 0.5 pm/V) or as those for nitro-substituted biphenyl chromophores in low molecular weight LC systems. 14 As expected, for the nonannealed sample we obtain much lower values. the mesogens and therefore the optical axis shift and furthermore with increasing temperature the state of order of the liquid crystalline phase decreases.…”
“…The fit is indicated in Although only 50% of the mesogenic units in our system contain the NLO-enhancing nitro group, these values are in the same order as the value of quartz (<Zn = 0.5 pm/V) or as those for nitro-substituted biphenyl chromophores in low molecular weight LC systems. 14 As expected, for the nonannealed sample we obtain much lower values. the mesogens and therefore the optical axis shift and furthermore with increasing temperature the state of order of the liquid crystalline phase decreases.…”
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