Preliminary X-ray study of the ordering phase transitions in the inclusion compound TANO-hexadecane

Moreover, the description of the nature of these phases must also take into account an extra feature observed on some X-ray powder patterns : the splitting of the ring

In particular a phase coexistence appears in the non virgin sample (Fig. 2a, 2b, 3), whereas the melting process in the virgin sample is associated with the

The results reveal that (1) the S c phase in both compounds is of the CVtype, (2) S c -type order is seen throughout the nematic phase in HxBABA, whereas in NBABA, it is seen only

We have also observed important fluctuations at room tempe- rature, in the form of diffuse spots of wave-vector qo = 0.18 C*, which may be associated with a

- The longitudinal local order in the reentrant nematic depends on the relative proximity respectively of the higher and lower temperature SA phases. In the high

A high resolution X-ray scattering study of the phases and phase transitions in N-(4-n-butyloxybenzylidene)-4-n-heptylaniline

Thus, the residual disorder observed in ORT well below Tc, is assigned to the presence of disordered « twisted » chains ; the coupling of reorientational motions of

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