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|Title: ||Dielectric studies of Goldstone mode and soft mode in the vicinity of the A-C* transition|
|Authors: ||Khened, S.M.|
Krishna Prasad, S.
|Issue Date: ||1991 |
|Publisher: ||EDP Sciences|
|Citation: ||Journal de Physique II, 1991, Vol.1, p171-180|
|Abstract: ||We report the results of dielectric studies on three ferroelectric liquid crystals exhibiting the A-C $^\star$ transition. Two relaxation modes viz., the soft mode and the Goldstone mode have been observed in the frequency domain covered. Careful measurements have allowed us to observe the soft mode relaxation in the C $^\star$ phase, even in the absence of a bias field, over a larger temperature range than in any previous study. The results are discussed in the light of the predictions of the generalised mean-field model.|
|Description: ||Restricted Access. Please click on the alternative location for the open-access full text.|
|Alternative Location: ||http://dx.doi.org/10.1051/jp2:1991153|
|Copyright: ||(1991) Les Editions de Physique|
|Appears in Collections:||Research Papers (SCM)|
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