Abstract
Two decoration techniques, solidificationinduced band texture decoration and focal-conic texture decoration, have been established to exhibit the director field of disclinations in a low-molar-mass methacrylate liquid crystal. The disclinations with strengths = 1÷2 ands = ± 1 are observed by the two decoration methods. For the solidificationinduced band texture decoration, the molecular orientation is perpendicular to the direction of the band. While for focalconic texture decoration, it has been proved by the results of IR dichroism that the direction of the director is parallel to the direction of the focal-conic. Therefore, the sketch map of the molecular director filed can be mapped according to the morphological pattern of the solidificationinduced band texture or focal-conic texture.
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