Phys. Rev. Lett. 61, 1851–1854 (1988)Orientational Distribution Function in Nematic Tobacco-Mosaic-Virus Liquid Crystals Measured by X-Ray DiffractionReceived 6 July 1988; published in the issue dated 17 October 1988 Orientational distributions of the rod-shaped tobacco-mosaic-virus particle in magnetically aligned nematic solutions (0.05M borate buffer, pH 8.5) were measured by analysis of the angular spread of x-ray diffraction patterns. We measured Gaussian orientational distributions with order parameters varying between 0.77 in a solution with coexisting nematic and isotropic phase, to 0.95 in the single-phase nematic solution at higher concentration. Our experimental results are in good agreement with model calculations based on a modified Onsager theory for suspensions of hard rods. © 1988 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.61.1851
DOI:
10.1103/PhysRevLett.61.1851
PACS:
61.30.Gd, 61.10.-i, 61.30.Eb, 64.70.Md
See AlsoComment: Moshe Deutsch, X-Ray Determination of the Orientational Distribution Function of Rod-Shaped Particles, Phys. Rev. Lett. 64, 697 (1990). |
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