The Dielectric Properties of Nematic 44′n-pentylcyanobiphenyI

Autor: P. G. Cummins, D. A. Laidler, David A. Dunmur
Rok vydání: 1975
Předmět:
Zdroj: Molecular Crystals and Liquid Crystals. 30:109-123
ISSN: 0026-8941
DOI: 10.1080/15421407508082846
Popis: The electric permittivity of nematic 44′ n-pentylcyanobiphenyl has been measured in the presence of electric and magnetic fields. Values of the permittivity components for the aligned state have been obtained and analysed in terms of the statistical theory of Maier and Meier. The behaviour of bulk samples of the material in electric and magnetic fields has been investigated, and yielded a mean permittivity for the non-aligned state. The macroscopic behaviour is discussed in terms of the continuum theory. Variable frequency measurements have shown the presence of a dispersion region in e∥ at about 5 MHz.
Databáze: OpenAIRE