Pre-transitional effects in a nematic and a polymesomorphic liquid crystal

A. K. George*, A. R.K.L. Padmini

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Measurements of ultrasonic velocity V, specific volume v and adiabatic compressibility Kad are carried out in a monotropic nematic liquid crystal, p-anisal-p-phenetidine (pApP), and a polymesomorphic liquid crystal, p-n-decyloxybenzoyl-p-cresol (DBC) with nematic and smectic A phases. Temperature variation of the order parameter is estimated. The pre-transitional effects observed in v and Kad are discussed on the basis of de Gennes' theory generalized by Bendler, and the critical exponents are estimated.

Original languageEnglish
Pages (from-to)271-274
Number of pages4
Issue number6
Publication statusPublished - Nov 1982
Externally publishedYes


  • liquid crystals
  • pre-transitional effects
  • ultrasonics

ASJC Scopus subject areas

  • Acoustics and Ultrasonics


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