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Critical point phenomena in the electrical resistivity of binary liquid systems: CS2 + CH3CN and CS2 + CH3NO2

  • Statistical Physics
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Abstract

Electrical resistance measurements are reported on the binary liquid mixtures CS2 + CH3CN and CS2 + CH3NO2 with special reference to the critical region. Impurity conduction seems to be the dominant mechanism for charge transport. For the liquid mixture filled at the critical composition, the resistance of the system aboveT c follows the relationR=R c−A(T−T c)b withb=0·6±0·1. BelowT c the conductivities of the two phases obey a relation σ2−σ1=B(T c−T)β with β=0·34±0·02, the exponent of the transport coefficient being the same as the exponent of the order parameter, an equilibrium property.

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Authors and Affiliations

  1. Department of Physics, Indian Institute of Science, 560012, Bangalore

    E S R Gopal, M V Lele, J Ramakrishnan, P Chandra Sekhar & S V Subramanyam

  2. Central Instruments and Services Laboratory, Indian Institute of Science, 560012, Bangalore

    M V Lele

Authors
  1. E S R Gopal
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  2. M V Lele
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  3. J Ramakrishnan
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  4. P Chandra Sekhar
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  5. S V Subramanyam
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Gopal, E.S.R., Lele, M.V., Ramakrishnan, J. et al. Critical point phenomena in the electrical resistivity of binary liquid systems: CS2 + CH3CN and CS2 + CH3NO2 . Pramana - J Phys 7, 266–276 (1976). https://doi.org/10.1007/BF02846488

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  • DOI: https://doi.org/10.1007/BF02846488

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