The electro optic Kerr constant of many new organic solutions comprising of the substituted aromatic carbonyl and nitrile compounds as solutes in nitrobenzene, for various molar concentrations of the solutes has been measured. We found several solutions having Kerr constants greater than that of nitrobenzene. The interactions between the components in these solutions have been established to be dipole-dipole in nature for the first time by conducting experiments and measuring the dipolemoments for solutions of various molar concentrations. The variations of the dipole moment with concentration in many solutions have been found to follow the same trend of variations of Kerr constant with molar concentration.

K Rajagopal

Department Of Civil Engineering

Tetali A. Prasada Rao

Balasubramanian Viswanathan

IIT Madras is a public technical and research university located in Chennai, Tamil Nadu. Founded in 1959, it is recognised as an Institute of National Importance.

IIT Madras has been ranked as the top engineering institute in India for four years in a row by the National Institutional Ranking Framework of the MHRD

It currently offers undergraduate, postgraduate and research degrees across 16 disciplines in Engineering, Sciences, Humanities and Management. About 596 faculty belonging to science and engineering departments and centres of the Institute are engaged in teaching, research and industrial consultancy.

IIT Madras

Kerr Effect of Some New Organic Kerr Solutions

Journal of the Physical Society of Japan

The electro optical Kerr coefficients of binary liquid mixtures, comprising of aprotic-aprotic molecules only, are measured over the temperature range of 286 K to 315 K. To with in experimental errors, the logarithm of Kerr coefficient can be expressed as Van't Hoff type expression to the reciprocal of temperature. Information on the interaction energy between the constituents of the binary mixtures is thereby obtained. It is found that the interaction energy in aromatic ketone-aliphatic nitrile binary mixtures is comparatively higher than in the binary mixtures with aliphatic ketone-aliphatic nitriles, aromatic ketone-aromatic nitrile and aromatic ketone-aliphatic ketones components. This is attributed to the dipole-dipole interaction existing between the components of the binary mixtures.The electro optical Kerr coefficients of binary liquid mixtures, comprising of aprotic-aprotic molecules only, are measured over the temperature range of 286 K to 315 K. To with in experimental errors, the logarithm of Kerr coefficient can be expressed as Van't Hoff type expression to the reciprocal of temperature. Information on the interaction energy between the constituents of the binary mixtures is thereby obtained. It is found that the interaction energy in aromatic ketone-aliphatic nitrile binary mixtures is comparatively higher than in the binary mixtures with aliphatic ketone-aliphatic nitriles, aromatic ketone-aromatic nitrile and aromatic ketone-aliphatic ketones components. This is attributed to the dipole-dipole interaction existing between the components of the binary mixtures.

Journal	Journal of the Physical Society of Japan
Publisher	Physical Society of Japan
ISSN	00319015
Open Access	No