| Issue Date | Title | Author(s) | Citation |
1985 | Effect of pressure on strongly polar liquid crystals | Krishna Prasad, S.; Pfeiffer, S.; Heppke, G.; Shashidhar, R. | Zeitschrift fur Naturforschung A, 1985, Vol.40, p632-635 |
Oct-1983 | Effect of smectic ordering on the dielectric properties of reentrant nematic mixtures | Ratna, B.R.; Shashidhar, R.; Bock, M.; Göbl-wunsch, A.; Heppke, G. | Molecular Crystals and Liquid Crystals, 1983, Vol.99, p285-295 |
1-Mar-1988 | Evidence of a first-order smectic-A–smectic-C* transition and its approach to tricritical behavior | Ratna, B.R.; Shashidhar, R.; Nair, Geetha G.; Krishna Prasad, S.; Bahr, Ch.; Heppke, G. | Physical Review A, 1988, Vol.37, 1824 |
1987 | Evidence of continuous evolution of smectic A2 from smectic Ad | Krishna Prasad, S.; Shashidhar, B.R.; Ratna, B.R.; Sadashiva, B.K.; Heppke, G.; Pfeiffer, S. | Liquid Crystals, 1987, Vol.2, p111-116 |
Mar-1985 | Experimental studies on a terminally nitro substituted compound with a latent reentrant nematic phase | Ratna, B.R.; Krishna Prasad, S.; Shashidhar, R.; Heppke, G.; Pfeiffer, S. | Molecular Crystals and Liquid Crystals, 1985, Vol.124, p21-26 |
Jan-1994 | An experimental study of the smectic A-smectic C transitions in monolayer, partially bilayer and bilayer systems | Krishna Prasad, S.; Shankar Rao, D.S.; Raja, V.N.; Chandrasekhar, S.; Heppke, G.; Neubert, M.E. | Molecular Crystals and Liquid Crystals, 1994, Vol.238 , p241-247 |
Oct-1983 | High pressure studies on partially bilayer and monolayer smectics | Krishna Prasad, S.; Shashidhar, R.; Suresh, K.A.; Kalkura, A.N.; Heppke, G.; Hopf, R. | Molecular Crystals and Liquid Crystals, 1983, Vol.99, p185-191 |
1-Aug-1988 | Mean-field to tricritical crossover behavior near the smectic-A-smectic-C* tricritical point | Shashidhar, R.; Ratna, B.R.; Nair, Geetha G.; Krishna Prasad, S.; Bahr, Ch.; Heppke, G. | Physical Review Letters, 1988, Vol.61, 547 |
1-Jan-1988 | New alternative for the smectic-A1-reentrant nematic-smectic-Ad bicritical point | Raja, V.N.; Shashidhar, R.; Ratna, B.R.; Heppke, G.; Bahr, Ch. | Physical Review A, 1988, Vol.37, 303-305 |
15-Apr-1989 | Pressure studies on phase transitions in 4-alkoxyphenyl-4’-nitrobenzoyloxybenzoates | Raja, V.N.; Ratna, B.R.; Shashidhar, R.; Heppke, G.; Bahr, Ch.; Marko, J.F.; Indekeu, J.O.; Nihat, Berker A. | Physical Review A, 1989, Vol.39, 4341 |
1982 | Pre-transitional effects in the electrical conductivity of re-entrant nematogens | Bock, M.; Göbl-wunsch, A.; Heppke, G.; Ratna, B.R.; Shashidhar, R. | Molecular Crystals and Liquid Crystals Letters, 1982, Vol.72, p277-284 |
1985 | Smectic A1 - Smectic Ad transition in binary mixtures of compounds with strongly polar terminal groups | Bahr, Ch.; Heppke, G.; Shashidhar, R. | Zeitschrift fur Naturforschung A, 1985, Vol.40, p1311-1315 |
14-Sep-1987 | Smectic-Ad–smectic-A2 critical point | Shashidhar, R.; Ratna, B.R.; Krishna Prasad, S.; Somasekhara, S.; Heppke, G. | Physical Review Letters, 1987, Vol.59, 1209 |
1989 | A smectic C*-smectic A tricritical point in a mixture of two compounds exhibiting high spontaneous polarization | Heppke, G.; Lotzsch, D.; Shashidhar, R. | Liquid Crystals, 1989, Vol.5, 489 - 493 |
Oct-1983 | Temperature variation of the layer spacing in the smectic A, reentrant nematic and reentrant smectic A phases of 9 OBCAB | Suresh, K.A.; Shashidhar, R.; Heppke, G.; Hopf, R. | Molecular Crystals and Liquid Crystals, 1983, Vol.99, p249-253 |
1985 | X-rary studies on bilayer smectic A (A2) and bilayer smectic C (C2) phases | Shashidhar, R.; Suresh, K.A.; Ratna, B.R.; Krishna Prasad, S.; Bahr, Ch.; Oestreicher, A.; Heppke, G. | Molecular Crystals and Liquid Crystals Letters, 1985, Vol.1, p89-93 |
1990 | X-ray studies near the Ad - A2 critical point in a binary system of successive homologues | Quentel, S.; Heppke, G.; Krishna Prasad, S.; Pfeiffer, S. | Molecular Crystals and Liquid Crystals Letters, 1990, Vol.7, p85-90 |