List of Publications
1. Supramolecular Helical Fluid Columns from Self-Assembly of Homomeric Dipeptides, C. V. Yelamaggad, G. Shanker, R. V. Ramana Rao, D. S. Shankar Rao, S. Krishna Prasad, V. V. Suresh Babu, Chem. Eur. J., 14, 10462 (2008)
2. Pretransitional behaviour in the vicinityof the isotropic–nematic transition of strongly polar compounds, S Sridevi, S Krishna Prasad, D S Shankar Rao and C V Yelamaggad, J. Phys.: Condens. Matter, 20, 465106 (2008).
3. Electric-Field-Assisted Acceleration of the Photostimulated Nematic - Isotropic Transition, S. Krishna Prasad, Geetha G. Nair, V. Jayalakshmi, Adv. Mater. 20, 1363 (2008).
4. Effect of the C-2 hydroxyl group on the mesomorphism of alkyl glycosides: synthesis and thermotropic behavior of alkyl 2-deoxy-d-arabino-hexopyranosides, M. K. Singh, N. Jayaraman, D.S. Shankar Rao, S. Krishna Prasad, Chemistry and Physics of Lipids, 155, 90 (2008).
5. Cholesterol-based nonsymmetric liquid crystal dimers: an overview, C. V. Yelamaggad, G. Shanker, Uma S. Hiremath and S. Krishna Prasad, J. Mater. Chem., 18, 2927 (2008)
6. Optically biaxial interdigitated smectic A phase: liquid crystalline dimeric bidentate ligands and their metal complexes, C. V. Yelamaggad, I.S. Shashikala, V. Padmini Tamilenthi, D. S. Shankar Rao, Geetha G. Nair and S. Krishna Prasad, J. Mater. Chem., 18, 2096 (2008). [Front Cover]
7. Manifestation of Chiral Smectic C Phase in Diphenylbutadiene Cored Bolaamphiphilic Sugars, Suresh Das, N. Gopinathan, S. Abraham, N. Jayaraman, M. K. Singh, S. Krishna Prasad, D. S. Shankar Rao, Adv. Func. Mater. 18, 1632 (2008).
8. Synthesis and mesogenic properties of β-tetrabrominated tetraalkyloxyporphyrins, P. Bhyrappa, C. Arunkumar, Babu Varghese, D. S. Shankar Rao and S. Krishna Prasad, Journal of Porphyrins and Phthalocyanines, 12, 54 (2008)
9. Effect of aerosil dispersions on the photoinduced nematic–isotropic transition, V Jayalakshmi, Geetha G Nair and S Krishna Prasad, J. Phys.: Condens. Matter, 19, 226213 (2007)
10. Evidence of Wormlike Micellar Behavior in Chromonic Liquid Crystals: Rheological, X-ray, and Dielectric Studies, S. Krishna Prasad, Geetha G. Nair, Gurumurthy Hegde and V. Jayalakshmi, J. Phys. Chem. B 111, 9741 (2007).
11. Dependence of the thermal back relaxation time kinetics on the order parameter excess between the equilibrium and photo-stimulated states, V. Jayalakshmi, Geetha G. Nair and S. Krishna Prasad, Phys. Rev. E. 75, 031710 (2007)
12. Non-equilibrium liquid crystalline layered phase stabilized by light, S. Krishna Prasad, Geetha G. Nair and Gurumurthy Hegde, J. Phys. Chem. 111, 345 (2007).
13. Studies of the mesomorphic behavior of bivalent carbohydrate amphiphiles, N. Jayaraman, M. K. Singh, D. S. Shankar Rao and S. Krishna Prasad, J. Mater. Chem., 17, 2228 (2007).
14. Frustrated Liquid Crystals: Synthesis and Mesomorphic Behavior of Unsymmetrical Dimers Possessing Chiral and Fluorescent Entities, C. V. Yelamaggad, N. L. Bonde, A.S. Achalkumar, D. S. Shankar Rao, S. Krishna Prasad, and A. K. Prajapati, Chem. Mater. 19, 2463 (2007)
15. Monodispersive Linear Supermolecules Stabilizing Unusual Fluid Layered Phases, C.V.Yelamaggad, A.S. Achalkumar, D.S Shankar Rao and S.Krishna Prasad, Organic Letters, 14, 2641 (2007)
16. Liquid crystal dimers possessing chiral rod-like anisometric segments: synthesis, characterization and electro-optic behaviour, C.V.Yelamaggad, I.S.Shashikala, U.S. Hiremath, D.S Shankar Rao and S.Krishna Prasad, Liq. Cryst., 34, 153(2007).
17. Dielectric studies under high pressure on strongly polar liquid crystals exhibiting monolayer smectic A phase, K.L. Sandhya, D.S. Shankar Rao, S. Krishna Prasad, U.S. Hiremath, C.V. Yelamaggad, Thermochimica Acta, 452, 65 (2007).
18. Blue Phase, Smectic Fluids, and Unprecedented Sequences in Liquid Crystal Dimers, C. V. Yelamaggad, I.S. Shashikala, G. Liao, D. S. Shankar Rao, S. Krishna Prasad, Q. Li and A. Jakli, Chem. Mater., 18, 6100 (2006).
19. The biaxial smectic (SmAb) phase in nonsymmetric liquid crystal dimers comprising two rodlike anisometric segments: an unusual behavior, C. V. Yelamaggad, I.S. Shashikala, D. S. Shankar Rao, Geetha G. Nair and S. Krishna Prasad, J. Mater. Chem. 16, 4099 (2006).
20. Investigations of the Opto-dielectric Effects in the Vicinity of the Smectic-A–Smectic-CA* Transition, Geetha G. Nair, Gurumurthy Hegde, S.Krishna Prasad and Y.S. Negi, J. Phys: Condensed Matter 18, 9415 (2006).
21. Electrical conductivity and dielectric constant measurements of liquid crystal-gold nanoparticles composites, S. Krishna Prasad, K.L. Sandhya, Geetha G. Nair, Uma S. Hiremath,C.V. Yelamaggad and S. Sampath, Liquid Crystals, 33, 1121 (2006).
22. Fluorine containing nonsymmetrical five-ring achiral banana-shaped compounds with columnar and synclinic antiferroelectric layered phases, C.V. Yelamaggad, I.S. Shashikala, Uma S. Hiremath, G. Liao, A. Jakli, D. S. Shankar Rao S.Krishna Prasad, Soft Matter, 2, 785 (2006)
23. Photoinduced effects in the vicinity of the smectic-A-smectic-CA * transition: Polarization, tilt angle, and response time studies, Geetha G. Nair, Gurumurthy Hegde, S. Krishna Prasad, Chethan V. Lobo, and Y. S. Negi, Phys. Rev. E, 73, 011702 (2006)
24. First liquid crystalline cuneane‐caged derivatives: a structure–property relationship study, Gyula Bényei, István Jalsovszky, Dietrich Demus, Krishna Prasad, Shankar Rao, Anikó Vajda, Antal Jákli, Katalin Fodor‐Csorba , Liquid Crystals, 33, 689 (2006)
25. Ferroelectricity of a bent-core material with cholesteryl terminal chain, G. Liao, I. Shashikala, C. V. Yelamaggad, D. S. Shankar Rao, S. Krishna Prasad, and A. J. Jákli, Phys. Rev. E, 73, 051701 (2006)
26. Experimental investigations on weakly polar liquid crystal-aerosil composites, Chethan V. Lobo, S. Krishna Prasad and C.V. Yelamaggad, J. Phys.: Condens. Matter. 18, 767 (2006).
27. High pressure investigations of the photo-stimulated orientational ordering transition in a liquid crystal with photoactive dimeric molecules, Vivek Gupta, D.S. Shankar Rao, Chethan V. Lobo, S. Krishna Prasad, Uma S. Hiremath and C.V. Yelamaggad, Thermochimica Acta, 440, 205-211 (2006).
28. Intercalated Smectic A Phases in Banana-Shaped Liquid Crystals with Carbonate End Groups, K.Fodor-Csorba, A Jakli, A.Vajda, S. Krishna Prasad, Doddamane S. Shankar Rao, R.Y. Dong, Jiadi Xu, and Giancarlo Galli, ChemPhysChem, 7, 2184 (2006).
29. Novel liquid crystalline cuneane-caged derivatives: Structure property relationship study, Gyula Bényei, István Jalsovszky, Aniko Vajda, Antal Jákli, Dietrich Demus, Shankar Rao, Krishna Prasad, Katalin Fodor-Csorba, e-LC, December 2005
30. Observation of a Chiral Smectic Phase in Azobenzene-Linked Bolaamphiphiles Containing Free Sugars, S. Abraham, S. Paul, G. Narayan, S. Krishna Prasad, D. S. S. Rao, N. Jayaraman, S. Das, Adv. Func. Mater., 15, 1579 (2005). [Inside Cover]
31. Photoinduced effects in nematic liquid crystals, S. Krishna prasad, Geetha G. Nair, Gurumurthy Hegde, K. L. Sandhya, D. S. Shankar Rao, Chethan V. Lobo, C. V. Yelamaggad, Phase Transitions, 78, 443 (2005).
32. Dynamic self-assembly of the liquid crystalline smectic A phase, S. Krishna Prasad, Geetha G. Nair and Gurumurthy Hegde, Adv. Mater. 17, 2086 (2005)
33. Effect of pressure on the dynamics of the photo-stimulated orientational ordering transition in a liquid crystal, S. Krishna Prasad, Vivek Kumar Gupta, D.S. Shankar Rao and Chethan V. Lobo, Phys. Rev. E, 72, 021705 (2005)
34. A photodriven dual-frequency addressable optical device, Gurumurthy Hegde, Geetha G. Nair, S. Krishna Prasad, and C. V. Yelamaggad, J. Appl. Phys. 97, 093105 (2005)
35. Self-assembly of chiral mesoionic heterocycles into smectic phases: a new class of polar liquid crystal, C. V. Yelamaggad, M. Mathews, U.S. Hiremath, D. S. Shankar Rao and S. Krishna Prasad, Tetrahedron Letters, 46, 2623 (2005).
36. Self-organization of mesomeric–ionic hybrid heterocycles into liquid crystal phases: a new class of polar mesogens, C.V. Yelamaggad, M.Mathews, U.S. Hiremath, D.S. Shankar Rao and S.Krishna Prasad, Chem. Comm., 1552 (2005)
37. X-ray and dielectric measurements of the smectic A – hexatic B transition in bulk and confined geometries, Chethan V.Lobo, S.Krishna Prasad and D.S.Shankar Rao, Phys. Rev. E., 69, 051706 (2004).
38. Polymer network for control of photoconductivity of a liquid crystal semiconductor, S. Krishna Prasad, Geetha G. Nair, Gurumurthy Hegde, Uma S. Hiremath and C.V. Yelamaggad, Liq.Cryst., 31, 1265 (2004).
39. A Low-Molar-Mass, Monodispersive, Bent-Rod Dimer Exhibiting Biaxial Nematic and Smectic A Phases, C.V. Yelamaggad, S.Krishna Prasad, Geetha G. Nair, I.Shashikala, D.S. Shankar Rao, C. V. Lobo, S. Chandrasekhar, Angew. Chemie Int. Ed., 43, 3429 (2004).
40. Self-assembly of C3h and C2 symmetric keto-enamine forms of tris(n-salicylideneanilines) into columnar phases: a new family of discotic liquid crystals, C. V. Yelamaggad, A.S. Achalkumar, D.S. Shankar Rao and S. Krishna Prasad, J. Am. Chem. Soc. Commun., 126, 6506 (2004).
41. Influence of a long-chain alkane on the photoinduced nematic-isotropic transition, Geetha G. Nair, S. Krishna Prasad and Gurumurthy Hegde, Phys. Rev. E., 69, 021708 (2004).
42. Photoinduced phase transitions in liquid crystalline systems , S. Krishna Prasad, Geetha G. Nair, K.L. Sandhya and D.S. Shankar Rao, Curr. Sci., 86, 815 (2004).
43. Bent-core V-shaped mesogens consisting of salicylaldimine mesogenic segments: synthesis and characterization of mesomorphic behaviour, C.V.Yelamaggad, I.Shashikala, D.S.S.Rao and S. Krishna Prasad, Liq. Cryst., 31, 1027 (2004).
44. Wide viewing and fast responding TN LCD, S. Chandrasekhar, V.N.Raja, S.Krishna Prasad and D.S.Shankar Rao, Mol. Cryst. Liq.Cryst., 410, 359 (2004).
45. Effect of pressure on liquid crystalline dimers, K.L.Sandhya, D.S. Shankar Rao, S. Krishna Prasad, Uma S. Hiremath and C.V. Yelamaggad, Liq.Cryst., 30, 1351 (2003).
46. Phase behaviour of thermotropic banana-shaped compounds under pressure, S. Krishna Prasad, Y. Maeda, D.S. Shankar Rao, S. Anitha Nagamani, Uma S. Hiremath and C.V.Yelamaggad, Liq.Cryst., 30, 1277 (2003).
47. Enhanced dynamic response of the photoinduced nematic-isotropic transition in a polymer matrix, K.L.Sandhya, S. Krishna Prasad and Geetha G. Nair, Appl. Phys. Lett., 83, 2707 (2003).
48. Anomalous increase of photocurrent anisotropy in a liquid crystalline binary mixture, K.L.Sandhya, Geetha G.Nair, S. Krishna Prasad, C.V.Yelamaggad and U.S. Hiremath, J. Appl. Phys., 92, 6987 (2002).
49. Time-resolved measurements of the dynamics of the photoinduced smectic-Ca*- smectic-A transition, S. Krishna Prasad, K.L.Sandhya, D.S.Shankar Rao and Y.S.Negi, Phys. Rev. E., 67, 051701 (2003).
50. In situ observation of the pressure-induced mesophase for 4’-n-hexadecyloxy-3’-nitrobiphenyl-4-carboxylic acid, Y. Maeda, S. Krishna Prasad, S. Kutsumizu and S. Yano, Liq.Cryst., 30, 7 (2003).
51. Synthesis and thermal behavior of salicylaldimine-based liquid crystalline symmetrical dimmers, C.V.Yelamaggad, Manoj Mathews, Uma S.Hiremath, Geetha G. Nair, D.S.Shankar Rao and S.Krishna Prasad, Liq.Cryst., 30, 899 (2003).
52. Novel chiral dimesogenic bidentate ligands and their Cu(II) and Pd(II) metal complexes, C.V.Yelamaggad, Uma S.Hiremath, S.Anitha Nagamani, D.S.Shankar Rao, S.Krishna Prasad, Nobuo Iyi and Taketoshi Fujita, Liq. Cryst., 30, 681 (2003).
53. Electro-optic and viewing angle characteristics of a display device employing a discotic nematic liquid crystal, Geetha G Nair, D.S.Shankar Rao, S.Krishna Prasad, S.Chandrasekhar and S.Kumar, Mol. Cryst. Liq. Cryst., 397, 245 (2003).
54. Columnar mesophase in a novel series of banana-shaped compounds consisting of functional nitro groups, Veena Prasad, D.S.Shankar Rao and S.Krishna Prasad, Mol. Cryst. Liq. Cryst., 397, 79/[379] (2003).
55. High pressure investigations on the phase behaviour of discotic liquid crystals, D.S.Shankar Rao, S.Krishna Prasad, R.K.Bamezai and Sandeep Kumar, Mol. Cryst. Liq. Cryst., 397, 143/[443] (2003).
56. Monodispersive unsymmetrical tetramers exhibiting a columnar phase, C.V.Yelamaggad, S.Anitha Nagamani, Uma S.Hiremath, D.S.Shankar Rao and S.Krishna Prasad, Mol. Cryt. Liq. Cryst., 397, 207/[507] (2003).
57. Xray Studies on the columnar structures of discotic liquid crystals, S. Krishna Prasad, D.S. Shankar Rao, S. Chandrasekhar and Sandeep Kumar, Mol. Cryst. Liq. Cryst., 396, 121 (2003).
58. Photoconductivity measurements in the discotic columnar phase of a few anthraquinone derivatives, K.L.Sandhya, S.Krishna Prasad, Geetha G.Nair and Veena Prasad, Mol. Cryst. Liq. Cryst,. 396, 113-119 (2003).
59. Salicylaldimine-based symmetric dimers: synthesis and thermal behaviour, C.V.Yelamaggad, S.Anitha Nagamani, U.S.Hiremath, D.S.Shankar Rao and S.Krishna Prasad, Liq.Cryst., 29, 1401 (2002).
60. Comparative Xray and dielectric measurements of smectic A-smectic C* transition in bulk and confined geometries, K.L.Sandhya, S.Krishna Prasad, D.S.Shankar Rao and Ch. Bahr, Phys. Rev. E, 66, 031710 (2002).
61. Achiral banana-shaped mesogenic bidentate ligands and their Cu (II) and Pd (II) complexes, C.V. Yelamaggad, S. Anitha Nagamani, Geetha G. Nair, D. S. Shankar Rao, S. Krishna Prasad and A. Jakli, Liq. Cryst., 29, 1181 (2002).
62. Effect of electric field on the TGBC* phase, G.G.Nair, S.Krishna Prasad, D.S.Shankar Rao and C.V.Yelamaggad, Ferroelectrics, 277, 117 (2002)
63. Spacer parity dependence of photo-induced effects in liquid crystalline dimers, S. Krishna Prasad, K.L.Sandhya, Geetha G.Nair, C.V.Yelamaggad and U.S. Hiremath, J. Appl. Phys., 92, 838 (2002).
64. The first examples of monodispersive liquid crystalline tetramers possessing four non-identical anisometric segments, C.V.Yelamaggad, S. Anitha Nagamani, U. S. Hiremath, D. S. Shankar Rao, S. Krishna Prasad, Liq. Cryst., 29, 231 (2002).
65. Photo-induced effects in the vicinity of the smectic-Ca*- smectic-A transition, S. Krishna Prasad, K.L.Sandhya and Y.S.Negi, Phys, Rev. E, 65, 031718 (2002).
66. Observation of a Reentrant Twist Grain Boundary Phase, D.S.Shankar Rao, S.Krishna Prasad, V.N. Raja, C.V.Yelamaggad, and S. Anita Nagamani, Phys. Rev. Lett., 87, 085504 (2001).
67. Photoinduced nematic-isotropic phase transition: a case for the random-field Ising model, K.L.Sandhya, S.Krishna Prasad and Geetha G. Nair, Phys. Rev. E, 64, 041702 (2001).
68. Dynamics of the two-dimensional melting transition of a liquid crystal confined in Anopore membranes, K.L.Sandhya, Geetha G.Nair, S.Krishna Prasad and Anjuli Khandelwal, Liq. Cryst., 28, 1847 (2001)
69. Crystal Structure of an Unsymmetrical Dimeric Liquid Crystal with a Wide Temperature Range Chiral Smectic A Phase, N. K. Lokanath, M.A.Sridhar, J. Shashidhar Prasad, C.V.Yelamaggad D.S.Shankar Rao and S.Krishna Prasad, Mol. Cryst. Liq. Cryst., 364, 567 (2001).
70. Phase behaviour of the discotic mesogen 2,3,6,7,10,11-hexahexylthio Triphenylene (HHTT) under hydrostatic pressure, Y. Maeda, D.S. Shankar Rao, S.Krishna Prasad, S.Chandrasekhar and Sandeep Kumar, Liq. Cryst., 28, 1679 (2001)
71. Cholesterol-based linear trimesogens: synthesis and evaluation of mesomorphic behavior, C.V.Yelamaggad, S. Anita Nagamani, U.S. Hiremath D.S. Shankar Rao and S.Krishna Prasad, J. Chem. Research, 493 (2001).
72. Unsymmetrical Trimesogens Exhibiting Undulated Twist Grain Boundary (UTGBC*) Mesophase, C.V.Yelamaggad, S. Anita Nagamani, U.S. Hiremath D.S. Shankar Rao and S.Krishna Prasad, Liq. Cryst., 28, 1581(2001).
73. Molecular Design and Synthesis of The First examples of Novel Monodispersive Liquid Crystalline Tetramers Possessing Four Non-identical Anisometric Segments, C.V.Yelamaggad, S.Anitha Nagamani, U.S. Hiremath, D.S. Shankar Rao and S.Krishna Prasad, Liq. Cryst., 29, 231(2002).
74. X-ray studies on the columnar structures of discotic liquid crystals, S Chandrasekhar, S.Krishna Prasad, D.S.Shankar Rao and V.S.K. Balagurusamy, Special issue on crystallography, Proc. INSA, Ed. Krishan Lal, PINSA 68 A, 175 (2002).