publications-2005-09

2009
95. Xianfeng, Y., K. Chinnathambi, L. Xiuyan, F. Junxiang, F. Xionghui, L. Chaolun, N. Ravishankar, W. Mingmei, and R. Ganapathiraman; Oriented nanocrystal arrays of selectable polymorphs by chemical sculpture. Chemistry of Materials, 21(14): p. 3197-3201. (2009)
94. Viswanath, B., S. Patra, N. Munichandraiah, and N. Ravishankar; Nanoporous Pt with high surface area by reaction-limited aggregation of nanoparticles. Langmuir, 25(5): p. 3115-3121. (2009)
93. Viswanath, B., P. Kundu, and N. Ravishankar; Formation of two-dimensional structures by tuning the driving force of chemical reactions: An interpretation of kinetic control. Journal of Colloid and Interface Science, 330(1): p. 211-219. (2009)
92. Viswanath, B., P. Kundu, A. Halder, and N. Ravishankar; Mechanistic aspects of shape selection and symmetry breaking during nanostructure growth by wet chemical methods (Centenary Feature Article). Journal of Physical Chemistry C, 113(39): p. 16866-16883. (2009)
91. Rajamathi, J.T., M.F. Ahmed, N. Ravishankar, C. Nethravathi, and M. Rajamathi; Anionic clay-Pt metal nanoparticle composite through intercalation of hexachloroplatinate in nickel zinc hydroxysalt. Solid State Sciences, 11(7): p. 1270-1274. (2009)
90. Nethravathi, C., T. Nisha, N. Ravishankar, C. Shivakumara, and M. Rajamathi; Graphene-nanocrystalline metal sulphide composites produced by a one-pot reaction starting from graphite oxide. Carbon, 47(8): p. 2054-2059. (2009)
89. Mukherjee, B., C. Karthik, and N. Ravishankar; Hybrid Sol-Gel Combustion Synthesis of Nanoporous Anatase. The Journal of Physical Chemistry C, 113(42): p. 18204-18211. (2009)
88. Halder, A., S. Sharma, M.S. Hegde, and N. Ravishankar; Controlled attachment of ultrafine platinum nanoparticles on functionalized carbon nanotubes with high electrocatalytic activity for methanol oxidation. Journal of Physical Chemistry C, 113(4): p. 1466-1473. (2009)
87. Halder, A., P. Kundu, N. Ravishankar, and G. Ramanath; Directed synthesis of rocksalt AuCl crystals. Journal of Physical Chemistry C, 113(14): p. 5349-5351. (2009)
86. Basu, J., C.B. Carter, R. Divakar, B. Mukherjee, and N. Ravishankar; Nanopatterning by solid-state dewetting on reconstructed ceramic surfaces. Applied Physics Letters, 94(17). (2009)
85. Basu, J., S. Bhowmick, J.P. Winterstein, N. Ravishankar, and B.C. Carter; Metal nanostructures on ceramic surfaces for energy applications. Microscopy and Microanalysis, 15(SUPPL. 2): p. 1442-1443. (2009)
84. Viswanath, B. and N. Ravishankar; Controlled synthesis of plate-shaped hydroxyapatite and implications for the morphology of the apatite phase in bone. Biomaterials, 29(36): p. 4855-4863. (2009)
2008
83. Viswanath, B., R. Raghavan, N.P. Gurao, U. Ramamurty, and N. Ravishankar; Mechanical properties of tricalcium phosphate single crystals grown by molten salt synthesis. Acta Biomaterialia, 4(5): p. 1448-1454. (2008)
82. Viswanath, B., P. Kundu, B. Mukherjee, and N. Ravishankar; Predicting the growth of two-dimensional nanostructures. Nanotechnology, 19(19). (2008)
81. Venugopal, B.R., N. Ravishankar, and M. Rajamathi; Interstratification of trioctahedral and dioctahedral smectites through delamination and costacking. Journal of Colloid and Interface Science, 324(1-2): p. 80-84. (2008)
80. Sinha, A., T. Mishra, and N. Ravishankar; Polymer assisted hydroxyapatite microspheres suitable for biomedical application. Journal of Materials Science: Materials in Medicine, 19(5): p. 2009-2013. (2008)
Rajamathi, J.T., A. Arulraj, N. Ravishankar, J. Arulraj, and M. Rajamathi; Delamination of surfactant-intercalated brucite-like hydroxy salts of cobalt and copper and solvothermal decomposition of the resultant colloidal dispersions. Langmuir, 24(19): p. 11164-11168. (2008)
79. Purkayastha, A., Q. Yan, D.D. Gandhi, H. Li, G. Pattanaik, T. Borca-Tasciuc, N. Ravishankar, and G. Ramanath; Sequential organic-inorganic templating and thermoelectric properties of high-aspect-ratio single-crystal lead telluride nanorods.Chemistry of Materials, 20(15): p. 4791-4793. (2008)
78. Nethravathi, C., J.T. Rajamathi, N. Ravishankar, C. Shivakumara, and M. Rajamathi; Graphite oxide-intercalated anionic clay and its decomposition to graphene-inorganic material nanocomposites. Langmuir, 24(15): p. 8240-8244. (2008)
77. Britto, S., P.V. Kamath, and N. Ravishankar; Solution decomposition of the layered double hydroxide of Co with Fe: Phase segregation of normal and inverse spinels. Journal of Colloid and Interface Science, 325(2): p. 419-424. (2008)
76. Basu, J., R. Divakar, J.P. Winterstein, N. Ravishankar, and C.B. Carter; In situ microscopy: A tool to understand mechanisms. Microscopy and Microanalysis, 14(SUPPL. 2): p. 246-247. (2008)
75. Basu, J., R. Divakar, N. Ravishankar, and C.B. Carter; Complementary microscopy techniques for characterizing nanostructures. Microscopy and Microanalysis, 14(SUPPL. 2): p. 374-375. (2008)
74. Basu, J., C. Barry Carter, R. Divakar, V.B. Shenoy, and N. Ravishankar; Modified electron-beam-induced deposition of metal nanostructure arrays using a parallel electron beam. Applied Physics Letters, 93(13). (2008)
2007
73. Viswanath, B. and N. Ravishankar; Porous biphasic scaffolds and coatings for biomedical applications via morphology transition of nanorods. Nanotechnology, 18(47). (2007)
72. Viswanath, B., R. Raghavan, U. Ramamurty, and N. Ravishankar; Mechanical properties and anisotropy in hydroxyapatite single crystals. Scripta Materialia, 57(4): p. 361-364. (2007)
71. Roy, S., M.S. Hegde, N. Ravishankar, and G. Madras; Creation of redox adsorption sites by Pd2+ ion substitution in nanoTiO2 for high photocatalytic activity of CO oxidation, NO reduction, and NO decomposition. Journal of Physical Chemistry C, 111(23): p. 8153-8160. (2007)
70. Radha, A.V., P.V. Kamath, N. Ravishankar, and C. Shivakumara; Suppression of the reversible thermal behavior of the layered double hydroxide (LDH) of Mg with Al: Stabilization of nanoparticulate oxides. Langmuir, 23(14): p. 7700-7706. (2007)
69. Nethravathi, C., N. Ravishankar, C. Shivakumara, and M. Rajamathi; Nanocomposites of a-hydroxides of nickel and cobalt by delamination and co-stacking: Enhanced stability of a-motifs in alkaline medium and electrochemical behaviour. Journal of Power Sources, 172(2): p. 970-974. (2007)
68. Mukherjee, B. and N. Ravishankar; A novel solvothermal method for nanoparticle thin films and coatings. Nanotechnology, 18(2). (2007)
67. Halder, A. and N. Ravishankar; Ultrafine single-crystalline gold nanowire arrays by oriented attachment. Advanced Materials, 19(14): p. 1854-1858. (2007)
66. Britto, S., A.V. Radha, N. Ravishankar, and P.V. Kamath; Solution decomposition of the layered double hydroxide (LDH) of Zn with Al. Solid State Sciences, 9(3-4): p. 279-286. (2007); 65. Baidya, T., A. Marimuthu, M.S. Hegde, N. Ravishankar, and G. Madras; Higher catalytic activity of nano-Ce1-x-yTixPdyO2-d compared to nano-Ce1-xPdxO2-d for CO oxidation and N2O and NO reduction by CO: Role of oxide ion vacancy. Journal of Physical Chemistry C, 111(2): p. 830-839. (2007)
2006
64. Viswanath, B. and N. Ravishankar; Biphasic composite of tricalcium phosphate reinforced with hydroxyapatite whiskers. Mater. Res. Soc. Symp. Proc., 898: p. 201. (2006)
63. Viswanath, B. and N. Ravishankar; Interfacial reactions in hydroxyapatite/alumina nanocomposites. Scripta Materialia, 55(10): p. 863-866. (2006)
62. Venugopal, B.R., N. Ravishankar, C.R. Perrey, C. Shivakumara, and M. Rajamathi; Layered double hydroxide-CdSe quantum dot composites through colloidal processing: Effect of host matrix-nanoparticle interaction on optical behavior. Journal of Physical Chemistry B, 110(2): p. 772-776. (2006)
61. Riesterer, J.L., S.R. Gilliss, N. Ravishankar, and C.B. Carter; A study of dewetting on (001) rutile using AFM. Microscopy and Microanalysis, 12(SUPPL. 2): p. 1028-1029. (2006)
60. Riesterer, J.L., J.K. Farrer, N. Ravishankar, and C.B. Carter; Studying trapped grains in alumina using SEM and EBSD. Microscopy and Microanalysis, 12(SUPPL. 2): p. 1020-1021. (2006)
59. Riesterer, J.L., J.K. Farrer, N.E. Munoz, S.R. Gilliss, N. Ravishankar, and C.B. Carter; Studying alumina boundary migration using combined microscopy techniques. Journal of Physics: Conference Series, 26(1): p. 123-126. (2006)
58. Karthik, C., N. Ravishankar, K.B.R. Varma, M. Maglione, R. Vondermuhll, and J. Etourneau; Relaxor behavior of K0.5La0.5Bi2Nb2O9 ceramics. Applied Physics Letters, 89(4). (2006)
57. Karthik, C., N. Ravishankar, M. Maglione, R. Vondermuhll, J. Etourneau, and K.B.R. Varma; Relaxor behavior of K0.5La0.5Bi2Ta2O9 ceramics. Solid State Communications, 139(6): p. 268-272. (2006)
56. Halder, A. and N. Ravishankar; Gold nanostructures from cube-shaped crystalline intermediates. Journal of Physical Chemistry B, 110(13): p. 6595-6600. (2006)
55. Farrer, J.K., C.B. Carter, and N. Ravishankar; The effects of crystallography on grain-boundary migration in alumina. Journal of Materials Science, 41(3): p. 661-674. (2006)
54. Britto, S., J.T. Rajamathi, N. Ravishankar, C. Shivakumara, and M. Rajamathi; pH mediated delamination of anionic clay-like nickel-zinc hydroxysalt in water through intercalation of zwitterionic p-aminobenzoate ions. Solid State Sciences, 8(2): p. 162-167. (2006)
53. Baidya, T., A. Gayen, M.S. Hegde, N. Ravishankar, and L. Dupont; Enhanced reducibility of Ce1-xTixO2 compared to that of CeO2 and higher redox catalytic activity of Ce1-x-yTixPtyO2-d compared to that of Ce1-xPtxO2-d. Journal of Physical Chemistry B, 110(11): p. 5262-5272. (2006)
2005
52. Viswanath, B., N. Ravishankar, S. Nayar, and A. Sinha; Synthesis, sintering and microstructural characterization of nanocrystalline hydroxyapatite composites. Mater. Res. Soc. Symp. Proc., 845: p. 309-314. (2005)
Ravishankar, N. and C.B. Carter; Ordered nanostructures by site-specific heterogeneous nucleation. Philosophical Magazine Letters, 85(10): p. 523-531. (2005)
52. Rajamathi, J.T., N. Ravishankar, and M. Rajamathi; Delamination-restacking behaviour of surfactant intercalated layered hydroxy double salts, M3Zn2(OH)8(surf)2·2H2O [M = Ni, Co and surf = dodecyl sulphate (DS), dodecyl benzene sulphonate (DBS)]. Solid State Sciences, 7(2): p. 195-199. (2005)
51. Nethravathi, C., S. Sen, N. Ravishankar, M. Rajamathi, C. Pietzonka, and B. Harbrecht; Ferrimagnetic nanogranular Co3O4 through solvothermal decomposition of colloidally dispersed monolayers of a-cobalt hydroxide. Journal of Physical Chemistry B, 109(23): p. 11468-11472. (2005)
50. Nethravathi, C., G. Harichandran, C. Shivakumara, N. Ravishankar, and M. Rajamathi; Surfactant intercalated a-hydroxides of cobalt and nickel and their delamination-restacking behavior in organic media. Journal of Colloid and Interface Science, 288(2): p. 629-633. (2005)
49. Mukherjee, B. and N. Ravishankar; A general route to nanoparticle thin films and coatings. Mater. Res. Soc. Symp. Proc., 901: p. 388-393. (2005)
48. Karthik, C., N. Ravishankar, and K.B.R. Varma; Structural and dielectric properties of SrBi2-xPb xNb2O9-x/2 (0 < x < 2). Ferroelectrics, 324: p. 113-119. (2005)
47. Gayen, A., K.R. Priolkar, A.K. Shukla, N. Ravishankar, and M.S. Hegde; Oxide-ion conductivity in CuxCe1-xO2-d (0 < d <0.10). Materials Research Bulletin, 40(3): p. 421-431. (2005)
46. Gayen, A., T. Baidya, A.S. Prakash, N. Ravishankar, and M.S. Hegde; Influence of cerium precursor on the size and solid solubility of transition metals in combustion synthesized Ce1-xMxO2-d (M = Cu, Pd) nano crystallites: Enhancement of redox properties and catalytic activity. Indian Journal of Chemistry - Section A Inorganic, Physical, Theoretical and Analytical Chemistry, 44(1): p. 34-48. (2005)