Publications
Publications: 2010 - 2011
1. A novel green chemical route for synthesis of silver nanoparticles using Camellia Sinensis by S. S. K. Kamal, P. K. Sahoo, M. Premkumar, J. Vimala, S. Ram, and L. Durai Acta Chim. Slov., 57, 808-812 (2010)
2. Magnetic properties of chemically synthesized (La1-xEux)0.67Ca0.33MnO3 nanoplates by D. De, S. Ram, and S. K. Roy Adv. Mater. Res., 117, 75-79 (2010)
3. Highly fluorescent silver nanofluids with ferroelectric molecules by S. Ram, A. D. Phule, and A. K. Tyagi Phil. Magn. Lett., 90, 781-791 (2010)
Study of Fe-rich FePt nanoparticles synthesized by a single step reverse micelle route by S. S. K. Kamal, P. K. Sahoo, L. Durai, P. Ghosal, S. Ram, and M. Raja J. Alloys Compd., 501, 297-300 (2010)
First order structural transformation and inverse magnetocaloric effect in melt-spun Ni-Mn-Sn ribbons by I. Babita, S. I. Patil, and S. Ram J. Phys. D: Appl. Phys., 43, 205002 (2010)
Optical and electron paramagnetic resonance properties of native Cr2O3 surface over CrO2 by G. P. Singh and S. Ram J. Mag. Mag. Mater., 322, 1484-1487 (2010)
Antibacterial effect of lanthanum calcium manganate (La0.67Ca0.33MnO3) nanoparticles against Pseudomonas aeruginosa ATCC 27853 by D. De, S. M. Mandal, S. S. Gauri, R. Bhattacharya, S. Ram, and S. K. Roy J. Biomed. Nanotech., 6, 138-144 (2010)
Structural and magnetic properties of polymer stabilized tetragonal Ni nanoparticles by V. Singh, V. Srinivas, and S. Ram Phil. Magn., 90, 1401-1414 (2010)
Synthesis of norbergite Fe3BO6 of single crystallites from a borate glass by S. Ram, K. Kumari, and R. K. Kotnala Trans. Ind. Ceram. Soc., 69, 1-6 (2010)
Soft chemistry of one-dimensional nanostructures for different sensors by S. Ram Lucknow J. of Science, 8, 16-26 (2011)
Publications: 2009 - 2010
Synthesis of cobalt nanoparticles by a modified polyol process using cobalt hydrazine complex by S. S. Kalyan Kamal, P. K. Sahoo, M. Premkumar, N. V. Rama Rao, T. Jagadeesh Kumar, B. Sreedhar, A. K. Singh, S. Ram, and K. Chandra Sekhar J. Alloys Compd., 474, 214–218 (2009)
Crystallization and magnetic properties of [(Fe,Co)0.75Si0.05B0.20]94Nb6 metallic glasses by R. Li, S. Kumar, S. Ram, M. Stoica, S. Roth, and J. Eckert J. Phys. D: Appl. Phys., 42, 085006 (2009)
Studies on ordering temperature and martensite stabilization in Ni55Mn20-xGa25+x alloys by B. Ingale, R. Gopalan, M. Rajasekhar, and S. Ram J. Alloys Compd., 475, 276-280 (2009)
Crystallization kinetics and magnetic properties of Fe66Nb4B30 bulk metallic glass by M. Stoica, S. Kumar, S. Roth, S. Ram, J. Eckert, G. Vaughan, and A. R. Yavari J. Alloys. Compd., 483, 632-637 (2009)
Magnetic properties of La0.67Ca0.33MnO3 nanoplates by D. De, S. Ram, A. Banerjee, A. Gupta, and S. K. Roy IEEE Trans. Mag., 45, 4352-56 (2009)
Microstructure and magnetic properties of (Nd1-yPry)4.5Fe77B18.5 nanocomposite alloys by M. Rajasekhar, D. Akhtar, V. Chandrasekaran, and S. Ram J. Alloys Compd., 480, 670-673 (2009)
Structure and magnetic properties of Nd4.5Fe77-xSnxB18.5 nanocomposite alloys by M. Rajasekhar, D. Akhtar, M. Manivel Raja, S. Ram, and V. Chandrasekaran J. Phys. D: Appl. Phys., 42, 095009 (2009)
Microstructure and magnetic properties of binary Nd80Fe20 with Ga additions by M. Stoica, M. Emmi, S. Ram, A. Wiedenmann, O. Perroud, and J. Eckert J. Phys.:Conf. Ser., 144, 012103 (2009)
Light emission from ferroelectric barium titanate nanocrystals by P. Barik, T. K. Kundu, S. Ram Phil. Mag. Lett., 89, 545-555 (2009)
Optical properties in nanofluids of gold nanoparticles in poly(vinyl pyrrolidone) by A. Mishra, P. Tripathy, S. Ram, and H. J. Fecht J. NanoSci. Nanotech., 9, 4342-4347 (2009)
Dynamic inverse-magnetocaloric and martensite transition in Ni49Mn38Sn13 nanocrystals in low magnetic fields by I. Babita, S. Ram, R. Gopalan, and V. Chandrasekaran Phil. Mag. Lett., 88, 399-407 (2009)
Synthesis, mechanical and I–V characteristics of Ag–PVA nanocomposite films by A. Gautam and S. Ram Phys. Status Solidi A, 206, 1471-1477 (2009)
Selective light emission in nonbonding electron transitions in poly(vinyl pyrrolidone) molecules on spin-coating in thin layers by A. Mishra and S. Ram J. Phys. Chem. A, 113, 14067-14073 (2009)
Electron phonon coupling assisted emission in single magnetic La0.67Ca0.33MnO3 domains of thin nanoplates by D. De, S. Ram, S. K. Roy, and A. Banerjee J. Nanosci. Nanotech., 10, 2564-69 (2010)
Tailoring absorption and emission of light in dielectric polymer nanofluids of reinforced poly (vinylidene fluoride) with silver nanoparticles by A. D. Phule, S. Ram, and A. K. Tyagi J. Appl. Phys., 107, 034316 (2010)
Preparation and thermochemical properties of Ag-PVA nanocomposite films by A. Gautam and S. Ram Mater. Chem. Phys., 119, 266-271 (2010)
Effects of substitution of Nd by Pr on the magnetic properties of melt-spun Nd-Fe-B nanocomposite alloys by M. Rajasekhar, D. Akhtar, and S. Ram J. Phys. D: Appl. Phys., 43, 135004 (2010)
Dynamic light scattering and optical absorption in biological nanofluids of gold nanoparticles in poly(vinyl pyrrolidone) molecules by A. Mishra, S. Ram, and G. Ghosh J. Phys. Chem. C, 113, 16833 (2009)
A facile green-chemical-synthesis-route for producing gold nanoparticles using Camellia Sinensis by S. S. Kalyan Kamal, P.K. Sahoo, M. Premkumar, B. Sreedhar, and S. Ram Adv. Sci. Lett., 3, 1–5 (2010)
Publications: 2008 - 2009
Electrical properties of ferromagnetic Ag:CrO2 particles by G. P. Singh, S. Ram, A.K. Thakur, and R.N.P. Choudhary Ind. J. Engg. & Mater. Sci., 15, 171-75 (2008)
Iron oxide nanoparticle assisted arsenic removal from aqueous system by D. De, S. M. Mandal, S. Ram, J. Bhattacharya, and, S. K. Roy J. of Environ. Sci. & Health, Part A, 44, 155-62 (2009)
Near stationary dielectric properties in half-metallic ferromagnetic Ag:CrO2 nanocomposite particles at high frequencies by G. P. Singh, S. Ram, and A.K. Thakur Modern Phys. Lett., 22, 1423-29 (2008)
Structure and magnetic properties in Ag-stabilized ferromagnetic sensor of CrO2 nanoparticles by G. P. Singh, B. Biswas, S. Ram, and K. Biswas Mater. Sci. & Engg. A, 498, 125-28 (2008)
Enhanced magnetic behavior in carbon encapsulated nickel nanotubules through a linear polymer template by V. Singh, S. Ram, M. Ranot, Je-G. Park, and V. Srinivas App. Phys. Lett., 92, 253104-06 (2008)
Synthesis of ferromagnetic cobalt nanoparticles by a modified polyol process using a cobalt hydrazine complex by S. S. Kalyan Kamal, P. K. Sahoo, M. Premkumar, N. V. Rama Rao, T. Jagadeesh Kumar, B. Sreedhar, A. K. Singh, S. Ram, and K. Chandra Sekhar J. Alloys & Compounds, 432, 23-29 (2008)
Phase transformation and magnetic properties in Ni–Mn–Ga Heusler alloys by I. Baita, R. Gopalan, M. Rajasekhar, and S. Ram J. Alloys & Compounds, 432, 23-29 (2008)
Structural, magnetic and magneto-transport studies in bulk Ni55.2Mn18.1Ga26.7 alloy by I. Babita, R. Gopalan, V. Chandrasekaran, and S. Ram J. App. Phys., 432, 23-29 (2008)
Inverse magnetocaloric effect in ferromagnetic Ni-Mn-Sn Heusler alloys by I. Babita, R. Gopalan, V. Chandrasekaran, and S. Ram Ind. J. Pure & App. Phys., 432, 71-79 (2009)
Synthesis and morphological stability in CrO2 single crystals of a half-metallic ferromagnetic compound by G. P. Singh, S. Ram, J. Eckert, and H.-J. Fecht J. Phys: Conf. Ser., 144, 012110-16 (2009)
X-Ray photoelectron spectrum in surface interfacing of gold nanoparticles with polymer molecules in a hybrid nanocomposite structure by P. Tripathy, S. Ram, H.-J. Fecht, J. Bansmann, and R. J. Behm Nanotechnology, 20, 075701-09 (2009)
Publications: 2007 - 2008
Immobilizing Au-nanocolloids in co-branched polymer molecules in presence of gluconic acid in poly (vinyl alcohol) in hot water by P. Tripathy, A. Mishra, and S. Ram, Mater. Chem. Phys., 106, 379-386 (2007)
Lanthanum-Calcium-Manganate (La0.67Ca0.33MnO3) nanoparticles-assisted affinity probes for matrix-assisted laser desorption/ ionization mass spectrometry analysis of proteins by S. M. Mandal, D. De, S. K. Roy, A. K. Ghosh, S. Ram, and A. K. Das, Eur. J. Mass Spectrom., 13, 359 (2007)
Synthesis, characterization, and self-controlled orthorhombic to tetragonal polymorphic transformation in BaTiO3 nanoparticles by S. Ram A. Jana, and T. K. Kundu, Mod. Phys. Lett. B, 21, 1697-1714 (2007)
BaTiO3 nanoparticles of orthorhombic structure following a polymer precursor. Part II. A thermodynamic analysis by S. Ram, A. Jana, and T. K. Kundu, Philos. Magn,, 87, 5497-5504 (2007)
BaTiO3 nanoparticles of orthorhombic structure following a polymer precursor Part I. X-ray diffraction and electron paramagnetic resonance by A. Jana, S. Ram, and T. K. Kundu, Philos. Magn,, 87, 5485-5495 (2007)
Impedance and magnetic properties of chemically synthesized CrO2/Ag nanocomposite particles by G. P. Singh and S. Ram, J. Appl. Phys., 103, 07D709-1 (2008)
Nonlinear optical absorption and rheological behavior in dispersed poly (vinyl pyrrolidone) molecules in water by A. Mishra, V. K. Srivastava, and S. Ram, J. Mol. Liq., 137, 58-63 (2008)
Effect of Mn on the magnetic properties of Fe3B/Nd2Fe14B nanocomposites by M. Rajasekhar, D. Akhtar, M. Manivel Raja, and S. Ram, J. Magn. Magn. Mater., 320, 1645–1650 (2008)
Silver-Modified CrO2 of Core-Shell Nanoparticles and their Magnetic and Impedance Properties by G. P. Singh, S. Ram, and H.-J. Fecht, J. Amer. Ceram. Soc., 91, 322-324 (2008)
Enhanced Phase Stability and Photoluminescence of Eu3+ Modified t-ZrO2 Nanoparticles by A. Mondal and S. Ram, J. Amer. Ceram. Soc., 91, 329-332 (2008)
Magnetostructural transformation, microstructure, and magnetocaloric effect in Ni-Mn-Ga Heusler alloys by Babita Ingale, R. Gopalan, M. Manivel Raja, V. Chandrasekaran, and S. Ram, J. Appl. Phys., 102, 013906 (2007)
Ferroelectric BaTiO3 phase of orthorhombic crystal structure contained in nanoparticles by S. Ram, A. Jana, and T. K. Kundu, J. Appl. Phys., 102, 054107 (2007)
The effect of silver coating on magnetic properties of oxygen-stabilized tetragonal Ni nanoparticles prepared by chemical reduction by A. Roy, V. Srinivas, S. Ram, and T. V. C. Rao, J. Phys.: Cond. Matter, 19 (2007)
Publications: 2006 - 2007
Photoluminescence in a forbidden 5D0 7F3 transition in Eu3+ cations in Eu3+:Al2O3 in a mesoporous structure by S. Ram and P. Mohanty, Philos. Magn. Lett., 86, 375-386 (2006)
Glass-forming ability and fragility parameter of amorphous Fe67Co9.5Nd3Dy0.5B20 by K. Biswas, S. Venkataraman, W. Y. Zhang, S. Ram, and J. Eckert, J. Appl. Phys., 100, 023501 (2006)
A comprehensive structural and magnetic study of Ni nanoparticles prepared by the borohydride reduction of NiCl2 solution of different concentrations by Aparna Roy, V. Srinivas, S. Ram, J. A. De Toro, and J. P. Goff, J. Appl. Phys., 100, 094307 (2006)
Gold nanoparticles from induced Au3+→Au0 reaction in polyvinyl alcohol molecules in presence of sucrose in hot water by P. Tripathy, S. Ram and H. J.-Fecht, Plasmonics, 1, 121-131 (2006)
Surface enhanced optical absorption and photoluminescence in nonbonding electrons in poly (vinyl pyrrolidone) molecules by A. Mishra and S. Ram, J. Chem. Phys., 126, 084902 (2007)
A new allotrope structure of silver nanocrystals in anisotropic nucleation and growth in support over planar polymer molecules by S. Ram, A. Gautam, H. J. –Fecht, J. Cai, J. Bansmann, and R. J. Behm, Philos. Magn. Lett., 87, 361 (2007)
A simple polyol synthesis of silver metal nanopowder of uniform particles by A. Gautam, G.P. Singh and S. Ram, Synthetic Metals, 15, 5-17 (2007)
Nanorods of silver coated magnetic CrO2 particles from a polymer template in hot water by S. Biswas, V. K. Srivastava, S. Ram and H. J.–Fecht, J. Phys. Chem. C, 111, 7593-7598 (2007)
Phase transformation and magnetic properties in Ni-Mn-Ga Heusler alloys by I. Babita, M. Manivel Raja, R. Gopalan, V. Chandrasekaran and S. Ram, J. Alloys & Compounds, 432, 23-29. (2007)
Gold nanoparticles reinforced poly(vinyl alcohol) of self-standing optical films by P. Tripathy, S. Ram and H. J.-Fecht, J. Nanoscience. & Nanotechnology, 7, 1-7 (2007)
Publications: 2005 - 2006
Synthesis and characterization of thin ferroelectric PbZr0.25Ti0.48O3 fibrils by S. Ram and T. K. Mondal , J. Amer. Ceram. Soc. , 88 3444-3448 (2005)
X-ray diffraction and X-ray photoelectron spectroscopy studies of stabilized cobalt nanoparticles with a thin Al2O3 surface layer by S. Rana and S. Ram, Mater Sci. and Tech., 21 243-249 (2005)
Crystallization kinetics of amorphous Fe67Co9.5Nd3Dy0.5B20 by K. Biswas, S. Ram, L. Schultz and J. Eckert , J. Alloys and Compounds, 397 104-109 (2005)
Synthesis, microstructure and GMR properties of half - metallic CrO2 - PVA nanocomposite films by S. Biswas and S. Ram, Trans. Indian Inst. Met. , 58 1069-1078 (2005)
Synthesis of shape-controlled ferromagnetic CrO2 nanoparticles by reaction in micelles of Cr6+ - PVA polymer chelates by S. Biswas and S. Ram , Mater. Chem. Phys., 99, 000 (2006)
Microstructure, topology and X-ray diffraction in Ag-metal reinforced polymer of polyvinyl alcohol of thin laminates by A. Gautam, P. Tripathy and S. Ram, J. Mater. Sci. , 41 3007-3016 (2006)
A new ferroelectric PbZr0.52Ti0.48O3 polymorph of nanoparticles by S. Ram and A. Mishra , Mod. Phys. Lett. B , 20, 159-163 (2006)
Fabrication of bulk amorphous Fe67Co9.5Nd3Dy0.5B20 alloy by hot extrusion of ribbon and study of the magnetic properties by K .Biswas, S .Ram, S. Roth, L. Schultz and J. Eckert, J. Mater Sci., 41, 3445–3450 (2006)
Some Earlier Publications
Al3+ stabilized c-ZrO2 nanoparticles at low temperature by forced hydrolysis of dispersed metal cations in water by A. Mondal and S. Ram, Solid State Ionics, 160 (2003) 169-181
Synthesis and structural and optical properties of metastable ZrO2 nanoparticles with intergranular Cr3+/Cr4+ doping and grain surface modification by S. Ram, J. Mater. Sci., 38 (2003) 643-655
Effect of microstructure on the magnetic properties of mold-cast and melt-spun Nd-Fe-Co-Al amorphous alloys by G. Kumar, J. Eckert, S. Roth, W. Loser, L. Schultz and S. Ram, Acta Mater., 51 (2003) 229-38
A new polymer precursor method for synthesizing PbZrxTi1-xO3, x �1, nanoceramics at low temperature by S. Ram and T. K. Mandal, J. Mater. Sci. Lett., 22 (2003) 675
Controlled phase transformations in Al3+ stabilized ZrO2 nanoparticles via forced hydrolysis of metal cations in water, by A. Mondal and S. Ram, Mater. Lett., 57 (2003) 1696-1706
Synthesis of PbZr0.7Ti0.3O3 nanoparticles in a new tetragonal crystal structures with a polymer precursor, by T. K. Mandal and S. Ram, Mater. Lett., 57 (2003) 2432-42
Synthesis of Eu2O3 nanocrystals in a new polymorph in corundum structure by reactive doping in a mesoporous Al2O3 powder by S. Ram and P. Mohanty, J. Mater. Sci. Lett., 21 (2002) 1127-29
Confined growth in Eu2O3 nanocrystals in a new polymorph in an amorphous mesoporous Al2O3 by P. Mohanty and S. Ram, Philos. Magn, B 82 (2002) 1129-44
Processing of short Al2O3 fibres by hydrolysis of aluminum in a humid air, Res. & Inno. by S. Ram,, R & D News Magazine, 6 (2002) 20-26
Processing of Cr3+/Cr4+ stabilized c-ZrO2 nanoparticles through thermomechanical attritio by S. Rana, S. Ram, and S.K. Roy,, Mater. & Manufac. Process, 17 (2002) 529-42
Formation and thermal stability of cluster structure in Nd55Cu15Ni10Co5Al by G. Kumar, J. Eckert, L. Schultz and S. Ram,, Mater. Lett., 53 (2002) 305-15
Magnetic properties of Nd-Fe-Co(Cu)-Al-B amorphous alloys prepared by nonequilibrium techniques by G. Kumar, J. Eckert, S. Roth , W. Loser, S. Ram and L. Schultz, J. Appl. Phys., 91 (2002) 3764-68
Thermodynamic lattice instability driving bulk amorphization in Eu3+ doped Al2O3 mesoporo by P. Mohanty and S. Ram, Mater. Lett., 53 (2002) 287-95
Dissolution of Eu3+ cations in mesopores in amorphous Al2O3 and controlled nucleation and by P. Mohanty and S. Ram, J. Europ. Ceram. Soc., 22 (2002) 933-45
A novel polymer matrix method for synthesizing ZrO2 nanocrystals at moderate temperature by J. C. Ray, P. Pramanik and S. Ram, J. Mater. Sci. Lett., 20 (2001) 2017-19
Microstructure and topological analysis of Co: Al2O3 nanocermets in new FCC and BCC metastable Co-St by S. Ram, D. Ghosh and S.K. Roy, J. Mater. Sci., 36 (2001) 3745 - 53
Magnetism in a new series of high-energy density magnetic materials of amorphous alloys by S. Ram, Ind. J. Phys., 75A (2001) 379 - 83
Phase transformations in porous Al2O3 ceramics nanoclusters by S. Ram and S. Rana, Ind. J. Phys., 75A (2001) 437 - 41
Granular GMR sensors of Co-Ag and Co-Cu nanoparticles synthesized through a chemical route using NaBH4 by S. Ram and P.S. Frankwicz, Phys. Status Stat. Sol.(a), 188 (2001) 1129-40
Infrared spectral study of molecular vibrations in amorphous, nanocrystalline and AlO(OH).alpha H2O bulk crysta by S. Ram, Infrared Phys. & Tech., 42 (2001) 547-60 