S. Mohan

Optical Properties of Low Energy Ion Assisted Deposited TiO(2) Films. (9999)

Krishna, M. Ghansyam, Rao, K. Narasimha, Murthy, M. Adinarayana, Mohan, S.

Absorption in TiO(2) films limts their efficiency and stability against high power laser radiation. The optical absorption in single layer TiO(2) films is greatly influenced by deposition parameters...

Properties of Ion Assisted Deposited Titania Films. (9999)

Krishna, M. Ghanashyam, Rao, K. Narasimha, Mohan, S.

Thin films of titanium dioxide have been deposited using ion assisted deposition with oxygen ions in the energy range 100-500 eV and current densities up to 100 micro A/cm(2). It has been observed...

Deposition and characteristics investigations of nanocarbons deposited by electrochemical route (2008)

Sharma, SK, Pandey, RK, Sharma, M, Sharma, AB, Rao, Narasimha K, Mohan, S, ...

The nano-carbons / carbon nano tubes (CNT) have been synthesized by a noble electrochemical route using a nonaqueous bath. We have synthesized the carbon nano tubes (CNT) by making use of the monomer...

Signature of martensite transformation on conductivity noise in thin films of NiTi shape memory alloys (2008)

Chandni, U, Ghosh, Arindam, Vijaya, HS, Mohan, S

Slow time-dependent fluctuations, or noise, in the electrical resistance of dc magnetron sputtered thin films of nickel-titanium shape memory alloys have been measured. Even in equilibrium, the noise...

Deposition and characteristics investigations of nanocarbons deposited by electrochemical route (2008)

Sharma, SK, Pandey, RK, Sharma, M, Sharma, AB, Rao, Narasimha K, Mohan, S, ...

The nano-carbons / carbon nano tubes (CNT) have been synthesized by a noble electrochemical route using a nonaqueous bath. We have synthesized the carbon nano tubes (CNT) by making use of the monomer...

Signature of martensite transformation on conductivity noise in thin films of NiTi shape memory alloys (2008)

Chandni, U, Ghosh, Arindam, Vijaya, HS, Mohan, S

Slow time-dependent fluctuations, or noise, in the electrical resistance of dc magnetron sputtered thin films of nickel-titanium shape memory alloys have been measured. Even in equilibrium, the noise...

Effect of Nd3 + concentration on the physical and absorption properties of sodium-lead-borate glasses (2007)

Mohan,S., Thind,K. S., Sharma,G.

The effect of increasing the rare earth ion concentration on the physical and spectroscopic properties of Nd3 + doped sodium-lead-borate glasses have been studied for the compositions (10-x)...

LONG-TERM EFFICACY OF PROTEIN-ENRICHED PEA FLOUR AGAINST TRIBOLIUM CASTANEUM (COLEOPTERA: TENEBRIONIDAE) IN WHEAT FLOUR (2007)

P. Pretheep-Kumar, S. Mohan, K. Ramaraju

Long-term efficacy of the protein-enriched flour of pea (Pisum sativum L. var. Bonneville) in its toxicity, progeny reduction and organoleptic properties was evaluated by combining it with wheat...

4,5-Dimethyl-N-(2-methylphenyl)-2-$\{[(1E)-(3,4,5-trimethoxyphenyl)methylene]amino\}$thiophene-3-carboxamide (2007)

Vasu, *, Nirmala, KA, Chopra, Deepak, Mohan, S, Saravanan, J

The conformation of the title molecule, $C_{24}H_{26}N_2O_4S$, is influenced by intramolecular N-H...N hydrogen bonding, and $\pi-\pi$ interactions link the molecules into centrosymmetric dimers. The...

4,5-Dimethyl-N-(2-methylphenyl)-2-$\{[(1E)-(3,4,5-trimethoxyphenyl)methylene]amino\}$thiophene-3-carboxamide (2007)

Vasu, *, Nirmala, KA, Chopra, Deepak, Mohan, S, Saravanan, J

The conformation of the title molecule, $C_{24}H_{26}N_2O_4S$, is influenced by intramolecular N-H...N hydrogen bonding, and $\pi-\pi$ interactions link the molecules into centrosymmetric dimers. The...

Investigations on the influence of process parameters on the structural evolution of ion beam sputter deposited chromium thin films (2005)

Balu, R, Raju, AR, Lakshminarayanan, V, Mohan, S

Chromium thin films are technologically important as underlayers for the deposition of cobalt-based magnetic films because of their good lattice match and adhesion. The structural orientation and...

Composition analysis of NiTi thin films sputtered from a mosaic target:synthesis and simulation (2005)

Abhilash, V, Sumesh, MA, Mohan, S

NiTi thin films of nearly equi-atomic composition were obtained by magnetron sputtering of a composite target. The target was composed of sectors of NI and Ti. Sputter yields of Ni and Ti were...

Investigations on the influence of process parameters on the structural evolution of ion beam sputter deposited chromium thin films (2005)

Balu, R, Raju, AR, Lakshminarayanan, V, Mohan, S

Chromium thin films are technologically important as underlayers for the deposition of cobalt-based magnetic films because of their good lattice match and adhesion. The structural orientation and...

Composition analysis of NiTi thin films sputtered from a mosaic target:synthesis and simulation (2005)

Abhilash, V, Sumesh, MA, Mohan, S

NiTi thin films of nearly equi-atomic composition were obtained by magnetron sputtering of a composite target. The target was composed of sectors of NI and Ti. Sputter yields of Ni and Ti were...

Differences in exposure to stimulatory and inhibitory components of the insulin-like growth factor (IGF) system in patients with femoral neck versus trochanteric fracture (2005)

Boonen, S, Vanderschueren, D, Haentjens, P, Mohan, S, Baylink, DJ, Bouillon, R, ...

Katholieke Univ Leuven, Univ Ziekenhuizen, Ctr Metab Bone Dis, B-3000 Louvain, Belgium. Katholieke Univ Leuven, Div Geriatr Med, B-3000 Louvain, Belgium. Katholieke Univ Leuven, Lab Expt Med &...

Differences in exposure to stimulatory and inhibitory components of the insulin-like growth factor (IGF) system in patients with femoral neck versus trochanteric fracture (2005)

Boonen, S, Vanderschueren, D, VENKEN, Koen, GEUSENS, Piet, Haentjens, P, Mohan, S, ...

Katholieke Univ Leuven, Univ Ziekenhuizen, Ctr Metab Bone Dis, B-3000 Louvain, Belgium. Katholieke Univ Leuven, Div Geriatr Med, B-3000 Louvain, Belgium. Katholieke Univ Leuven, Lab Expt Med &...

Two biologically active thiophene-3-carboxamide derivatives (2004)

Vasu, *, Nirmala, KA, Chopra, Deepak, Mohan, S, Saravanan, J

The compounds 2-{[(E)-(4-methoxyphenyl)methylene]amino}-N-(3-methylphenyl)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide, $C_{24}H_{24}N_{2}OS$, (I),and...

2-Amino-N-(2-chlorophenyl)-4,5,6,7-tetra-hydro-1-benzothiophene-3-carboxamide (2004)

Vasu, *, Nirmala, KA, Chopra, Deepak, Mohan, S, Saravanan, J

The title compound,${C_{15}H_{15}ClN_{2}OS}$, shows antibacterial and antifungal activities. The dihedral angle between the thiophene moiety and the 2-chlorophenyl ring is $22.3(1)^{\mathtrm{0}}$....

Methyl 2-(acetylamino)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate (2004)

Vasu, *, Nirmala, KA, Chopra, Deepak, Mohan, S, Saravanan, J

The title compound, C12H15NO3S, exhibits antibacterial and antifungal activities. The cyclohexene ring exhibits disorder,indicating two possible conformations of the half-chair form.The molecular...

2-(Acetamido)-4,5-dimethyl-N-(2-methyl-phenyl)thiophene-3-carboxamide (2004)

Vasu, *, Nirmala, KA, Chopra, Deepak, Mohan, S, Saravanan, J

The title compound,$C_{16}H_{18}N_{2}O_{2}S$, shows antibacterial and antifungal activities. The dihedral angle between the thiophene and 2-methylphenyl groups is $83.3 (1)^{\mathrm{0}}$. There are...

Monte Carlo simulation of transport process of the sputtered species in the facing target sputtering technique (2004)

Abhilash, V, Balu, R, Balaji, S, Nathan, Senthil S, Mohan, S

In facing target sputtering (FTS) technique two targets facing each other are sputtered simultaneously and the particles are collected in the o. axis position. When these two targets constitute two...

Influence of secondary ion bombardment on the composition, structure and surface properties of platinum thin films (2004)

Balaji, S, Satyam, PV, Lakshminarayanan, V, Mohan, S

Platinum (Pt) thin films were deposited by dual ion beam sputtering (DIBS) techniques on oxidized silicon substrates maintained at ambient temperature. Argon ions with energy of 1 keV and beam...

Relationship between testosterone supplementation and insulin-like growth factor-I levels and cognition in healthy older men (2004)

Cherrier, MM, Plymate, SR, Mohan, S, Asthana, S, Matsumoto, AM, Bremner, WJ, ...

BACKGROUND: Our laboratory has previously reported that testosterone (T) administration to older men significantly improves cognitive function. This study examined potential changes in insulin-like...

2-Amino-N-(2-chlorophenyl)-4,5,6,7-tetra-hydro-1-benzothiophene-3-carboxamide (2004)

Vasu, *, Nirmala, KA, Chopra, Deepak, Mohan, S, Saravanan, J

The title compound,${C_{15}H_{15}ClN_{2}OS}$, shows antibacterial and antifungal activities. The dihedral angle between the thiophene moiety and the 2-chlorophenyl ring is $22.3(1)^{\mathtrm{0}}$....

Methyl 2-(acetylamino)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate (2004)

Vasu, *, Nirmala, KA, Chopra, Deepak, Mohan, S, Saravanan, J

The title compound, C12H15NO3S, exhibits antibacterial and antifungal activities. The cyclohexene ring exhibits disorder,indicating two possible conformations of the half-chair form.The molecular...

2-(Acetamido)-4,5-dimethyl-N-(2-methyl-phenyl)thiophene-3-carboxamide (2004)

Vasu, *, Nirmala, KA, Chopra, Deepak, Mohan, S, Saravanan, J

The title compound,$C_{16}H_{18}N_{2}O_{2}S$, shows antibacterial and antifungal activities. The dihedral angle between the thiophene and 2-methylphenyl groups is $83.3 (1)^{\mathrm{0}}$. There are...

Two biologically active thiophene-3-carboxamide derivatives (2004)

Vasu, *, Nirmala, KA, Chopra, Deepak, Mohan, S, Saravanan, J

The compounds 2-{[(E)-(4-methoxyphenyl)methylene]amino}-N-(3-methylphenyl)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide, $C_{24}H_{24}N_{2}OS$, (I),and...

Monte Carlo simulation of transport process of the sputtered species in the facing target sputtering technique (2004)

Abhilash, V, Balu, R, Balaji, S, Nathan, Senthil S, Mohan, S

In facing target sputtering (FTS) technique two targets facing each other are sputtered simultaneously and the particles are collected in the o. axis position. When these two targets constitute two...

Influence of secondary ion bombardment on the composition, structure and surface properties of platinum thin films (2004)

Balaji, S, Satyam, PV, Lakshminarayanan, V, Mohan, S

Platinum (Pt) thin films were deposited by dual ion beam sputtering (DIBS) techniques on oxidized silicon substrates maintained at ambient temperature. Argon ions with energy of 1 keV and beam...

Physical-Chemical Properties of Articulated Rodlike Polymers (2004)

Berry, G. C., Furukawa, R., Mohan, S., Wei, C.

The properties of PBT, articulated copolymers of PBT (SPBT), and PBO (SPBO), and copolymers of PBT and PBO in dilute solutions are discussed. Light scattering methods are used to determine the...

Physical-Chemical Properties of Articulated Rodlike Polymers (2004)

Berry, G. C., Mohan, S., Kim, C., Furukawa, R., Wei, C.

Rheological and rheo-optical studies are reported on solutions of rodlike poly (1,4-phenylene 2,6-benzobisthiazole), PBT. Both isotropic and nematic solutions are studied, over a range of polymer...

Coffee futures: Role in reducing coffee producers' price risk (2004)

Love, J., Mohan, S.

The paper investigates whether coffee producers can benefit by taking coffee production/marketing decisions on the basis of coffee futures forecasts. The methodology employed is to match futures and...

Two biologically active thiophene-3-carboxamide derivatives (2003)

Vasu, *, Nirmala, KA, Choudhury, AR, Mohan, S, Saravanan, J, Narasimhamurthy, T

$The\hspace{5mm}two\hspace{5mm}title\hspace{5mm}compound,$ $2-(\lbrace (1Z)-[4-(dimethylamino)-phenyl]methylene\rbrace...

Ultra thin films of nanocrystalline Ge studied by AFM and interference enhanced Raman scattering (2003)

Balaji, S, Mohan, S, Muthu, DVS, Sood, AK

Initial growth stages of the ultra thin films of germanium (Ge) prepared by ion beam sputter deposition have been studied using atomic force microscope (AFM) and interference enhanced Raman...

Studies on single layer $CeO_2$ and $SiO_2$ films deposited by rotating crucible electron beam evaporation (2003)

Rao, Narasimha K, Shivlingappa, L, Mohan, S

High index $CeO_2$ films and low index $SiO_2$ films are widely used in multi layer optical thin film devices, such as high reflectors, interference filters, anti reflection coatings, etc. Optical...

Two biologically active thiophene-3-carboxamide derivatives (2003)

Vasu, *, Nirmala, KA, Choudhury, AR, Mohan, S, Saravanan, J, Narasimhamurthy, T

$The\hspace{5mm}two\hspace{5mm}title\hspace{5mm}compound,$ $2-(\lbrace (1Z)-[4-(dimethylamino)-phenyl]methylene\rbrace...

Ultra thin films of nanocrystalline Ge studied by AFM and interference enhanced Raman scattering (2003)

Balaji, S, Mohan, S, Muthu, DVS, Sood, AK

Initial growth stages of the ultra thin films of germanium (Ge) prepared by ion beam sputter deposition have been studied using atomic force microscope (AFM) and interference enhanced Raman...

Studies on single layer $CeO_2$ and $SiO_2$ films deposited by rotating crucible electron beam evaporation (2003)

Rao, Narasimha K, Shivlingappa, L, Mohan, S

High index $CeO_2$ films and low index $SiO_2$ films are widely used in multi layer optical thin film devices, such as high reflectors, interference filters, anti reflection coatings, etc. Optical...

A Microcomputer-Based Novel Deposition Controller for Preparing Films with Graded Composition (2000)

Shivalingappa, L, Rao, Narasimha K, Mohan, S

A novel microcomputer-based electron beam (EB) deposition technique has been developed for preparing thin films with graded composition. A conventional EB gun crucible has been modified to...

Surfactant-mediated growth of ultrathin Ge and Si films and their interfaces: Interference-enhanced Raman study (2000)

Kanakaraju, S, Sood, AK, Mohan, S

We report on the growth and interfaces of ultrathin polycrystalline Ge and Si films when they are grown on each other using ion beam sputter deposition with and without surfactant at different growth...

Surfactant-mediated growth of ultrathin Ge and Si films and their interfaces: Interference-enhanced Raman study (2000)

Kanakaraju, S, Sood, AK, Mohan, S

We report on the growth and interfaces of ultrathin polycrystalline Ge and Si films when they are grown on each other using ion beam sputter deposition with and without surfactant at different growth...

A Microcomputer-Based Novel Deposition Controller for Preparing Films with Graded Composition (2000)

Shivalingappa, L, Rao, Narasimha K, Mohan, S

A novel microcomputer-based electron beam (EB) deposition technique has been developed for preparing thin films with graded composition. A conventional EB gun crucible has been modified to...

In situ Raman monitoring of ultrathin Ge films (1998)

Kanakaraju, S, Sood, AK, Mohan, S

We report the in situ interference enhanced Raman spectroscopy of ultrathin crystalline Ge films grown at $300 ^oC$. The Raman spectra of the films show a peak at $\sim290 cm^{-1}$ attributed to the...

Liquid-Liquid Dispersion for Fabrication of Al-Pb Metal-Metal Composites. (1998)

Mohan, S., Agarwala, V., Ray, S.

Al-pb metal-metal composites have been fabricated by stirring the molten alloy in its liquid immiscible state and casting this dispersion into ingots in permanent mold. the microstructure of the...

Microstructure of Stircast Al-Pb Metal-Metal Composites. (1998)

Mohan, S., Agarwala, V., Ray, S.

This paper concerned mmc in some important way and contained information about, utilized, or discussed these subjects: basic topics:, data, experimental, mmc, mmc data materials and material types:,...

Suitability of Mn-SiO2 Cermet Films for Strain Gauge Application. (1998)

Rajanna, K., Srinivasulu, S., Nayak, M. M., Mohan, S.

Cermet films are basically metal-dielectric composites. They are known to offer controlled high resistivities, predictable temperature coefficient of resistance (TCR) and good stability in their...

Transport of sputtered atoms in facing targets sputtering geometry: A numerical simulation study (1998)

Nathan, Senthil S, Rao, Mohan G, Mohan, S

The transport of sputtered Ag atoms in the facing targets sputtering geometry studied by Monte Carlo simulation is presented. The atoms are ejected with a cosine distribution and undergo many...

Interference enhanced Raman spectroscopy of ultra thin crystalline Ge films (1998)

Kanakaraju, S, Sood, AK, Mohan, S

We report Raman study of ultra thin Ge films using interference enhanced Raman scattering which uses a trilayer structure of Al, CeO2 and crystalline Ge films. The use of CeO2 allows the growth of...

Interference enhanced Raman spectroscopy of ultra thin crystalline Ge films (1998)

Kanakaraju, S, Sood, AK, Mohan, S

We report Raman study of ultra thin Ge films using interference enhanced Raman scattering which uses a trilayer structure of Al, CeO2 and crystalline Ge films. The use of CeO2 allows the growth of...

In situ Raman monitoring of ultrathin Ge films (1998)

Kanakaraju, S, Sood, AK, Mohan, S

We report the in situ interference enhanced Raman spectroscopy of ultrathin crystalline Ge films grown at $300 ^oC$. The Raman spectra of the films show a peak at $\sim290 cm^{-1}$ attributed to the...

Transport of sputtered atoms in facing targets sputtering geometry: A numerical simulation study (1998)

Nathan, Senthil S, Rao, Mohan G, Mohan, S

The transport of sputtered Ag atoms in the facing targets sputtering geometry studied by Monte Carlo simulation is presented. The atoms are ejected with a cosine distribution and undergo many...

Estimation of density of charge species in a triode discharge system (1997)

Swarnalatha, M, Sravani, C, Gunasekhar, KR, Muralidhar, GK, Mohan, S

Triode discharges are widely used in plasma assisted physical vapour deposition techniques to enhance ionisation even under low pressures. In addition to this, the triode discharges enable...

Low-cost thin film pressure transducer (1997)

Rajanna, K, Nayak, MM, Krishnamurthy, R, Mohan, S

A flat diaphragm type pressure transducer with an anodised insulating layer and thin Pt-film as a strain gauge has been designed and made. Thepapergives details of the diaphragm and the information...

Studies of process parameter controlled composition variation in sputtered $YBa_2Cu_3O_{7-x}$ films (1997)

Nathan, Senthil S, Muralidhar, GK, Rao, Mohan G, Mohan, S

$YBa_2Cu_30_{7_X}$ films have been deposited on (100) MgO substrates by a high pressure oxygen sputtering technique. Optical emission spectroscopic study of the sputter plasma indicates that the...