V. Nagarajan

Publication List Details

Period

1982 - 2009

Number

63

Co-Authors

New approach for modelling strain induced precipitation of Nb(C,N) in HSLA steels during multipass hot deformation in austenite (2009)

Nagarajan, V., Palmiere, E.J., Sellars, C.M.

A new model for strain induced precipitation of Nb(C,N) is developed from the existing model for single pass hot deformation. This new model can be extended to multipass deformation to explain the...

Complex phase mixture and domain superstructure across a new lead-free ferroelectric/anti-ferroelectric morphotropic phase boundary (2008)

Lim, S. H., Fujino, S., McKenzie, W. R., Nagarajan, V., Munroe, P. R., ...

We investigate the microstructural evolution in a ferroelectric to antiferroelectric phase transition at the morphotropic phase boundary in the Bi(1-x)SmxFeO3 system. Continuous Sm3+ substitution on...

Combinatorial discovery of a lead-free morphotropic phase boundary in a thin-film piezoelectric perovskite (2008)

Fujino, S., Murakami, M., Varatharajan, A., Nagarajan, V., Fennie, C. J., ...

We report on the discovery of a lead-free morphotropic phase boundary in Sm doped BiFeO3 with a simple perovskite structure using the combinatorial thin film strategy. The boundary is a rhombohedral...

Thickness dependence of structural and piezoelectric properties of epitaxial Pb(Zr0.52Ti0.48)O3 films on Si and SrTiO3 substrates (2006)

Kim, D.M., Eom, C.B., Nagarajan, V., Ouyang, J., Ramesh, R., Vaithyanathan, V., ...

This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying...

Nanoscale polarization relaxation in a polycrystalline ferroelectric thin film: Role of local environments (2005)

Nagarajan, V., Aggarwal, S., Gruverman, Alexei, Ramesh, R., Waser, R.

In this letter, we report on the study of nanoscale polarization relaxation phenomena in polycrystalline PbZr0.4Ti0.6O3 films. Piezoresponse force microscopy (PFM) images of the as-grown sample...

Size effects in ultrathin epitaxial ferroelectric heterostructures (2004)

Nagarajan, V., Prasertchoung, S., Zhao, T., Zheng, H., Ouyang, J., Ramesh, R., ...

This version is available at the following Publisher URL: http://apl.aip.org

Ferroelectric Nanotubes (2003)

Morrison, F. D., Luo, Y., Szafraniak, I., Nagarajan, V., Wehrspohn, R. B., Steinhart, M., ...

We report the independent invention of ferroelectric nanotubes from groups in several countries. Devices have been made with three different materials: lead zirconate-titanate PbZr1-xTixO3 (PZT);...

Lowlatency message passing on workstation clusters using SCRAMNet (1999)

Vijay Moorthy, Matthew G. Jacunski, Manoj Pillai, P. Ware, Dhabaleswar K. P, V. Nagarajan, ...

Clusters of workstations have emerged as a popular platform for parallel and distributed computing. Commodity high speed networks which are used to connect workstation clusters provide high...

Structure Analysis of a Collagen-Model Peptide with a (Pro-Hyp-Gly) Sequence Repeat (1999)

Nagarajan, V., Kamitori, Shigehiro, Okuyama, Kenji

The crystal structure of a triple helical peptide (Pro-Hyp-Gly)10 has been determined at 1.9 Å resolution. Single crystals grown by the hanging drop method, diffracted to a resolution of 1.8 Å. The...

The magnetoresistance in GdNi: Magnetic-polaronic-like effect near Curie temperature and low temperature sign reversal (1998)

Mallik, R., Sampathkumaran, E. V., Paulose, P. L., Nagarajan, V.

The results of magnetoresistance ($\Delta \rho /\rho$)measurements in GdNi, in the temperature range 4.2 to 300 K are reported. The sign of $\Delta \rho /\rho $ above the Curie temperature (Tc= 70 K)...

SURFACE AND INTERFACIAL STUDIES OF ICE AND INTERACTION OF WATER AND POLYMERIC MATERIALS AT TEMPERATURES BELOW 0C. (ADSORPTION OF WATER VAPOR ON POLYMERS AND FREEZING OF AQUEOUS POLYMER SOLUTIONS WITH REFERENCE TO CRYOBIOLOGY). (1998)

Jellinek,H. H. G., Fok,S. Y., Nagarajan,V., Clerc,P. J.

A study was initiated on freezing of Polyvinylpyrrolidone aqueous solutions as a function of polymer concentration and temperature. This resulted in a publication entitled: 'Freezing of Aqueous...

Contributive Research and Development (1998)

Nagarajan, V.

This technical report gives a summary of the research performed in the materials and physical sciences in support of the Air Force Research Laboratory's Materials Directorate under a Contributive...

High Temperature Effects of CaO and CaSO4 on High-Chromium Alloys. (1998)

Krause, H. H., Nagarajan, V., Wright, I. G., Manaker, A. M.

In the fluidized bed combustion of coal, both the CaO sulfur-oxide absorber and the CaSO4 reaction product are potential corrosion agents; 1000-hour laboratory tests of austenitic and ferritic...

Low-Latency Message Passing on Workstation Clusters using SCRAMNet (1998)

Vijay Moorthy, Matthew G. Jacunski, Manoj Pillai, P. Ware, Dhabaleswar K. P, V. Nagarajan, ...

Clusters of workstations have emerged as a popular platform for parallel and distributed computing. Commodity high speed networks which are used to connect workstation clusters provide high...

Low Latency Message Passing on Workstation Clusters Using SCRAMNet (1998)

Peter Dhabaleswar Panda, Thomas Page, P. Sadayappan, Vijay Moorthy, Vijay Moorthy, ...

: Clusters of workstations are emerging as a popular platform for parallel and distributed computing. The performance of clusters of workstations depends greatly on the networks interconnecting them....

Crystal Structure Analysis of Collagen Model Peptide (Pro-Pro-Gly)10 (1998)

Nagarajan, V., Kamitori, Shigehiro, Okuyama, Kenji

Single crystals of (Pro-Pro-Gly)10 were grown by the hanging drop method. The crystals diffracted to a resolution of 1.8 Å. In the crystals the polypeptides form triple helices that aggregate...

Dispenser induced aerodynamic interference loads on submunition during dispense AIAA Paper 97-2203 (1997)

Nagarajan, V

A wind tunnel model of a submunition dispenser has been fabricated simulating the open submunition bay where the submunitions are kept in different circumferential rows. Provision has been made to...

Approaches to oxidation-resistant refractory metal alloys (1993)

Wright, I., Nagarajan, V.

The focus of the research reported here was on the design of high-temperature alloys which would form protective SiO2 and Al2O3 scales on exposure to high-temperature, oxidizing environments. One way...

Approaches to oxidation-resistant refractory metal alloys (1993)

Wright, I., Nagarajan, V.

The focus of the research reported here was on the design of high-temperature alloys which would form protective SiO2 and Al2O3 scales on exposure to high-temperature, oxidizing environments. One way...

Approaches to oxidation-resistant refractory metal alloys (1993)

Wright, I., Nagarajan, V.

The focus of the research reported here was on the design of high-temperature alloys which would form protective SiO2 and Al2O3 scales on exposure to high-temperature, oxidizing environments. One way...

Topological design of centralized computer networks /--by V. Nagarajan. (1991)

Nagarajan, V., Current, John R.

Advisor: Hasan Pirkul and John Current, Graduate Program in Business Administration.

FERROMAGNETISM, REENTRANT AND SPIN GLASS LIKE BEHAVIOURS IN AMORPHOUS FexT80-xB20 (T = Re, W) ALLOYS (1988)

Paulose, P., Nagarajan, V., Nagarajan, R., Vijayaraghavan, R.

Substitution of Re, W for Fe in amorphous ferromagnet Fe80B20 results in reduction of Tc, Fe moment and leads to reentrant and spin glam like behaviours. In Re rich reentrant alloys field cooling...

Ru INDUCED CHANGES IN REENTRANT Fe90Zr10 AMORPHOUS ALLOY (1988)

Nagarajan, V., Paulose, P., Vijayaraghavan, R.

Substitution of Ru for Fe in amorphous Fe90Zr10 alloy results in an instant fall in Tc, reduction in average transition metal moment and in disappearance of ferromagnetism at about 3 atomic percent...

FERROMAGNETISM, REENTRANT AND SPIN GLASS LIKE BEHAVIOURS IN AMORPHOUS FexT80-xB20 (T = Re, W) ALLOYS (1988)

Paulose, P., Nagarajan, V., Nagarajan, R., Vijayaraghavan, R.

Substitution of Re, W for Fe in amorphous ferromagnet Fe80B20 results in reduction of Tc, Fe moment and leads to reentrant and spin glam like behaviours. In Re rich reentrant alloys field cooling...

Ru INDUCED CHANGES IN REENTRANT Fe90Zr10 AMORPHOUS ALLOY (1988)

Nagarajan, V., Paulose, P., Vijayaraghavan, R.

Substitution of Ru for Fe in amorphous Fe90Zr10 alloy results in an instant fall in Tc, reduction in average transition metal moment and in disappearance of ferromagnetism at about 3 atomic percent...

FERROMAGNETISM, REENTRANT AND SPIN GLASS LIKE BEHAVIOURS IN AMORPHOUS FexT80-xB20 (T = Re, W) ALLOYS (1988)

Paulose, P., Nagarajan, V., Nagarajan, R., Vijayaraghavan, R.

Substitution of Re, W for Fe in amorphous ferromagnet Fe80B20 results in reduction of Tc, Fe moment and leads to reentrant and spin glam like behaviours. In Re rich reentrant alloys field cooling...

Ru INDUCED CHANGES IN REENTRANT Fe90Zr10 AMORPHOUS ALLOY (1988)

Nagarajan, V., Paulose, P., Vijayaraghavan, R.

Substitution of Ru for Fe in amorphous Fe90Zr10 alloy results in an instant fall in Tc, reduction in average transition metal moment and in disappearance of ferromagnetism at about 3 atomic percent...

An Algorithm for Tracking a Maneuvering Target in Clutter (1984)

Nagarajan, V, Sharma, RN, Chidambara, MR

We consider the problem of tracking a maneuvering target in clutter. In such an environment, missed detections and false alarms make it impossible to decide, with certainty, the origin of received...

Flash photolysis of transient free radicals / (1984)

Nagarajan, V.

Thesis (Ph. D.)--University of Notre Dame, 1984.

Estimation of inertial peoperties of wind tunnel aircraft models Part I: Development of a computer programme Part II: Description of a rig and measurements on typical models (1982)

Nagarajan, V, Sundaramurthy, H

The report contains a description of a computer programme and a test rig for the determination of the mass, location of center of gravity and moments of inertia of wind tunnel aircraft models. The...

Ultrafast exciton relaxation in the B850 antenna complex of Rhodobacter sphaeroides

Nagarajan, V., Alden, R. G., Williams, J. C., Parson, W. W.

Spectral changes were measured with femtosecond resolution following low-intensity, broad-band excitation of the peripheral antenna complex of the purple photosynthetic bacterium Rhodobacter...

Specific alteration of the oxidation potential of the electron donor in reaction centers from Rhodobacter sphaeroides.

Lin, X, Murchison, H A, Nagarajan, V, Parson, W W, Allen, J P, Williams, J C

The effects of multiple changes in hydrogen bond interactions between the electron donor, a bacteriochlorophyll dimer, and histidine residues in the reaction center from Rhodobacter sphaeroides have...

Effect of specific mutations of tyrosine-(M)210 on the primary photosynthetic electron-transfer process in Rhodobacter sphaeroides.

Nagarajan, V, Parson, W W, Gaul, D, Schenck, C

We have measured the rate of the initial electron-transfer process as a function of temperature in reaction centers in a native strain of the photosynthetic bacterium Rhodobacter sphaeroides and two...

Direct selection of cloned DNA in Bacillus subtilis based on sucrose-induced lethality.

Bramucci, M G, Nagarajan, V

Expression of the Bacillus subtilis or Bacillus amyloliquefaciens sacB gene in the presence of sucrose is lethal for a variety of bacteria. Sucrose-induced lethality can be used to select for...

Secretion of streptavidin from Bacillus subtilis.

Nagarajan, V, Ramaley, R, Albertson, H, Chen, M

Streptavidin is an extracellular tetrameric protein produced by Streptomyces avidinii. A series of hybrid gene fusions consisting of Bacillus signal peptide coding regions fused to the mature...

Effect of alteration of charged residues at the N termini of signal peptides on protein export in Bacillus subtilis.

Chen, M, Nagarajan, V

The role of positively charged residues at the N termini of signal peptides in protein export has been studied in Bacillus subtilis. Bacillus signal peptides (alkaline protease [Apr] and neutral...

Chloramphenicol acetyltransferase, a cytoplasmic protein is incompatible for export from Bacillus subtilis.

Chen, M W, Nagarajan, V

Bacillus subtilis cells expressing a hybrid protein (Lvsss-Cat) consisting of the B. amyloliquefaciens levansucrase signal peptide fused to B. pumilus chloramphenicol acetyltransferase (Cat) are...

Effect of signal sequence alterations on export of levansucrase in Bacillus subtilis.

Borchert, T V, Nagarajan, V

A series of alterations in the Bacillus amyloliquefaciens levansucrase signal peptide were made by in vitro mutagenesis, and their effect on the secretion of levansucrase in Bacillus subtilis was...

Aflatoxin Production in Peanut Varieties by aspergillus flavus Link and Aspergillus parasiticus Speare

Nagarajan, V., Bhat, Ramesh V.

Levels of aflatoxin produced in peanuts differed with the genetic variety of plant and with the species and strain of invading fungus. Possibilities for identifying groundnut varieties partially...

Ultrafast exciton relaxation in the B850 antenna complex of Rhodobacter sphaeroides

Nagarajan, V., Alden, R. G., Williams, J. C., Parson, W. W.

Spectral changes were measured with femtosecond resolution following low-intensity, broad-band excitation of the peripheral antenna complex of the purple photosynthetic bacterium Rhodobacter...

Specific alteration of the oxidation potential of the electron donor in reaction centers from Rhodobacter sphaeroides.

Lin, X, Murchison, H A, Nagarajan, V, Parson, W W, Allen, J P, Williams, J C

The effects of multiple changes in hydrogen bond interactions between the electron donor, a bacteriochlorophyll dimer, and histidine residues in the reaction center from Rhodobacter sphaeroides have...

Effect of specific mutations of tyrosine-(M)210 on the primary photosynthetic electron-transfer process in Rhodobacter sphaeroides.

Nagarajan, V, Parson, W W, Gaul, D, Schenck, C

We have measured the rate of the initial electron-transfer process as a function of temperature in reaction centers in a native strain of the photosynthetic bacterium Rhodobacter sphaeroides and two...

Direct selection of cloned DNA in Bacillus subtilis based on sucrose-induced lethality.

Bramucci, M G, Nagarajan, V

Expression of the Bacillus subtilis or Bacillus amyloliquefaciens sacB gene in the presence of sucrose is lethal for a variety of bacteria. Sucrose-induced lethality can be used to select for...

Secretion of streptavidin from Bacillus subtilis.

Nagarajan, V, Ramaley, R, Albertson, H, Chen, M

Streptavidin is an extracellular tetrameric protein produced by Streptomyces avidinii. A series of hybrid gene fusions consisting of Bacillus signal peptide coding regions fused to the mature...

Effect of alteration of charged residues at the N termini of signal peptides on protein export in Bacillus subtilis.

Chen, M, Nagarajan, V

The role of positively charged residues at the N termini of signal peptides in protein export has been studied in Bacillus subtilis. Bacillus signal peptides (alkaline protease [Apr] and neutral...

Chloramphenicol acetyltransferase, a cytoplasmic protein is incompatible for export from Bacillus subtilis.

Chen, M W, Nagarajan, V

Bacillus subtilis cells expressing a hybrid protein (Lvsss-Cat) consisting of the B. amyloliquefaciens levansucrase signal peptide fused to B. pumilus chloramphenicol acetyltransferase (Cat) are...

Effect of signal sequence alterations on export of levansucrase in Bacillus subtilis.

Borchert, T V, Nagarajan, V

A series of alterations in the Bacillus amyloliquefaciens levansucrase signal peptide were made by in vitro mutagenesis, and their effect on the secretion of levansucrase in Bacillus subtilis was...

Aflatoxin Production in Peanut Varieties by aspergillus flavus Link and Aspergillus parasiticus Speare

Nagarajan, V., Bhat, Ramesh V.

Levels of aflatoxin produced in peanuts differed with the genetic variety of plant and with the species and strain of invading fungus. Possibilities for identifying groundnut varieties partially...