Search Results - "Ajikumar, P. K."

Reactive pulsed laser deposition and characterization of niobium nitride thin films by Krishnan, R., David, C., Ajikumar, P.K., Dash, S., Tyagi, A.K., Jayaram, V., Raj, Baldev

“…We present a systematic study to explore the effect of important process variables on the composition and structure of niobium nitride thin films synthesized…”
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Synthesis of nanocrystalline ceria by thermal decomposition and soft-chemistry methods by Kamruddin, M., Ajikumar, P.K., Nithya, R., Tyagi, A.K., Raj, Baldev

“…Nanocrystalline ceria synthesized by different methods have been characterized using TGA-EGA-MS, XRD and HR-TEM. All samples showed stable cubic fluorite…”
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Wear and oxidation resistance of combustion CVD grown alumina films by Dhonge, Baban P., Mathews, Tom, Kumar, N., Ajikumar, P.K., Manna, I., Dash, S., Tyagi, A.K.

“…Alumina thin films were synthesized on Si (100) and Ni–20Cr substrates using combustion chemical vapor deposition. Aluminum acetylacetonate (0.005M) dissolved…”
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Ellipsometric studies on TiO2 thin films synthesized by spray pyrolysis technique by SUNDARI, S. Tripura, RAUT, N. C, MATHEWS, Tom, AJIKUMAR, P. K, DASH, S, TYAGI, A. K, RAJ, Baldev

“…TiO2 thin films were synthesized on quartz substrates at substrate temperatures of 350A degree C and 450A degree C by thermal spray pyrolysis technique using…”
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Ultra-low friction of TiC/a-C composite coatings by Kumar, N., Ajikumar, P.K., Dash, S., Kamruddin, M., Tyagi, A.K., Raj, Baldev

“…Ultra-low coefficient of friction with a statistically averaged value of 0.0067 was observed during the tribological test on TiC/a-C composite coating…”
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Kinetics of thermal decomposition of sodium methoxide and ethoxide by Chandran, K., Kamruddin, M., Ajikumar, P.K., Gopalan, A., Ganesan, V.

“…Sodium methoxide and sodium ethoxide were synthesized. Their thermal decomposition and reaction kinetics were investigated under non-isothermal and isothermal…”
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Microstructure Analysis of Silicon Nanowalls: Insights from Positron Beam Doppler Broadening Measurements by Lakshmanan, C., Viswanath, R. N., Behera, Anil K., Ajikumar, P. K., Rajaraman, R.

“…Silicon nanowalls atop the (100) – oriented boron doped P-type (1–10 Ω-cm) single crystalline silicon wafers were prepared using a metal assisted chemical…”
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Aging effects on vertical graphene nanosheets and their thermal stability by Ghosh, S., Polaki, S. R., Ajikumar, P. K., Krishna, N. G., Kamruddin, M.

“…The present study investigates environmental aging effects and thermal stability of vertical graphene nanosheets (VGN). Self-organized VGN is synthesized by…”
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Effect of water of crystallization on synthesis of nanocrystalline ceria by non-hydrolytic method by Kamruddin, M., Ajikumar, P.K., Nithya, R., Mangamma, G., Tyagi, A.K., Raj, Baldev

“…Nanocrystalline ceria has been synthesized by a non-hydrolytic method using organic solvent and precipitant. The effect of the source compound on final…”
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Thermal decomposition and kinetic analysis of sodium propoxides by Chandran, K., Kamruddin, M., Ajikumar, P.K., Gopalan, A., Ganesan, V.

“…Sodium n-propoxide and sodium iso-propoxides were synthesized and characterized. Thermal decomposition of these compounds was studied using thermogravimetric…”
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Surface nitridation of Ti and Cr in ammonia atmosphere by Ajikumar, P.K., Kamruddin, M., Nithya, R., Shankar, P., Dash, S., Tyagi, A.K., Raj, Baldev

“…Surface nitridation of pure Ti and Cr was carried out by exposing them to ammonia atmosphere at optimum temperatures in a thermogravimetric analyzer–mass…”
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Structural, Raman and photoluminescence studies on nanocrystalline diamond films: Effects of ammonia in feedstock by Ganesan, K., Ajikumar, P.K., Srivastava, S.K., Magudapathy, P.

“…Herein, we report on the improvement of structural quality and enhancement of photoluminescence (PL) emission for an optimally N doped nanocrystalline diamond…”
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Si and N - Vacancy color centers in discrete diamond nanoparticles: Raman and fluorescence spectroscopic studies by Ganesan, K., Ajikumar, P.K., Ilango, S., Mangamma, G., Dhara, S.

“…The present study reports on an innovative method to prepare discrete diamond nanoparticles or nanodiamonds (NDs) with high structural and optical quality…”
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Nanocrystalline and metastable phase formation in vacuum thermal decomposition of calcium carbonate by Dash, S, Kamruddin, M, Ajikumar, P.K, Tyagi, A.K, Raj, Baldev

“…Well characterised, polycrystalline powders of commercially procured CaCO 3 were thermally decomposed in the vacuum as well as in the flowing gas atmosphere…”
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Solid phase synthesis of hydrophobic difficult sequence peptides on BDDMA-PS support by Ajikumar, P. K., Devaky, K. S.

“…This article illustrates the successful and efficient solid phase assembly of hydrophobic difficult sequence peptides following both t‐Boc and Fmoc chemistry…”
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Thermogravimetry-evolved gas analysis-mass spectrometry system for materials research by Kamruddin, M, Ajikumar, P K, Dash, S, Tyagi, A K, Raj, Baldev

“…Thermal analysis is a widely used analytical technique for materials research. However, thermal analysis with simultaneous evolved gas analysis describes the…”
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Corrosion Behavior of Structural Materials in LiCl-KCl Molten Salt by Thermogravimetric Study by Rao, Ch Jagadeeswara, Shankar, A Ravi, Ajikumar, P K, Kamruddin, M, Mallika, C, Mudali, U Kamachi

“…Spent metallic fuel from future fast-breeder reactors would be processed by non-aqueous pyrochemical reprocessing. Different unit operations of pyrochemical…”
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Synthesis, characterization and evaluation of titanium carbonitride surface layers with varying concentrations of carbon and nitrogen by Ajikumar, P.K., Kamruddin, M., Kalavathi, S., Balamurugan, A.K., Kataria, S., Shankar, P., Tyagi, A.K.

“…Titanium carbonitride (TiCN) surface layers were grown by direct exposure of Ti to a gas mixture of ammonia and methane at 1050°C. TiCxN1−x coatings with…”
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Synthesis and characterization of nanocrystalline thoria obtained from thermally decomposed thorium carbonate by Dash, S., Singh, A., Ajikumar, P.K., Subramanian, H., Rajalakshmi, M., Tyagi, A.K., Arora, A.K., Narasimhan, S.V., Raj, Baldev

“…Nanocrystalline thoria was synthesized by temperature programmed decomposition of Th(CO 3) 2 in an evolved gas analysis mass spectrometer set-up. The…”
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Morphology and growth aspects of Cr(N) phases on gas nitridation of electroplated chromium on AISI 316 LN stainless steel by Ajikumar, P.K., Sankaran, Ananthi, Kamruddin, M., Nithya, R., Shankar, P., Dash, S., Tyagi, A.K., Raj, Baldev

“…A gas-phase nitridation procedure has been investigated using a home-assembled TGA-MS system to enhance the high-temperature hardness and wear resistance of…”
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