Search Results - "KUMAR, N. C"

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  1. 1

    Evolution of Glassy Carbon Microstructure: In Situ Transmission Electron Microscopy of the Pyrolysis Process by Sharma, Swati, Shyam Kumar, C. N., Korvink, Jan G., Kübel, Christian

    Published in Scientific reports (02-11-2018)
    “…Glassy carbon is a graphene-rich form of elemental carbon obtained from pyrolysis of polymers, which is composed of three-dimensionally arranged, curved…”
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  2. 2

    Polyaramid-Based Flexible Antibacterial Coatings Fabricated Using Laser-Induced Carbonization and Copper Electroplating by Mamleyev, Emil R, Falk, Fabian, Weidler, Peter G, Heissler, Stefan, Wadhwa, Sagar, Nassar, Omar, Shyam Kumar, C. N, Kübel, Christian, Wöll, Christof, Islam, Monsur, Mager, Dario, Korvink, Jan G

    Published in ACS applied materials & interfaces (25-11-2020)
    “…A method for the fabrication of flexible electrical circuits on polyaramid substrates is presented based on laser-induced carbonization followed by copper…”
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    Tungsten particle reinforced Al 5083 composite with high strength and ductility by Bauri, Ranjit, Yadav, Devinder, Shyam Kumar, C.N., Balaji, B.

    “…Tungsten particles were incorporated into an Al 5083 matrix by friction stir processing (FSP). FSP resulted in uniform dispersion of the tungsten particles…”
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  5. 5

    Graphitizability of Polymer Thin Films: An In Situ TEM Study of Thickness Effects on Nanocrystalline Graphene/Glassy Carbon Formation by Shyam Kumar, C. N., Possel, Clemens, Dehm, Simone, Chakravadhanula, Venkata Sai Kiran, Wang, Di, Wenzel, Wolfgang, Krupke, Ralph, Kübel, Christian

    Published in Macromolecular materials and engineering (01-01-2024)
    “…Polymer pyrolysis has emerged as a versatile method to synthesize graphenoid (graphene like) materials with varying thickness and properties. The morphology of…”
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  6. 6

    High-sensitivity detection of TNT by Pushkarsky, Michael B, Dunayevskiy, Ilya G, Prasanna, Manu, Tsekoun, Alexei G, Go, Rowel, Patel, C. Kumar N

    “…We report high-sensitivity detection of 2,4,6-trinitrotoluene (TNT) by using laser photoacoustic spectroscopy where the laser radiation is obtained from a…”
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  7. 7

    λ~7.1 μm quantum cascade lasers with 19% wall-plug efficiency at room temperature by Maulini, Richard, Lyakh, Arkadiy, Tsekoun, Alexei, Patel, C Kumar N

    Published in Optics express (29-08-2011)
    “…Strain-balanced In0.6Ga0.4As/Al0.56In0.44As quantum cascade lasers emitting at a wavelength of 7.1 μm are reported. The active region is based on a…”
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  8. 8

    Direct Conversion of CO2 to Multi‐Layer Graphene using Cu–Pd Alloys by Molina‐Jirón, Concepción, Chellali, Mohammed Reda, Kumar, C. N. Shyam, Kübel, Christian, Velasco, Leonardo, Hahn, Horst, Moreno‐Pineda, Eufemio, Ruben, Mario

    Published in ChemSusChem (08-08-2019)
    “…A straightforward one‐step process was developed, in which CO2 gas is directly converted into multi‐layer graphene via atmospheric pressure chemical vapor…”
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    Sub-Parts-Per-Billion Level Detection of NO₂ Using Room-Temperature Quantum Cascade Lasers by Pushkarsky, Michael, Tsekoun, Alexei, Dunayevskiy, Ilya G., Go, Rowel, Patel, C. Kumar N.

    “…We report the sub-parts-per-billion-level detection of NO₂ using tunable laser-based photoacoustic spectroscopy where the laser radiation is obtained from a…”
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  11. 11

    Vitamin D deficiency as an etiological factor in delayed eruption of primary teeth: A cross-sectional study by Jairam, Lalitha, Konde, Sapna, Raj, N, Kumar, N

    “…Context: Delayed tooth eruption might be the primary or sole manifestation of local or systemic pathology. Aims: The aim of the study was to correlate Vitamin…”
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  12. 12

    Geochemical and isotopic signatures of surficial sediments from the western continental shelf of India; inferring provenance, weathering, and the nature of organic matter by Kurian, Siby, Nath, B. Nagender, Kumar, N. Chandramohana, Nair, K. K. C

    Published in Journal of sedimentary research (01-06-2013)
    “…Bottom sediments from thirteen transects sampled mainly at depth contours of 30, 100, and 200 m along the western continental margin of India, falling in two…”
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  13. 13

    Correlation of Breath Ammonia with Blood Urea Nitrogen and Creatinine during Hemodialysis by Narasimhan, L. R., Goodman, William, C. Kumar N. Patel

    “…We have spectroscopically determined breath ammonia levels in seven patients with end-stage renal disease while they were undergoing hemodialysis at the…”
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    Semirational and symbiotic self-similar rogue waves in a (2+1)-dimensional graded-index waveguide by De, Kanchan Kumar, Raju, Thokala Soloman, Kumar, C. N., Panigrahi, Prasanta K.

    Published in Journal of modern optics (03-07-2016)
    “…We have investigated the ( )-dimensional variable coefficient-coupled nonlinear Schrödinger equation (vc-CNLSE) in a graded-index waveguide. Similarity…”
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  16. 16

    High-performance continuous-wave room temperature 4.0-μm quantum cascade lasers with single-facet optical emission exceeding 2 W by Lyakh, A, Maulini, R, Tsekoun, A, Go, R, Von der Porten, S, Pflügl, C, Diehl, L, Capasso, Federico, Patel, C. Kumar N

    “…A strain-balanced, AlInAs/InGaAs/InP quantum cascade laser structure, designed for light emission at 4.0 μm using nonresonant extraction design approach, was…”
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  17. 17

    Effects of ball milling and particle size on microstructure and properties 5083 Al–Ni composites fabricated by friction stir processing by Shyam Kumar, C.N., Yadav, Devinder, Bauri, Ranjit, Janaki Ram, G.D.

    “…Ni particles were incorporated in a 5083 Al alloy matrix by friction stir processing (FSP) to fabricate metal particle reinforced composite. During the…”
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  18. 18

    Dry adhesives from carbon nanofibers grown in an open ethanol flame by Lutz, Christian, Syurik, Julia, Shyam Kumar, C N, Kübel, Christian, Bruns, Michael, Hölscher, Hendrik

    “…Based on magnetic-field-assisted growth of carbon nanofibers in an open ethanol flame we fabricated arrays of carbon nanofibers with different degrees of…”
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  19. 19

    A baseline study of trace metals in a coral reef sedimentary environment, Lakshadweep Archipelago by Gopinath, Anu, Nair, S. M., Kumar, N. C., Jayalakshmi, K. V., Pamalal, D.

    Published in Environmental earth sciences (2010)
    “…Surficial and core samples collected from the sedimentary microenvironments of Lakshadweep Archipelago were analysed for their trace metal contents. The…”
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  20. 20

    Nanocrystalline graphene at high temperatures: insight into nanoscale processes by Kumar, C. N. Shyam, Konrad, Manuel, Chakravadhanula, Venkata Sai Kiran, Dehm, Simone, Wang, Di, Wenzel, Wolfgang, Krupke, Ralph, Kübel, Christian

    Published in Nanoscale advances (09-07-2019)
    “…During high temperature pyrolysis of polymer thin films, nanocrystalline graphene with a high defect density, active edges and various nanostructures is…”
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