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Wyszukujesz frazę "Rajesh, N." wg kryterium: Autor

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Microwave Irradiation Effect on Structural, Optical, and Thermal Properties of Cadmium Oxide Nanostructure
    Autorzy:
    Rajesh, N.
    Kannan, J.
    Krishnakumar, T.
    Neri, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1198664.pdf
    Data publikacji:
    2014-05
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    81.07.-b
    68.37.Lp
    78.67.-n
    81.70.Jb
    Opis:
    Cadmium oxide nanostructures were prepared by microwave assisted wet chemical technique at different time intervals. Results on structural, optical, and thermal properties of the CdO nanostructures as a function of the microwave irradiation were reported. The X-ray diffraction data indicates that the sample showed perfection in the microstructural improvement as a function of microwave irradiation. Surface morphological changes with different time of microwave irradiation were recorded by transmission electron microscope and the particle size were found in the ranges from 5 to 30 nm. Chemical composition and thermal stability of the samples were analyzed by energy dispersive X-ray spectrum and thermogravimetric analysis, respectively. The band gaps were shifted towards the blue region due to the Moss-Burstein effect and it exhibited direct band transitions, which corresponds to optical band gaps of 3.92-4.20 eV and contrast behavior of optical properties of CdO nanostructure in UV and IR regions were registered. Room temperature photoluminescence spectra revealed that the intensity of luminescent emission tends to decrease with the increase in exposure of microwave irradiation.
    Źródło:
    Acta Physica Polonica A; 2014, 125, 5; 1229-1235
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Strategies of reducing the toxicity of sugar mill effluent by using biofertilizer inoculants
    Autorzy:
    Rajesh, M.
    Natarajan, K.
    Renish, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/11289.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Opis:
    The present investigation has been carried out on Tagetes erecta to search out the effect of sugar mill effluent on growth and yield. In-vivo conditions were set up for the experiment purpose. Pots were filled with soil and treated with different concentrations of sugar mill effluent i.e., 10, 25, 50, 75 and 100% on morphological parameters of test crop. Results of pot culture experiment showed that at 10 % concentrations of sugar mill effluent proved to better to the crops growth and thereafter the growth may reduce over control. In order to mitigate the effluent toxicity certain Biofertilizers inoculants were mixed to the soil along with the same effluent treatments. The study suggests that the Biofertilizers inoculants along with effluent irrigation proved to be better for plants growth.
    Źródło:
    International Letters of Natural Sciences; 2015, 05
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Growth and Characterization of Wide-Gap $Cd_{1-x}Zn_{x}Se$ Ternary Alloys by Using Electron Beam Evaporation Technique
    Autorzy:
    Suthagar, J.
    Rajesh, S.
    Perumal, K.
    Balasubramaniam, T.
    Suthan Kissinger, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/1538742.pdf
    Data publikacji:
    2010-03
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    71.55.Gs
    61.05.cp
    Opis:
    $Cd_{1-x}Zn_{x}Se$ films with different zinc content were deposited by electron beam evaporation technique onto glass substrates for the application of solid-state photovoltaic devices. The structural, surface morphological and optical properties of $Cd_{1-x}Zn_{x}Se$ films have been studied in the present work. The host material, $Cd_{1-x}Zn_{x}Se$, has been prepared by the physical vapor deposition method of electron beam evaporation technique under the pressure of 1 × $10^{-5}$ mbar. The X-ray diffractogram indicates that these alloy films are polycrystalline in nature, of hexagonal structure with strong preferential orientation of the crystallites along (002) direction. Linear variation of lattice constant with composition (x) is observed. Surface roughness measured by atomic force microscopy is used to estimate the interface roughness. The optical properties show that the band gap $(E_{g})$ values vary from 2.08 to 2.64 eV as zinc content varies from 0.2 to 0.8. The surface morphological studies show the very small, fine and hardly distinguishable grains smeared all over the surface. The material properties would be altered and excellently controlled by adiusting the system composition x.
    Źródło:
    Acta Physica Polonica A; 2010, 117, 3; 506-511
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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