Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Shreenu Pattanaik"'
Autor:
Shreenu Pattanaik, Jyoshnarani Mohapatra, Urmishree Routray, Dilip Kumar Mishra, V.V. Srinivasu, Bijaylaxmi Biswal
Publikováno v:
Materials Today: Proceedings. 35:141-144
Among the semiconducting materials, ZnO is a versatile multifunctional candidate with a direct band gap of 3.37 eV at 300 K and large excitonic binding energy of 60 meV which can be useful for spintronics device applications. ZnO has high solubility
Autor:
S. K. Pradhan, R. Sakthivel, Dilip Kumar Mishra, Satyabadi Martha, Shreenu Pattanaik, Sachindra Nath Sarangi, Geetikamayee Padhy
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 33:1463-1471
A series of Zr1-xNixO2 nanocrystalline powders were synthesized by chemical route and then calcined at 750 °C for 5 h. A mixed phase of monoclinic and tetragonal phase of ZrO2 has been observed in XRD patterns and Raman studies. The tetragonal phase
Publikováno v:
Materials Today: Proceedings. 35:79-81
Zn1-xCuxO (0 ≤ x ≤ 1) polycrystalline samples were prepared by solid state reaction route and then irradiated with 1.2 MeV argon ions at a fluence value of 1.1 × 1016 ions/cm2. The samples were characterized by X-ray diffraction, Raman spectrosc
Autor:
Sekhar C. Ray, Shreenu Pattanaik, Ratnamala Chatterjee, D. Kanjilal, Pravin Kumar, Manoj K. Sharma, Dilip Kumar Mishra, S. Dash
Publikováno v:
Journal of Nanoscience and Nanotechnology. 17:8494-8499
300 keV Xe ions were implanted in single crystals of ZnO at room temperature with three fluences viz. 4.9 × 1015, 8.1 × 1015 and 1.1 × 1016 ions/cm2. The Xe ion implanted ZnO samples were characterized by UV-Vis spectroscopy, X-ray photo-electron
Publikováno v:
Inorganic Chemistry Communications. 118:108042
Mixed magnetic feature of paramagnetism and ferromagnetism at room temperature has been observed in annealed powders of nanocrystalline zirconia within a temperature range of 650 °C to 1050 °C. The abundant defect states such as, oxygen vacancies a
Autor:
R. Sakthivel, Shreenu Pattanaik, Ratnamala Chatterjee, Dilip Kumar Mishra, Satyabadi Martha, S. K. Pradhan, Manoj K. Sharma
Publikováno v:
Journal of Magnetism and Magnetic Materials. 494:165768
A series of nanocrystalline Zr1-xMnxO2 (0.005 ≤ x ≤ 0.02) samples were prepared by chemical route and further annealed at 750 °C for 5 h. All the prepared samples are in mixed phase of monoclinic and tetragonal form. However, the tetragonal phas
Autor:
Mbule Pontsho, Shreenu Pattanaik, Sekhar C. Ray, W. F. Pong, B. Ghosh, Dilip Kumar Mishra, Sweety Sarma
Publikováno v:
Journal of Physics D: Applied Physics. 51:095304
Publikováno v:
International Journal of Nano and Biomaterials. 7:113
Zirconium dioxide (zirconia) nanoparticle with monoclinic structure is successfully synthesised by chemical route, i.e., pyrophoric method from aqueous solution of ZrOCl2.8H2O and triethanol amine. The structural and optical properties of the anneale
Autor:
B Ghosh, Sekhar C Ray, Shreenu Pattanaik, Sweety Sarma, Dilip K Mishra, Mbule Pontsho, W F Pong
Publikováno v:
Journal of Physics D: Applied Physics; 3/07/2018, Vol. 51 Issue 9, p1-1, 1p