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  1. Article

    Open Access

    Ultraviolet and Infrared luminescent Au-rich nanostructure growth in SiO2 by burrowing and inverse Oswald ripening process

    We study the evolution of nanoparticle morphology through successive stages when Au-Si bilayer on SiO2 is irradiated with 500 keV Xe-ions and resulting luminescence in the UV, Visible and infrared range. An array...

    D. P. Datta, A. Chettah, Arpan Maiti, B. Satpati, P. K. Sahoo in Scientific Reports (2019)

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  2. Article

    Open Access

    Light Emitting Spin Active Electronic States in Ultra-Thin Mn Doped CdSe Layered Nanosheets

    The layered nanosheets exhibit a variety of physical and optical properties originating from amalgamation of intra- and inter- layer electronic interactions, which makes them promising materials for advanced d...

    O. Halder, B. Satpati, P. Rajput, N. Mohapatra, S. N. Jha… in Scientific Reports (2019)

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  3. Article

    Microstructural Investigation, Raman and Magnetic Studies on Chemically Synthesized Nanocrystalline Ni-Doped Gadolinium Oxide (Gd1.90Ni0.10O3−δ)

    Nanocrystalline Ni-doped gadolinium oxide (Gd1.90Ni0.10O3−δ, GNO) is synthesized by co-precipitation method. The as-prepared sample is annealed in vacuum at 700°C for 6 h. Analyses of the x-ray diffractogram by R...

    B. J. Sarkar, J. Mandal, M. Dalal, A. Bandyopadhyay… in Journal of Electronic Materials (2018)

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  4. Article

    Open Access

    Evidence of Formation of Superdense Nonmagnetic Cobalt

    Because of the presence of 3d transition metals in the Earth’s core, magnetism of these materials in their dense phases has been a topic of great interest. Theory predicts a dense face-centred-cubic phase of coba...

    Nasrin Banu, Surendra Singh, B. Satpati, A. Roy, S. Basu… in Scientific Reports (2017)

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  5. No Access

    Article

    Effect of ion beam parameters on engineering of nanoscale voids and their stability under post-growth annealing

    Swift heavy ion (SHI) irradiation of damaged germanium (d-Ge) layer results in porous structure with voids aligned along ion trajectory due to local melting and resolidification during high electronic energy d...

    Sonu Hooda, S. A. Khan, B. Satpati, D. Stange, D. Buca, M. Bala… in Applied Physics A (2016)

  6. No Access

    Article

    High-Temperature Corrosion Behavior of Different Regions of Weldment of 2.25Cr-1Mo Steel in SO2 + O2 Atmosphere

    This paper investigates the corrosion behavior of different regions of weldment of 2.25Cr-1Mo steel exposed in mixed oxidation and sulfidation (SO2 + O2) environment up to 500 h at 773 K. Microstructural investig...

    D. Ghosh, A. K. Shukla, S. K. Mitra… in Journal of Materials Engineering and Perfo… (2016)

  7. No Access

    Article

    Structural and optical characterization of thick and thin polycrystalline diamond films deposited by microwave plasma activated CVD

    Preliminary results of growth of thin diamond film in a recently installed 3 kW capacity microwave plasma activated CVD (MW-PACVD) system are being reported. The films were deposited on Si (100) substrate at 8...

    S K PRADHAN, B SATPATI, B P BAG, T SHARDA in Bulletin of Materials Science (2012)

  8. No Access

    Article

    Effect of cerium addition on microstructure and mechanical properties of Al-Zn-Mg-Cu alloy

    Effect of cerium addition on the microstructure and mechanical properties of an Al-Zn-Mg-Cu alloy have been investigated. In this study, aluminum alloys with up to 0.4% cerium content have been prepared by mel...

    A. K. Chaubey, S. Mohapatra, K. Jayasankar… in Transactions of the Indian Institute of Me… (2009)

  9. No Access

    Chapter and Conference Paper

    Transmission Electron Microscopy Study of Sb-Based Quantum Dots

    We have investigated the structural properties of InSb quantum dots (QDs) on top of GaSb and embedded in GaSb barrier layers. The InSb QDs were grown by molecular beam epitaxy (MBE) applying conventional growt...

    B Satpati, V Tasco, N Deguffroy, A N Baranov… in Microscopy of Semiconducting Materials 2007 (2008)

  10. No Access

    Article

    Carrier-controlled ferromagnetism in transparent oxide semiconductors

    The search for an ideal magnetic semiconductor with tunable ferromagnetic behaviour over a wide range of do** or by electrical gating is being actively pursued as a major step towards realizing spin electron...

    J. Philip, A. Punnoose, B. I. Kim, K. M. Reddy, S. Layne, J. O. Holmes… in Nature Materials (2006)

  11. No Access

    Article

    Gettering of implanted Au in MeV?C implanted Si

    The gettering behavior of 1 MeV?C implantation induced defects for Au (1.5 MeV, 2.2×1015 cm-2), implanted into FZ Si(111), has been investigated using Rutherford backscattering spectrometry and cross-sectional tr...

    S. Mohapatra, B. Joseph, B. Satpati, D.P. Mahapatras in Applied Physics A (2006)

  12. No Access

    Article

    Nanoscale ion-beam mixing in Au–Si and Ag–Si eutectic systems

    MeV ion induced mixing in the nanoscale regime for Au and Ag nanoislands on silicon substrates has been studied. Au and Ag nanoislands are grown on silicon substrates at room temperature and irradiated with 1....

    B. Satpati, P.V. Satyam, T. Som, B.N. Dev in Applied Physics A (2004)

  13. No Access

    Article

    Surface and Interface Characterization of Ion Beam Re-crystallized Si

    In the present work we have studied efficacy of ion beam induced epitaxial crystallization (IBIEC) to recover amorphous layers (300 – 350 nm) produced by MeV Kr ions in Si(100) and studied the associated chang...

    P. K. Sahoo, B. Satpati, S. Dey, P. V. Satyam, T. Som… in MRS Online Proceedings Library (2003)