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  1. No Access

    Article

    Effect of Long Range Interaction on Diffusion in Cu/NiFe TernaryAlloy Composition Modulated Thin Films

    Composition modulated (with wavelengths between 1.6 to 4.98 nm) Cu/NiFe ternary alloy thin films containing 53 at % Cu, 40 at % Ni, and 7 at % Fe were prdduced by the vapor-phase growth technique. The inter-di...

    Jharna Chaudhuri, Thomas Tsakalakos in MRS Online Proceedings Library (1984)

  2. No Access

    Article

    Strain Map** in InGaAsP Epitaxial Films by an X-Ray Diffraction Technique

    A new x-ray diffraction method is developed to determine the full elastic strain tensor and its distribution about a strain center in single crystal materials. It is based on the recently developed Computer Ai...

    Jharna Chaudhuri, William E. Mayo, Sigmund Weissmann in MRS Online Proceedings Library (1985)

  3. No Access

    Article

    High Resolution Transmission Electron Microscopy Study of Thermal Oxidation of Single Crystalline Aluminum Nitride

    The impact of process conditions and crystal properties on the structure of thermal oxides formed on AlN were determined by high resolution transmission electron microscopy (HRTEM). Oxidation for 2 hours at bo...

    Jharna Chaudhuri, Rac Gyu Lee, Luke Owuor Nyakiti… in MRS Online Proceedings Library (2007)

  4. No Access

    Article

    Defect Selective Etching of Thick Aln Layers Grown on 6H-Sic Seeds – A Transmission Electron Microscopy Study

    In the present study, the type and densities of defects in AlN crystals grown on 6H-SiC seeds by the sublimation-recombination method were assessed. The positions of the defects in AlN were first identified by...

    Luke Owuor Nyakiti, Jharna Chaudhuri, Ed A. Kenik… in MRS Online Proceedings Library (2008)

  5. No Access

    Article

    Transmission Electron Microscopy Study of Interface Region of Aln / 6H-Sic

    Transmission electron microscopy (TEM) study was performed to investigate the interface region of AlN/6H-SiC. Thick AlN layers were grown on a 3.5° off-axis 6H-SiC substrate at a temperature of 1790 °C for 100...

    Jharna Chaudhuri, Luke Owuor Nyakiti, Peng Lu… in MRS Online Proceedings Library (2008)

  6. No Access

    Article

    Effect of Cr-do** on the structural and optical properties of CdS nanoparticles prepared by chemical precipitation method

    Undoped and Cr doped CdS nanoparticles have been prepared by chemical precipitation method. X-ray diffraction analysis reveals that the undoped and Cr doped CdS nanoparticles exhibit hexagonal structure and th...

    M. Thambidurai, N. Muthukumarasamy… in Journal of Materials Science: Materials in… (2012)

  7. No Access

    Article

    Facile Synthesis and Effect of Eu, Tb Co-do** On the Tunable Luminescent Properties of YBO3

    Eu3+/Tb3+co-doped YBO3 three-dimensional (3D) microstructures have been hydrothermally prepared by adjusting solvent and the molar ratio of Y3+ to B (Y/B) at 180 °C. The whole process was carried out under alkali...

    **anwen Zhang, Archis Marathe, Sandeep Sohal, Mark Holtz… in MRS Online Proceedings Library (2013)

  8. No Access

    Article

    In-situ crystal growth and photoluminescence properties of YBO3: Tb3+ microstructures

    Three-dimensional (3D) YBO3:Tb3+ flower-like and dense flower-like hierarchitecture constituted of nanoflakes are solvothermally synthesized in the presence of polyborate precursors in the mixture of ethanol and ...

    **anwen Zhang, **n Zhang, Zhi Zhao, Jharna Chaudhuri in Journal of Materials Science (2015)