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  1. No Access

    Article

    Effect of non-isoelectronic cation substitution on lattice parameters of barium sodium niobate

    Ceramic samples of Ba2 NaNb5O15, with the cations selectively substituted by Gd or Cr, showed that the changes in their orthorhombic lattice parametersa, b, andc were linearly correlated to each other. The change...

    Jahar L. Mukherjee, Chandra P. Khattak, Kedar P. Gupta… in Journal of Materials Science (1978)

  2. No Access

    Article

    A scanning electron microscopic examination of sintered barium sodium niobate

    Kedar P. Gupta, Richard W. Siegel, Franklin F. Y. Wang in Journal of Materials Science (1974)

  3. No Access

    Article

    Phase transformation in the oxides

    This paper reviews phase transformations in the oxides, and briefly examines the similarities and dissimilarities with the phase transitions in metals. A few topics selected for the discussion, include, displa...

    Franklin F. Y. Wang, Kedar P. Gupta in Metallurgical Transactions (1973)