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https://doi.org/10.1016/0025-5408(90)90002-J

has been cited by the following article:

• TITLE: Effect of Strontium Substitution on Impedance Properties of Ba5GdTi3V7O30 Ceramics

  AUTHORS: Bana Bihari Mohanty, Priyadarshini Sanghamitra Sahoo, Bala Krushna Giri, Jagata Nanda Panda, Ram Naresh Prasad Choudhary

  KEYWORDS: Ferroelectrics, Complex Impedance Spectroscopy, Electrical Conduction, Modulus Spectroscopy

  JOURNAL NAME: Journal of Modern Physics, Vol.9 No.4, March 21, 2018

  ABSTRACT: A series of compounds Ba5-xSrxGdTi3V7O30 (x = 0 - 5), belonging to tungsten bronze family were prepared by a high-temperature solid-state reaction route. Using X-Ray diffraction technique and Scanning Electron Micrograph, the formation and surface morphology of the compounds were studied. The X-Ray diffraction study informs the formation of single-phase orthorhombic structures. The substitution of Sr ion with increasing concentration in the compounds as per formula resulted in a variation of the electrical properties. Study of electrical properties using impedance analyzer exhibits: 1) the presence of negative temperature coefficients of resistance (NTCR) behavior; 2) presence of temperature dependent electrical relaxation phenomena; 3) evidences of single electrical relaxation attributed to the presence of bulk contribution to the electrical properties for pure Ba5GdTi3V7O30 compound; 4) an enhancement in the barrier to the mobility of charge carriers on Sr-substitution. The effects of Sr on changes in the electrical conductivity as a function of temperature at different frequency are described based on impedance spectrum analysis.