• DocumentCode
    2885260
  • Title

    Effect of Bi2O3 as sintering aid in modifying the NTC characteristics of MnCr2O4 compositions for temperature sensors

  • Author

    Stella, K.A. ; Krishnankutty, K. ; Dayas, K.R. ; Seema, A.

  • Author_Institution
    University of Calicut, Department of Chemistry, India
  • fYear
    2012
  • fDate
    7-10 March 2012
  • Firstpage
    301
  • Lastpage
    304
  • Abstract
    Densification process of Mn-Cr-O negative temperature coefficient (NTC) ceramic compositions in presence of Bi2O3 as a sintering aid and also as a dopant was studied. Bi2O3 (3.8mole %) decreased the sintering temperature of the phase pure MnxCr3−xO4 compositions and obtained more than 95% of theoretical density. Electrical characteristics of the compositions were evaluated and it is found that Bi2O3 addition improved NTC properties, thus making these more suitable as temperature sensor.
  • Keywords
    Thermistor; electrical characteristics; sintering aid;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Physics and Technology of Sensors (ISPTS), 2012 1st International Symposium on
  • Conference_Location
    Pune, India
  • Print_ISBN
    978-1-4673-1040-6
  • Type

    conf

  • DOI
    10.1109/ISPTS.2012.6260953
  • Filename
    6260953
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2885260