TY - GEN
T1 - Doped cobalt ferrites for stress sensor applications
AU - Rao, G. S.N.
AU - Ananda Kumar, S.
AU - Rao, K. H.
AU - Parvatheeswara Rao, B.
AU - Gupta, A.
AU - Caltun, O.
AU - Dumitru, I.
AU - Kim, Cheol Gi
PY - 2007
Y1 - 2007
N2 - The development of new magnetoelastic materials, suitable for use in magnetic stress sensors, has a high scientific and technological interest due to growing number of possible applications in automotive industry. In this study, a series of silicon-doped cobalt ferrite samples with compositions of CoSi xFe2-xO4 were prepared by substituting silicon for iron. The samples were made using standard powder ceramic technique. The spinel structure and the presence of residual phases were checked by XRD analysis. To determine the influence of the substitution on the strength of the magnetic exchange interactions, Curie temperature (Tc) measurements were made. A dramatic decrease of Tc with the substitution of Si for Fe was observed. By adjusting the silicon content and the sintering process the material properties could be optimized for industrial application.
AB - The development of new magnetoelastic materials, suitable for use in magnetic stress sensors, has a high scientific and technological interest due to growing number of possible applications in automotive industry. In this study, a series of silicon-doped cobalt ferrite samples with compositions of CoSi xFe2-xO4 were prepared by substituting silicon for iron. The samples were made using standard powder ceramic technique. The spinel structure and the presence of residual phases were checked by XRD analysis. To determine the influence of the substitution on the strength of the magnetic exchange interactions, Curie temperature (Tc) measurements were made. A dramatic decrease of Tc with the substitution of Si for Fe was observed. By adjusting the silicon content and the sintering process the material properties could be optimized for industrial application.
UR - https://www.scopus.com/pages/publications/34548137646
U2 - 10.1109/NEMS.2007.352231
DO - 10.1109/NEMS.2007.352231
M3 - Conference contribution
AN - SCOPUS:34548137646
SN - 1424406102
SN - 9781424406104
T3 - Proceedings of the 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007
SP - 1186
EP - 1189
BT - Proceedings of the 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007
PB - IEEE Computer Society
T2 - 2007 2nd IEEE International Conference on Nano/Micro Engineered and Molecular Systems, IEEE NEMS 2007
Y2 - 16 January 2007 through 19 January 2007
ER -