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The effect of (Li,Ce) doping in aurivillius phase material Na0.25K0.25Bi4.5Ti4O15

Journal Article


Abstract


  • The effect of (Li,Ce) substitution at the A-site on the properties of Na0.25K0.25Bi4.5Ti4O15 (NKBT)-based ceramics was investigated. The piezoelectric coefficient d33 of the [(Na0.5K0.5)Bi]0.42(LiCe)0.04[]0.04Bi4Ti4O15 ceramic was found to be 25 pC N-1, the highest value of the NKBT-based ceramics, and almost twice the d33 values of pure NKBT ceramics (∼13 pC N-1). The thickness coupling factor kt was found to be 20%, which, together with the high TC (∼615 °C) and stable piezoelectric properties, suggests that (Li,Ce)-modified NKBT-based materials are promising candidates for high-temperature applications. © 2008 Acta Materialia Inc.

Publication Date


  • 2008

Citation


  • Gai, Z. G., Wang, J. F., Zhao, M. L., Sun, W. B., Sun, S. Q., Ming, B. Q., . . . Shrout, T. R. (2008). The effect of (Li,Ce) doping in aurivillius phase material Na0.25K0.25Bi4.5Ti4O15. Scripta Materialia, 59(1), 115-118. doi:10.1016/j.scriptamat.2008.02.053

Scopus Eid


  • 2-s2.0-43049110522

Start Page


  • 115

End Page


  • 118

Volume


  • 59

Issue


  • 1

Abstract


  • The effect of (Li,Ce) substitution at the A-site on the properties of Na0.25K0.25Bi4.5Ti4O15 (NKBT)-based ceramics was investigated. The piezoelectric coefficient d33 of the [(Na0.5K0.5)Bi]0.42(LiCe)0.04[]0.04Bi4Ti4O15 ceramic was found to be 25 pC N-1, the highest value of the NKBT-based ceramics, and almost twice the d33 values of pure NKBT ceramics (∼13 pC N-1). The thickness coupling factor kt was found to be 20%, which, together with the high TC (∼615 °C) and stable piezoelectric properties, suggests that (Li,Ce)-modified NKBT-based materials are promising candidates for high-temperature applications. © 2008 Acta Materialia Inc.

Publication Date


  • 2008

Citation


  • Gai, Z. G., Wang, J. F., Zhao, M. L., Sun, W. B., Sun, S. Q., Ming, B. Q., . . . Shrout, T. R. (2008). The effect of (Li,Ce) doping in aurivillius phase material Na0.25K0.25Bi4.5Ti4O15. Scripta Materialia, 59(1), 115-118. doi:10.1016/j.scriptamat.2008.02.053

Scopus Eid


  • 2-s2.0-43049110522

Start Page


  • 115

End Page


  • 118

Volume


  • 59

Issue


  • 1