High intrinsic permittivity in Na[sub 1∕2] Bi[sub 1∕2] Cu[sub 3] Ti[sub 4] O[sub 12]

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FERRARELLI, Matthew C., ADAMS, Timothy B., FETEIRA, Antonio, SINCLAIR, Derek C. and WEST, Anthony R. (2006). High intrinsic permittivity in Na[sub 1∕2] Bi[sub 1∕2] Cu[sub 3] Ti[sub 4] O[sub 12]. Applied Physics Letters, 89 (21), p. 212904. [Article]

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Abstract

The electrical properties of Na1/2Bi1/2Cu3Ti4O12 (NBCTO) ceramics between ∼ 8 and 400 K are electrically inhomogeneous, consisting of semiconducting grains and insulating grain boundaries, similar to isostructural CaCu3Ti4O12 (CCTO); however, the intrinsic permittivity of NBCTO of ∼ 250 at 10 K is much higher compared to ∼ 110 for CCTO. Possible explanations for this high intrinsic permittivity are discussed

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Official URL:

http://dx.doi.org/10.1063/1.2388251

Research Institute, Centre or Group - Does NOT include content added after October 2018:

Materials and Engineering Research Institute > Structural Materials and Integrity Research Centre > Centre for Corrosion Technology

Page Range:

p. 212904

Identifiers

Identification Number:

10.1063/1.2388251

ORCID for Antonio Feteira: