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Title: The ferroelectric-antiferroelectric transition in Pb[Zr0.9(CexTi1-x)0.1]O3 due to Ce4+ doping
Authors: Huang, H.
Guo, J.
Kong, L.B. 
Hng, H.H.
Oh, J.T.
Hing, P.
Tan, O.K.
Keywords: A. Ferroelectrics
C. Transmission electron microscopy
D. Phase transitions
Issue Date: Feb-2003
Citation: Huang, H., Guo, J., Kong, L.B., Hng, H.H., Oh, J.T., Hing, P., Tan, O.K. (2003-02). The ferroelectric-antiferroelectric transition in Pb[Zr0.9(CexTi1-x)0.1]O3 due to Ce4+ doping. Solid State Communications 125 (6) : 297-300. ScholarBank@NUS Repository.
Abstract: The effect of B-site substitution of Ce4+ on the microstructure of the Pb[Zr0.9(CexTi1-x)0.1]O3 (0 ≤ x ≤0.7) ceramics is studied by transmission electron microscopy (TEM). For x = 0, only 1/2{hkl} superlattice reflections are found in the selected area diffraction patterns (SADPs), which correspond to the anti-phase rotation of the oxygen octahedra. Small amount of Ce4+ substitution causes the in-phase tilting of the oxygen octahedra and results in the 1/2{hk0} superlattice reflections. With 7mol% addition of Ce4+ on the B-site, the superlattice reflections at the 1/4{hk0} pseudocubic positions can be observed, indicative of the existence of the antiferroelectric (AFE) phase. The result conforms to the polarization-electric field (P-E) hysteresis loop measurements on the corresponding bulk ceramic samples. © 2003 Elsevier Science Ltd. All rights reserved.
Source Title: Solid State Communications
ISSN: 00381098
DOI: 10.1016/S0038-1098(02)00848-7
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