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|Title:||Epitaxial growth and ferroelectric properties of Pb(Zr0.52Ti0.48)O3/SrRuO3 heterostructures on exact SrTiO3(0 0 1) substrates|
|Keywords:||A3. Laser epitaxy|
B2. Ferroelectric materials
|Citation:||Zhu, T.J., Lu, L., Zhao, X.B., Ji, Z.G., Ma, J. (2006-06-01). Epitaxial growth and ferroelectric properties of Pb(Zr0.52Ti0.48)O3/SrRuO3 heterostructures on exact SrTiO3(0 0 1) substrates. Journal of Crystal Growth 291 (2) : 385-389. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jcrysgro.2006.03.027|
|Abstract:||High quality Pb(Zr0.52Ti0.48)O3/SrRuO3 (PZT/SRO) perovskite oxide heterostructures have been grown on polished as-received (0 0 1) SrTiO3 substrates without any further treatment by pulsed laser deposition. X-ray diffraction θ-2θ and ω scans showed that the heterostructures had good (0 0 l) out-of-plane orientation and crystalline quality with the full-width at half-maximum values of rocking curves of only 0.04° and 0.2° for the SRO and PZT films, respectively. Transmission electron microscopy observation confirmed the epitaxial nature of the heterostructures. The SRO films showed a periodic step-terrace topography structure with an atomically flat surface, indicating step-flow growth mode, while the PZT films grew by island growth mechanism. The polarization-electric field hysteresis measurement showed that the remnant polarization Pr and the coercive field Ec at 5 V were 42 μC/cm2 and 135 kV/cm, respectively. © 2006 Elsevier B.V. All rights reserved.|
|Source Title:||Journal of Crystal Growth|
|Appears in Collections:||Staff Publications|
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