Browsing by Author "Correia, T. M."

Browsing by Author "Correia, T. M."

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  • Characterisation of lead barium zirconate thin films for utilisation of the electrocaloric effect 
    Shaw, Christopher P.; Zhang, Qi; Correia, T. M.; Weaver, P. M. (Elsevier, 2016-05-09)
    Characterisation of a composition of Lead Barium Zirconate thin films deposited by a spin coating sol-gel process onto platinised silicon substrates has been undertaken to investigate a potential application utilising the ...
  • High tunable dielectric response of Pb0.87Ba0.1La0.02 (Zr0.6Sn0.33Ti0.07) O3 thin film 
    Correia, T. M.; Zhang, Qi (American Institute of Physics, 2010-08-15)
    The permittivity maximum of a sol-gel derived Pb0.87Ba0.1La0.02 (Zr0.6Sn0.33Ti0.07) O3 (PBLZST) thin film was observed to appear at Tm=70 ºC rather than at 40 ºC as observed in the bulk ceramics with the same ...
  • Investigation of electrocaloric effect in PMN-PT relaxor thin films 
    Correia, T. M.; Young, J. S.; Whatmore, Roger W.; Scott, J. F.; Nathur, N. D.; Zhang, Qi (American Institute of Physics, 2009-12-31)
    Permittivity measurements of a 0.93PMN-0.07PT thin film show a broad maximum near 35 ºC, and an anomaly at the depolarizing temperature Td = 18 ºC on heating only, suggesting a dipolar glass-relaxor phase transition. No ...
  • Investigation of the electrocaloric effect in a PbMg2/3Nb1/3O3-PbTiO3 relaxor thin film 
    Correia, T. M.; Young, J. S.; Whatmore, Roger W.; Scott, J. F.; Mathur, N. D.; Zhang, Qi (American Institute of Physics, 2009-05)
    Permittivity measurements of a 0.93PMN-0.07PT thin film show a broad maximum near 35 °C, and an anomaly at the depolarizing temperature Td = 18 °C on heating only, suggesting a dipolar glass-relaxor phase transition. No ...
  • PST thin films for electrocaloric coolers 
    Correia, T. M.; Kar-Narayan, S.; Young, J. S.; Scott, J. F.; Mathur, N. D.; Whatmore, Roger W.; Zhang, Qi (Iop Publishing Ltd, 2011-04-07)
    Relaxor behaviour in a thin film of partially ordered PbSc0.5Ta0.5O3 (PST) was confirmed via slim P-E loops and the frequency dependence of the temperature at which the dielectric constant is maximum. Indirect measurements ...
  • Thickness-dependent electrocaloric effect in mixed-phase Pb0.87Ba0.1 La0.02 (Zr0.6Sn0.33Ti0.07) O3 thin films 
    Correia, T. M.; Zhang, Qi (The Royal Society, 2016-07-11)
    Full-perovskite Pb0.87Ba0.1La0.02(Zr0.6Sn0.33Ti0.07)O3 (PBLZST) thin films were fabricated by a sol–gel method. These revealed both rhombohedral and tetragonal phases, as opposed to the full-tetragonal phase previously ...