Synthesis of the ferroelectric solid solution, Pb(Zr1-xTix)O-3 on a single substrate using a modified molecular beam epitaxy technique
Anderson, P.S., Guerin, S., Hayden, B.E., Khan, M.A., Bell, A.J., Han, Y., Pasha, A., Whittle, K.R. and Reaney, I.M. (2007) Synthesis of the ferroelectric solid solution, Pb(Zr1-xTix)O-3 on a single substrate using a modified molecular beam epitaxy technique. Applied Physics Letters, 90, (20)
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High-throughput synthesis of the ferroelectric solid solution Pb(Zr1-xTix)O3 (PZT) on single Pt/Ti/SiO2/Si substrates was demonstrated using a modified molecular beam epitaxy (MBE) system. The PZT films exhibited a phase transition from rhombohehdral (R) to tetragonal (T) symmetry as a function of Zr:Ti ratio, across the substrate diagonal. This was consistent with the presence of a morphotropic phase boundary (MPB) at a Zr:Ti ratio of 0.64:0.36, different from the value of 0.53:0.47 observed for bulk ceramics. All points on the films exhibited ferroelectric hysteresis loops. The results demonstrate the feasibility of high-throughput MBE for deposition of complex ferroelectric oxides, and pave the way for further materials discovery, in particular Pb-free piezoceramics.
|Keywords:||high-throughput synthesis, lead-zirconate-titanate, raman-spectroscopy, gel, pzt thin-films|
Q Science > QD Chemistry
|Divisions:||University Structure - Pre August 2011 > School of Chemistry
|Date Deposited:||31 Jul 2008|
|Last Modified:||27 Mar 2014 18:37|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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