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Synthesis of the Ferroelectric Solid Solution, Pb(Zr1−xTix)O3 on a Single Substrate Using a Modified Molecular Beam Epitaxy Technique

Published online by Cambridge University Press:  01 February 2011

Piers Anderson ,
Samuel Guerin ,
Brian E. Hayden ,
Mikael A. Khan ,
Andrew J. Bell ,
Yisong Han ,
Ashu Pasha ,
Karl R Whittle  and
Ian M. Reaney
Piers Anderson
Affiliation:
[email protected], Ilika Technologies Ltd, Kenneth Dibben House, Enterprise Road, University of Southampton Science Park, Chilworth, Southampton, SO16 7NS, United Kingdom
Samuel Guerin
Affiliation:
[email protected], Ilika Technologies Ltd, Kenneth Dibben House, Enterprise Road, University of Southampton Science Park, Chilworth, Southampton, SO16 7NS, United Kingdom
Brian E. Hayden
Affiliation:
[email protected], Ilika Technologies Ltd, Kenneth Dibben House, Enterprise Road, University of Southampton Science Park, Chilworth, Southampton, SO16 7NS, United Kingdom
Mikael A. Khan
Affiliation:
[email protected], University of Leeds, School of Process, Environmental and Materials Engineering, Institute of Materials Research, Houldsworth Building, Leeds, LS2 9JT, United Kingdom
Andrew J. Bell
Affiliation:
[email protected], University of Leeds, School of Process, Environmental and Materials Engineering, Institute of Materials Research, Houldsworth Building, Leeds, LS2 9JT, United Kingdom
Yisong Han
Affiliation:
[email protected], University of Sheffield, Dept. of Engineering Materials, Sir Robert Hadfield Building, Mappin Street, Sheffield, S1 3JD, United Kingdom
Ashu Pasha
Affiliation:
[email protected], University of Sheffield, Dept. of Engineering Materials, Sir Robert Hadfield Building, Mappin Street, Sheffield, S1 3JD, United Kingdom
Karl R Whittle
Affiliation:
[email protected], University of Sheffield, Dept. of Engineering Materials, Sir Robert Hadfield Building, Mappin Street, Sheffield, S1 3JD, United Kingdom
Ian M. Reaney
Affiliation:
[email protected], University of Sheffield, Dept. of Engineering Materials, Sir Robert Hadfield Building, Mappin Street, Sheffield, S1 3JD, United Kingdom
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Abstract

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

molecular beam epitaxy (MBE)physical vapor deposition (PVD)ferroelectricity
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1034 , 2007 , 1034-K10-26
Copyright
Copyright © Materials Research Society 2008

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References

[1] Anderson, P. S., Guerin, S., Hayden, B. E., Khan, M. A., Bell, A. J., Han, Y., Pasha, M., Whittle, K. R. & Reaney, I. M., Applied Physics Letters, 90, 202907 (2007)Google Scholar
[2] Guerin, S. & Hayden, B. E., Journal of Combinatorial Chemistry, 8, 66 (2006)Google Scholar