Conceivable Engineered Domain Configurations of Monoclinic C m-Phases in Relaxor PZN-PT Crystals

We have derived possible domain configurations and macroscopic symmetries that can be induced in the monoclinic Cm phase of PZN-PT crystals by external fields. It appears that electric field can, theoretically, produce 5 different types of coherent configurations (consisting of equivalent domain sta...

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Bibliographic Details
Published in:Ferroelectrics 2005-07, Vol.319 (1), p.155-162
Main Authors: Fuksa, Jiří, Janovec, Václav
Format: Article
Language:English
Subjects:
61.50-f
77.84.Dy
average material properties of multidomain crystals
coherent domain configurations
Domain engineering
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Summary:We have derived possible domain configurations and macroscopic symmetries that can be induced in the monoclinic Cm phase of PZN-PT crystals by external fields. It appears that electric field can, theoretically, produce 5 different types of coherent configurations (consisting of equivalent domain states of the same free energy in external field(s)) with non-zero average polarization which can be, in principle, switched by electric field. In combination with mechanical stress other 4 types of multidomain structures exhibiting similar properties can be induced. Examples of conceivable polar incoherent engineered structures (containing domain states of different free energy) are also given.
ISSN:0015-0193
1563-5112
DOI:10.1080/00150190590965802