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Title: Properties of a new room temperature multiferroic - PZTFT - with emphasis on the coupling between the order parameters
Author: Evans, Donald M.
ISNI:       0000 0004 5369 6718
Awarding Body: Queen's University Belfast
Current Institution: Queen's University Belfast
Date of Award: 2014
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This work focuses on characterising the recently discovered room temperature multiferroic PZTFT, which has demonstrated some unusual properties. This investigation is done on both large scales (mm) the bulk ceramic - and small length scales (nm)within each grain that makes up the ceramic. The aim is to gain a detailed understanding of what properties the material has, Chapter 3: how the are connected, Chapter 4; how the respond to different stimuli - like electric and magnetic fields, Chapter 5. These properties are rationalised in terms of the Landau free energy expansion, which shown in Chapter 6, indicates the presence of a quadratic coupling term in this material.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available