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Direct observation of domain wall motion and novel dielectric loss in 0.23Pb(In1/2Nb1/2)O3-0.42Pb(Mg 1/3Nb2/3)O3-0.35PbTiO3 crystals

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

Abstract

Domain wall motion was directly observed at temperatures near to the monoclinic-to-tetragonal phase transition temperature (TM-T) in [001]-oriented 0.23Pb(In1/2Nb1/2)O3-0. 42Pb(Mg1/3Nb2/3)O3-0.35PbTiO3 (0.23PIN-0.42PMN-0.35PT) single crystals using a polarizing light microscope, and evident 90°and 180°domain switches were observed near the Curie temperature (TC). Two dielectric loss anomalies were observed at temperatures near TM-T in the [001]-oriented PIN-PMN-PT single crystals, while an additional dielectric loss peak was found at temperatures a few degrees below TC, which was associated with domain wall motion. Based on the domain structure observations, a domain switching mechanism was proposed to explain the novel dielectric loss peak at several degrees below TC. © 2013 The Royal Society of Chemistry.
Original languageEnglish
Pages (from-to)6292-6296
JournalCrystEngComm
Volume15
Issue number32
DOIs
Publication statusPublished - 2013
Externally publishedYes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

This work was supported by the National Natural Science Foundation of China No. 50872106 and No. 50632030, the National Basic Research Program of China (973 Program) No. 2009CB623306, the International Science & Technology Cooperation Program of China No. 2010DFR50480 and the National Nature Science Foundation of China-NSAF No. 10976022.

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