Chemical control of function beyond the unit cell for new electroceramic materials
Lead Research Organisation:
University of Leeds
Department Name: Chemical and Process Engineering
Abstract
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Organisations
People |
ORCID iD |
| Andrew Bell (Principal Investigator) |
Publications
Bell A
(2020)
Domain wall contributions to piezoelectricity in relaxor-lead titanate single crystals
in Acta Materialia
Deng C
(2021)
Reporting Excellent Transverse Piezoelectric and Electro-Optic Effects in Transparent Rhombohedral PMN-PT Single Crystal by Engineered Domains.
in Advanced materials (Deerfield Beach, Fla.)
Li Y
(2021)
The influence of oxygen vacancies on piezoelectricity in samarium-doped Pb(Mg 1/3 Nb 2/3 )O 3 -PbTiO 3 ceramics
in Journal of the American Ceramic Society
Moore K
(2020)
Highly charged 180 degree head-to-head domain walls in lead titanate
in Communications Physics
O'Reilly T
(2022)
Exploring domain continuity across BaTiO3 grain boundaries: Theory meets experiment
in Acta Materialia
Riemer L
(2020)
Macroscopic polarization in the nominally ergodic relaxor state of lead magnesium niobate
in Applied Physics Letters
Shepley P
(2019)
Effects of poling and crystallinity on the dielectric properties of Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 at cryogenic temperatures
in Scientific Reports
Surta T
(2021)
One Site, Two Cations, Three Environments: s 2 and s 0 Electronic Configurations Generate Pb-Free Relaxor Behavior in a Perovskite Oxide
in Journal of the American Chemical Society
| Description | Piezoelectric coefficient in PMN-PT is dependent upon domain wall density and is augmented by domain wall broadening rather than domain wall translation. An alternative lead free piezoelectric material system was identified known as KBMN-KBT; optimisation is still on-going. |
| Exploitation Route | The findings will help develop new materials. |
| Sectors | Electronics,Energy |
| Description | Contribution Review of RoHS Exemptions Pack 22 |
| Geographic Reach | Europe |
| Policy Influence Type | Contribution to a national consultation/review |