Large electric-field-induced strain in centrosymmetric crystals of a dipolar ruthenium alkynyl complex
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Lau, K; Barlow, A; Moxey, G. J; Li, Q; Liu, Y; Humphrey, Mark; Cifuentes, M. P; Frankcombe, T. J; Stranger, R
Description
Dipolar molecular crystals present different physical properties from traditionally strongly correlated ionic solid-state inorganic crystals due to the weak intermolecular bonding. Herein, centrosymmetric dipolar molecular crystals of the organoruthenium complex trans-[Ru(CRCC6H4-4-NO2)(CRCPh)(dppe)2] [dppe = 1,2-bis(diphenylphosphino)ethane] display a large electric-field-induced strain behaving differently from conventional piezoelectric materials that must, structurally, be...[Show more]
dc.contributor.author | Lau, K | |
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dc.contributor.author | Barlow, A | |
dc.contributor.author | Moxey, G. J | |
dc.contributor.author | Li, Q | |
dc.contributor.author | Liu, Y | |
dc.contributor.author | Humphrey, Mark | |
dc.contributor.author | Cifuentes, M. P | |
dc.contributor.author | Frankcombe, T. J | |
dc.contributor.author | Stranger, R | |
dc.date.accessioned | 2015-09-09T03:04:58Z | |
dc.date.available | 2015-09-09T03:04:58Z | |
dc.identifier.issn | 1463-9076 | |
dc.identifier.uri | http://hdl.handle.net/1885/15276 | |
dc.description.abstract | Dipolar molecular crystals present different physical properties from traditionally strongly correlated ionic solid-state inorganic crystals due to the weak intermolecular bonding. Herein, centrosymmetric dipolar molecular crystals of the organoruthenium complex trans-[Ru(CRCC6H4-4-NO2)(CRCPh)(dppe)2] [dppe = 1,2-bis(diphenylphosphino)ethane] display a large electric-field-induced strain behaving differently from conventional piezoelectric materials that must, structurally, be noncentrosymmetric. Further studies of related systematically varied crystalline organoruthenium complexes reveal that the strong electromechanical coupling effect is not from classical ferroelectricity, electrostriction, flexoelectricity or electrochemical strain. It is, instead, attributed to the disorder in the molecular packing, which facilitates reorientation of the molecular dipoles under the action of an applied electric field. This provides a fresh insight into the design and development of new functional materials and a promising source of electromechanical coupling in organometallic, and more generally dipolar molecular, crystals. | |
dc.description.sponsorship | All authors acknowledge financial support from the Australian Research Council (ARC). ARC Future Fellowships (YL and TF), an ARC Australian Professorial Fellowship (MGH), and an ARC Australian Research Fellowship (MPC) are gratefully acknowledged. | |
dc.format | 5 pages | |
dc.publisher | Royal Society of Chemistry | |
dc.rights | © Royal Society of Chemistry 2015 | |
dc.source | Physical Chemistry Chemical Physics | |
dc.subject | dipolar molecular crystals | |
dc.subject | ionic solid-state inorganic crystals | |
dc.subject | intermolecular bonding | |
dc.subject | [Ru(CRCC6H4-4-NO2)(CRCPh)(dppe)2] | |
dc.subject | [dppe = 1,2-bis(diphenylphosphino)ethane] | |
dc.subject | electric-field-induced strain | |
dc.subject | organoruthenium complex | |
dc.subject | centrosymmetric dipolar molecular | |
dc.subject | noncentrosymmetric | |
dc.subject | electromechanical coupling | |
dc.subject | molecular packing | |
dc.subject | ferroelectricity | |
dc.subject | electrostriction | |
dc.subject | flexoelectricity | |
dc.subject | electrochemical | |
dc.subject | electric field | |
dc.subject | organometallic | |
dc.title | Large electric-field-induced strain in centrosymmetric crystals of a dipolar ruthenium alkynyl complex | |
dc.type | Journal article | |
local.identifier.citationvolume | 17 | |
dcterms.dateAccepted | 2015-03-18 | |
dc.date.issued | 2015 | |
local.identifier.ariespublication | u4005981xPUB921 | |
local.publisher.url | http://www.rsc.org/ | |
local.type.status | Submitted Version | |
local.contributor.affiliation | Lau, K., CPMS Research School of Chemistry, The Australian National University | |
local.contributor.affiliation | Barlow, A., CPMS Research School of Chemistry, The Australian National University | |
local.contributor.affiliation | Moxey, G. J., CPMS Research School of Chemistry, The Australian National University | |
local.contributor.affiliation | Li, Q., CPMS Research School of Chemistry, The Australian National University | |
local.contributor.affiliation | Liu, Y., CPMS Research School of Chemistry, The Australian National University | |
local.contributor.affiliation | Humphrey, M. G., CPMS Research School of Chemistry, The Australian National University | |
local.contributor.affiliation | Cifuentes, M. P., CPMS Research School of Chemistry, The Australian National University | |
local.contributor.affiliation | Frankcombe, T. J., CPMS Research School of Chemistry, The Australian National University | |
local.contributor.affiliation | Stranger, R., CPMS Research School of Chemistry, The Australian National University | |
local.identifier.essn | 1463-9084 | |
local.bibliographicCitation.issue | 16 | |
local.bibliographicCitation.startpage | 10781 | |
local.bibliographicCitation.lastpage | 10785 | |
local.identifier.doi | 10.1039/C5CP00528K | |
dcterms.accessRights | Open Access | |
dc.provenance | https://v2.sherpa.ac.uk/id/publication/18031..."The Submitted Version can be archived in Institutional Repository" from SHERPA/RoMEO site (as at 24/11/2020). | |
Collections | ANU Research Publications |
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