?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F37207%2F&rft.title=Mechanical+deformation+of+aperiodic+organic+systems+in+response+to+electrostatic+fields%3A+molecular+piezoelectricity&rft.creator=Werling%2C+Keith&rft.description=Piezoelectricity+as+a+bulk+phenomenon+in+crystals+is+well+understood+from+scientific%2C+mathematical+and+engineering+perspectives+and+has+found+wide+use+in+many+devices+that+convert+electrical+to+mechanical+energy+or+vice+versa.+Many+strong+piezoelectric+compounds+are+inorganic%2C+stiff+ceramics+that+possess+large+piezoelectric+coefficients+but+may+have+non-ideal+properties+for+some+applications+e.g.+related+to+cost%2C+toxicity%2C+biocompatibility%2C+and+incidence%0D%0Aof+fracture+over+time.+Currently+work+is+being+done+to+create+flexible+and+soft+piezoelectric+materials+from+organic+compounds+to+make+new%2C+smart+materials+that+could+be+used+in+medical%2C+industrial%2C+robotic+and+other+technological+applications.+To+this+end+the+ability+to%0D%0Ascreen+for+good+organic+piezoelectrics+is+necessary+and+requires+a+fundamental+understanding+of+piezoelectricity+at+the+molecular+and+nanoscale+level.+At+the+heart+of+macroscopic+piezoelectric+properties+are+inter-+and+intramolecular+interactions+and+the+different+deformation%0D%0Aresponse+properties+of+these+interactions+in+an+applied+electric+field.+This+thesis+investigates+the+linear+response+properties+of+molecules+and+small+(aperiodic)+systems+the+building+blocks+for+macroscopic+and+nano-scale+piezoelectric+materials+and+develops+methods+and+formalisms%0D%0Awith+roots+in+strain+theory+to+help+better+understand+which+types+of+inter-+and+intramolecular+interactions+are+best+suited+to+yield+piezoelectric+systems+with+specifically+tailored+responses+to+applied+electric+fields.+At+the+same+time%2C+the+methods+and+formalism+presented+here+have%0D%0Apotential+applications+in+the+control+of+nanomachines+via+electric+fields.&rft.date=2019-09-25&rft.type=University+of+Pittsburgh+ETD&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fd-scholarship-dev.library.pitt.edu%2F37207%2F7%2FKeith%2520Werling%2520Final%2520ETD.pdf&rft.identifier=++Werling%2C+Keith++(2019)+Mechanical+deformation+of+aperiodic+organic+systems+in+response+to+electrostatic+fields%3A+molecular+piezoelectricity.++Doctoral+Dissertation%2C+University+of+Pittsburgh.++++(Unpublished)++