University of Limerick Institutional Repository

Domain diversity and polarization switching in amino acid B-glycine

DSpace Repository

Show simple item record Vasileva, Daria Vasilev, Semen Kholkin, Andrei L Shur, Vladimir Ya. 2019-05-30T10:25:52Z 2019-05-30T10:25:52Z 2019
dc.description peer-reviewed en_US
dc.description.abstract Piezoelectric materials based on lead zirconate titanate are widely used in sensors and actuators. However, their application is limited because of high processing temperature, brittleness, lack of conformal deposition and, more importantly, intrinsic incompatibility with biological environments. Recent studies on bioorganic piezoelectrics have demonstrated their potential in these applications, essentially due to using the same building blocks as those used by nature. In this work, we used piezoresponse force microscopy (PFM) to study the domain structures and polarization reversal in the smallest amino acid glycine, which recently attracted a lot of attention due to its strong shear piezoelectric activity. In this uniaxial ferroelectric, a diverse domain structure that includes both 180 and charged domain walls was observed, as well as domain wall kinks related to peculiar growth and crystallographic structure of this material. Local polarization switching was studied by applying a bias voltage to the PFM tip, and the possibility to control the resulting domain structure was demonstrated. This study has shown that the as-grown domain structure and changes in the electric field in glycine are qualitatively similar to those found in the uniaxial inorganic ferroelectrics en_US
dc.language.iso eng en_US
dc.publisher MDPI en_US
dc.relation 18-32-00390 en_US
dc.relation.ispartofseries Materials;12, pp. 1223-1235
dc.subject organic ferroelectrics en_US
dc.subject amino acids en_US
dc.subject domain structure en_US
dc.subject nonpolar cut en_US
dc.subject local polarization reversal en_US
dc.subject PFM en_US
dc.subject glycine en_US
dc.title Domain diversity and polarization switching in amino acid B-glycine en_US
dc.type info:eu-repo/semantics/article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.identifier.doi 10.3390/ma12081223
dc.contributor.sponsor RFBR en_US
dc.contributor.sponsor CICECO-Aveiro Institute of Materials FCT/MCTES en_US
dc.rights.accessrights info:eu-repo/semantics/openAccess en_US

Files in this item

This item appears in the following Collection(s)

Show simple item record

Search ULIR


My Account