Piezoelectric Tensor of Collagen Fibrils Determined at the Nanoscale

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Title: Piezoelectric Tensor of Collagen Fibrils Determined at the Nanoscale
Authors: Denning, Denise
Kilpatrick, J. I.
Fukada, Eiichi
Zhang, Nan
Gilchrist, M. D.
Rodriguez, Brian J.
et al.
Permanent link: http://hdl.handle.net/10197/9312
Date: 3-May-2017
Abstract: Piezoelectric properties of rat tail tendons, sectioned at angles of 0, 59, and 90° relative to the plane orthogonal to the major axis, were measured using piezoresponse force microscopy. The piezoelectric tensor at the length scale of an individual fibril was determined from angle-dependent in-plane and out-of-plane piezoelectric measurements. The longitudinal piezoelectric coefficient for individual fibrils at the nanoscale was found to be roughly an order of magnitude greater than that reported for macroscopic measurements of tendon, the low response of which stems from the presence of oppositely oriented fibrils, as confirmed here.
Funding Details: European Commission Horizon 2020
Science Foundation Ireland
Type of material: Journal Article
Publisher: ACS
Copyright (published version): 2017 ACS
Keywords: Atomic force microscopy;Electromechanical coupling;Piezoresponse force microscopy;Polar orientation;Connective tissue;Tendon
DOI: 10.1021/acsbiomaterials.7b00183
Language: en
Status of Item: Peer reviewed
Appears in Collections:Mechanical & Materials Engineering Research Collection
Conway Institute Research Collection
Physics Research Collection

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