In situ visualization of the superior nanomechanical flexibility of individual hydroxyapatite nanobelts

Mei-li Qi; Zhennan Huang; Wentao Yao; Fei Long; Meng Cheng; Boao Song; David Banner; Reza Shahbazian-Yassar; Yu-peng Lu; Tolou Shokuhfar

doi:10.1039/C7CE01852E

In situ visualization of the superior nanomechanical flexibility of individual hydroxyapatite nanobelts†

Mei-li Qi,

^abc Zhennan Huang,^c Wentao Yao,

^d Fei Long,

^d Meng Cheng,^c Boao Song,

^c David Banner,

^e Reza Shahbazian-Yassar,

*^c Yu-peng Lu*^ab and Tolou Shokuhfar

*^e

Author affiliations

* Corresponding authors

^a Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials, Ministry of Education, Shandong University, Ji'nan, China
E-mail: biosdu@sdu.edu.cn

^b School of Materials Science and Engineering, Shandong University, Ji'nan, China

^c Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, USA
E-mail: rsyassar@uic.edu

^d Department of Mechanical Engineering-Engineering Mechanics, Michigan Technological University, Houghton, Michigan 49931, USA

^e Department of Bioengineering, University of Illinois at Chicago, Chicago, Illinois 60607, USA
E-mail: tolou@uic.edu

Abstract

Highly flexible multi-layered hydroxyapatite (HA) nanobelts were successfully grown and compared to nanorods. The nanomechanical behaviour of individual HA nanostructures was visualized using in situ TEM. Compression-induced deformation in HA nanobelts can spontaneously recover at a maximal strain of 99.2%, much larger than the 2.63% failure strain observed for traditional HA nanorods.

CrystEngComm

In situ visualization of the superior nanomechanical flexibility of individual hydroxyapatite nanobelts†

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In situ visualization of the superior nanomechanical flexibility of individual hydroxyapatite nanobelts

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