Evidence for possible flexoelectricity in tobacco mosaic viruses used as nanotemplates

Sergei V. Kalinin; Stephen Jesse; Weili Liu; Alexander A. Balandin

doi:10.1063/1.2194008

Evidence for possible flexoelectricity in tobacco mosaic viruses used as nanotemplates

Sergei V. Kalinin, Stephen Jesse, Weili Liu, Alexander A. Balandin

Center for Nanophase Matls Sciences

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

Electromechanical coupling in individual tobacco mosaic viruses has been studied using piezoresponse force microscopy. Possible origins of the observed high resolution contrast, including the topographic crosstalk, difference in the elastic properties, and the intrinsic electromechanical coupling due to the piezoelectric and flexoelectric effects are discussed. Using simple estimates, we argue that, due in part to the small size and high symmetry of this particular material system, flexoelectric coupling can dominate the observed electromechanical behavior. The electrical manipulation of the virus particles, essential for nanoelectronic applications for which they are proposed, has also been demonstrated.

Original language	English
Article number	153902
Journal	Applied Physics Letters
Volume	88
Issue number	15
DOIs	https://doi.org/10.1063/1.2194008
State	Published - Apr 10 2006

Funding

The research in ORNL has been supported by ORNL SEED SVK. The UCR researchers acknowledge the financial and program support of DARPA-SRC MARCO and its Focus Center on Functional Engineered Nano Architectonics (FENA).

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abstract = "Electromechanical coupling in individual tobacco mosaic viruses has been studied using piezoresponse force microscopy. Possible origins of the observed high resolution contrast, including the topographic crosstalk, difference in the elastic properties, and the intrinsic electromechanical coupling due to the piezoelectric and flexoelectric effects are discussed. Using simple estimates, we argue that, due in part to the small size and high symmetry of this particular material system, flexoelectric coupling can dominate the observed electromechanical behavior. The electrical manipulation of the virus particles, essential for nanoelectronic applications for which they are proposed, has also been demonstrated.",

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AB - Electromechanical coupling in individual tobacco mosaic viruses has been studied using piezoresponse force microscopy. Possible origins of the observed high resolution contrast, including the topographic crosstalk, difference in the elastic properties, and the intrinsic electromechanical coupling due to the piezoelectric and flexoelectric effects are discussed. Using simple estimates, we argue that, due in part to the small size and high symmetry of this particular material system, flexoelectric coupling can dominate the observed electromechanical behavior. The electrical manipulation of the virus particles, essential for nanoelectronic applications for which they are proposed, has also been demonstrated.

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Evidence for possible flexoelectricity in tobacco mosaic viruses used as nanotemplates

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