Jump to main content
Jump to site search

Issue 6, 2017
Previous Article Next Article

Ultrafast light-induced symmetry changes in single BaTiO3 nanowires

Author affiliations

Abstract

The coupling of light to nanoscale ferroelectric materials enables novel means of controlling their coupled degrees of freedom and engineering new functionality. Here we present femtosecond time-resolution nonlinear-optical measurements of light-induced dynamics within single ferroelectric barium titanate nanowires. By analyzing the time-dependent and polarization-dependent second harmonic intensity generated by the nanowire, we identify its crystallographic orientation and then make use of this information in order to probe its dynamic structural response and change in symmetry. We show that photo-excitation leads to ultrafast, non-uniform modulations in the second order nonlinear susceptibility tensor, indicative of changes in the local symmetry of the nanostructure occurring on sub-picosecond time-scales.

Graphical abstract: Ultrafast light-induced symmetry changes in single BaTiO3 nanowires

Back to tab navigation

Supplementary files

Article information


Submitted
14 Oct 2016
Accepted
22 Jan 2017
First published
23 Jan 2017

J. Mater. Chem. C, 2017,5, 1522-1528
Article type
Paper

Ultrafast light-induced symmetry changes in single BaTiO3 nanowires

Y. Kuo, S. Nah, K. He, T. Hu and A. M. Lindenberg, J. Mater. Chem. C, 2017, 5, 1522
DOI: 10.1039/C6TC04448D

Social activity

Search articles by author

Spotlight

Advertisements