What is it about?
The photovoltaic current characteristics for Fe-doped LiNbO3 film is investigated under visible light illumination. The photocurrent are demonstrated to be dramatically enhanced along the Ps direction, which is over 500 times as large as that of the bulk Fe-LN single crystals. Based on the Density functional theory (DFT) calculations, we attributed this enhancement to the tensile lattice strain of eptaxial film.
Featured Image
Why is it important?
Although it is well known that the bulk photovoltaic effect in LiNbO3 under visible light illumination is markedly improved by the Fe-doping, we firstly report dramatic enhancement in photovoltaic current for strained Fe-doped LiNbO3 epitaxial films.
Perspectives
In this paper, the control of the lattice strain along the Ps (spontaneous polarization) direction is demonstrated to be effective in enhanceing the bulk photovoltaic effect, which can be applied to wide variety of ferroelectric film.
Dr Ryotaro Inoue
Nihon University
Read the Original
This page is a summary of: Enhanced photovoltaic currents in strained Fe-doped LiNbO3films, physica status solidi (a), September 2015, Wiley,
DOI: 10.1002/pssa.201532398.
You can read the full text:
Contributors
The following have contributed to this page
