Ferroelectric domain inversion: The role of humidity

Dahan, D.; Molotskii, M.; Rosenman, G.; Rosenwaks, Y.
October 2006
Applied Physics Letters;10/9/2006, Vol. 89 Issue 15, p152902
Academic Journal
The authors report on the effect of ambient humidity on domain inversion in ferroelectrics using atomic force microscopy. It is shown that the size of single domains inverted under low humidity in stoichiometric lithium tantalate single crystals is much smaller relative to ambient conditions. These differences are due to the much smaller tip-sample capacitance under low humidity. This phenomenon paves the way for the use of atomic force microscopy to tailor various nanodomain configurations for nonlinear optical applications.


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