Extended Data Fig. 4: The dependence of domain width on the writing direction.
From: Femtosecond laser writing of lithium niobate ferroelectric nanodomains
a, Schematic diagram of laser writing along an angle of θ relative to the -z direction. a and b define the effective thermoelectric field. The achieved domain linewidth satisfies \({d}^{{\prime} }=\sqrt{{a}^{2}{{\rm{c}}{\rm{o}}{\rm{s}}}^{2}\theta +{b}^{2}{{\rm{s}}{\rm{i}}{\rm{n}}}^{2}\theta }\). b, The calculated and measured domain widths at different θ.
